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-rw-r--r--fs/nfs/dir.c28
-rw-r--r--fs/nfs/direct.c12
-rw-r--r--fs/nfs/file.c124
-rw-r--r--fs/nfs/filelayout/filelayout.c2
-rw-r--r--fs/nfs/internal.h38
-rw-r--r--fs/nfs/nfs42proc.c3
-rw-r--r--fs/nfs/nfs4proc.c4
-rw-r--r--fs/nfs/nfs4trace.h42
-rw-r--r--fs/nfs/nfstrace.h58
-rw-r--r--fs/nfs/pagelist.c217
-rw-r--r--fs/nfs/pnfs.c2
-rw-r--r--fs/nfs/pnfs.h10
-rw-r--r--fs/nfs/pnfs_nfs.c18
-rw-r--r--fs/nfs/read.c94
-rw-r--r--fs/nfs/write.c380
15 files changed, 612 insertions, 420 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f8e420464b77..a41c3ee4549c 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -203,14 +203,14 @@ static void nfs_readdir_page_init_array(struct page *page, u64 last_cookie,
{
struct nfs_cache_array *array;
- array = kmap_atomic(page);
+ array = kmap_local_page(page);
array->change_attr = change_attr;
array->last_cookie = last_cookie;
array->size = 0;
array->page_full = 0;
array->page_is_eof = 0;
array->cookies_are_ordered = 1;
- kunmap_atomic(array);
+ kunmap_local(array);
}
/*
@@ -221,11 +221,11 @@ static void nfs_readdir_clear_array(struct page *page)
struct nfs_cache_array *array;
unsigned int i;
- array = kmap_atomic(page);
+ array = kmap_local_page(page);
for (i = 0; i < array->size; i++)
kfree(array->array[i].name);
array->size = 0;
- kunmap_atomic(array);
+ kunmap_local(array);
}
static void nfs_readdir_free_folio(struct folio *folio)
@@ -371,14 +371,14 @@ static pgoff_t nfs_readdir_page_cookie_hash(u64 cookie)
static bool nfs_readdir_page_validate(struct page *page, u64 last_cookie,
u64 change_attr)
{
- struct nfs_cache_array *array = kmap_atomic(page);
+ struct nfs_cache_array *array = kmap_local_page(page);
int ret = true;
if (array->change_attr != change_attr)
ret = false;
if (nfs_readdir_array_index_cookie(array) != last_cookie)
ret = false;
- kunmap_atomic(array);
+ kunmap_local(array);
return ret;
}
@@ -418,9 +418,9 @@ static u64 nfs_readdir_page_last_cookie(struct page *page)
struct nfs_cache_array *array;
u64 ret;
- array = kmap_atomic(page);
+ array = kmap_local_page(page);
ret = array->last_cookie;
- kunmap_atomic(array);
+ kunmap_local(array);
return ret;
}
@@ -429,9 +429,9 @@ static bool nfs_readdir_page_needs_filling(struct page *page)
struct nfs_cache_array *array;
bool ret;
- array = kmap_atomic(page);
+ array = kmap_local_page(page);
ret = !nfs_readdir_array_is_full(array);
- kunmap_atomic(array);
+ kunmap_local(array);
return ret;
}
@@ -439,9 +439,9 @@ static void nfs_readdir_page_set_eof(struct page *page)
{
struct nfs_cache_array *array;
- array = kmap_atomic(page);
+ array = kmap_local_page(page);
nfs_readdir_array_set_eof(array);
- kunmap_atomic(array);
+ kunmap_local(array);
}
static struct page *nfs_readdir_page_get_next(struct address_space *mapping,
@@ -568,14 +568,14 @@ static int nfs_readdir_search_array(struct nfs_readdir_descriptor *desc)
struct nfs_cache_array *array;
int status;
- array = kmap_atomic(desc->page);
+ array = kmap_local_page(desc->page);
if (desc->dir_cookie == 0)
status = nfs_readdir_search_for_pos(array, desc);
else
status = nfs_readdir_search_for_cookie(array, desc);
- kunmap_atomic(array);
+ kunmap_local(array);
return status;
}
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 1707f46b1335..9a18c5a69ace 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -343,14 +343,12 @@ static ssize_t nfs_direct_read_schedule_iovec(struct nfs_direct_req *dreq,
struct nfs_page *req;
unsigned int req_len = min_t(size_t, bytes, PAGE_SIZE - pgbase);
/* XXX do we need to do the eof zeroing found in async_filler? */
- req = nfs_create_request(dreq->ctx, pagevec[i],
- pgbase, req_len);
+ req = nfs_page_create_from_page(dreq->ctx, pagevec[i],
+ pgbase, pos, req_len);
if (IS_ERR(req)) {
result = PTR_ERR(req);
break;
}
- req->wb_index = pos >> PAGE_SHIFT;
- req->wb_offset = pos & ~PAGE_MASK;
if (!nfs_pageio_add_request(&desc, req)) {
result = desc.pg_error;
nfs_release_request(req);
@@ -802,8 +800,8 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq,
struct nfs_page *req;
unsigned int req_len = min_t(size_t, bytes, PAGE_SIZE - pgbase);
- req = nfs_create_request(dreq->ctx, pagevec[i],
- pgbase, req_len);
+ req = nfs_page_create_from_page(dreq->ctx, pagevec[i],
+ pgbase, pos, req_len);
if (IS_ERR(req)) {
result = PTR_ERR(req);
break;
@@ -816,8 +814,6 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq,
}
nfs_lock_request(req);
- req->wb_index = pos >> PAGE_SHIFT;
- req->wb_offset = pos & ~PAGE_MASK;
if (!nfs_pageio_add_request(&desc, req)) {
result = desc.pg_error;
nfs_unlock_and_release_request(req);
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index b0f3c9339e70..893625eacab9 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -277,27 +277,28 @@ EXPORT_SYMBOL_GPL(nfs_file_fsync);
* and that the new data won't completely replace the old data in
* that range of the file.
*/
-static bool nfs_full_page_write(struct page *page, loff_t pos, unsigned int len)
+static bool nfs_folio_is_full_write(struct folio *folio, loff_t pos,
+ unsigned int len)
{
- unsigned int pglen = nfs_page_length(page);
- unsigned int offset = pos & (PAGE_SIZE - 1);
+ unsigned int pglen = nfs_folio_length(folio);
+ unsigned int offset = offset_in_folio(folio, pos);
unsigned int end = offset + len;
return !pglen || (end >= pglen && !offset);
}
-static bool nfs_want_read_modify_write(struct file *file, struct page *page,
- loff_t pos, unsigned int len)
+static bool nfs_want_read_modify_write(struct file *file, struct folio *folio,
+ loff_t pos, unsigned int len)
{
/*
* Up-to-date pages, those with ongoing or full-page write
* don't need read/modify/write
*/
- if (PageUptodate(page) || PagePrivate(page) ||
- nfs_full_page_write(page, pos, len))
+ if (folio_test_uptodate(folio) || folio_test_private(folio) ||
+ nfs_folio_is_full_write(folio, pos, len))
return false;
- if (pnfs_ld_read_whole_page(file->f_mapping->host))
+ if (pnfs_ld_read_whole_page(file_inode(file)))
return true;
/* Open for reading too? */
if (file->f_mode & FMODE_READ)
@@ -305,6 +306,15 @@ static bool nfs_want_read_modify_write(struct file *file, struct page *page,
return false;
}
+static struct folio *
+nfs_folio_grab_cache_write_begin(struct address_space *mapping, pgoff_t index)
+{
+ unsigned fgp_flags = FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_STABLE;
+
+ return __filemap_get_folio(mapping, index, fgp_flags,
+ mapping_gfp_mask(mapping));
+}
+
/*
* This does the "real" work of the write. We must allocate and lock the
* page to be sent back to the generic routine, which then copies the
@@ -314,32 +324,31 @@ static bool nfs_want_read_modify_write(struct file *file, struct page *page,
* increment the page use counts until he is done with the page.
*/
static int nfs_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len,
- struct page **pagep, void **fsdata)
+ loff_t pos, unsigned len, struct page **pagep,
+ void **fsdata)
{
- int ret;
- pgoff_t index = pos >> PAGE_SHIFT;
- struct page *page;
+ struct folio *folio;
int once_thru = 0;
+ int ret;
dfprintk(PAGECACHE, "NFS: write_begin(%pD2(%lu), %u@%lld)\n",
file, mapping->host->i_ino, len, (long long) pos);
start:
- page = grab_cache_page_write_begin(mapping, index);
- if (!page)
+ folio = nfs_folio_grab_cache_write_begin(mapping, pos >> PAGE_SHIFT);
+ if (!folio)
return -ENOMEM;
- *pagep = page;
+ *pagep = &folio->page;
- ret = nfs_flush_incompatible(file, page);
+ ret = nfs_flush_incompatible(file, folio);
if (ret) {
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
} else if (!once_thru &&
- nfs_want_read_modify_write(file, page, pos, len)) {
+ nfs_want_read_modify_write(file, folio, pos, len)) {
once_thru = 1;
- ret = nfs_read_folio(file, page_folio(page));
- put_page(page);
+ ret = nfs_read_folio(file, folio);
+ folio_put(folio);
if (!ret)
goto start;
}
@@ -347,11 +356,12 @@ start:
}
static int nfs_write_end(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
- struct page *page, void *fsdata)
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *page, void *fsdata)
{
- unsigned offset = pos & (PAGE_SIZE - 1);
struct nfs_open_context *ctx = nfs_file_open_context(file);
+ struct folio *folio = page_folio(page);
+ unsigned offset = offset_in_folio(folio, pos);
int status;
dfprintk(PAGECACHE, "NFS: write_end(%pD2(%lu), %u@%lld)\n",
@@ -361,26 +371,26 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
* Zero any uninitialised parts of the page, and then mark the page
* as up to date if it turns out that we're extending the file.
*/
- if (!PageUptodate(page)) {
- unsigned pglen = nfs_page_length(page);
+ if (!folio_test_uptodate(folio)) {
+ size_t fsize = folio_size(folio);
+ unsigned pglen = nfs_folio_length(folio);
unsigned end = offset + copied;
if (pglen == 0) {
- zero_user_segments(page, 0, offset,
- end, PAGE_SIZE);
- SetPageUptodate(page);
+ folio_zero_segments(folio, 0, offset, end, fsize);
+ folio_mark_uptodate(folio);
} else if (end >= pglen) {
- zero_user_segment(page, end, PAGE_SIZE);
+ folio_zero_segment(folio, end, fsize);
if (offset == 0)
- SetPageUptodate(page);
+ folio_mark_uptodate(folio);
} else
- zero_user_segment(page, pglen, PAGE_SIZE);
+ folio_zero_segment(folio, pglen, fsize);
}
- status = nfs_updatepage(file, page, offset, copied);
+ status = nfs_update_folio(file, folio, offset, copied);
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
if (status < 0)
return status;
@@ -402,14 +412,16 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
static void nfs_invalidate_folio(struct folio *folio, size_t offset,
size_t length)
{
+ struct inode *inode = folio_file_mapping(folio)->host;
dfprintk(PAGECACHE, "NFS: invalidate_folio(%lu, %zu, %zu)\n",
folio->index, offset, length);
if (offset != 0 || length < folio_size(folio))
return;
/* Cancel any unstarted writes on this page */
- nfs_wb_folio_cancel(folio->mapping->host, folio);
+ nfs_wb_folio_cancel(inode, folio);
folio_wait_fscache(folio);
+ trace_nfs_invalidate_folio(inode, folio);
}
/*
@@ -423,8 +435,13 @@ static bool nfs_release_folio(struct folio *folio, gfp_t gfp)
dfprintk(PAGECACHE, "NFS: release_folio(%p)\n", folio);
/* If the private flag is set, then the folio is not freeable */
- if (folio_test_private(folio))
- return false;
+ if (folio_test_private(folio)) {
+ if ((current_gfp_context(gfp) & GFP_KERNEL) != GFP_KERNEL ||
+ current_is_kswapd())
+ return false;
+ if (nfs_wb_folio(folio_file_mapping(folio)->host, folio) < 0)
+ return false;
+ }
return nfs_fscache_release_folio(folio, gfp);
}
@@ -465,12 +482,15 @@ static void nfs_check_dirty_writeback(struct folio *folio,
static int nfs_launder_folio(struct folio *folio)
{
struct inode *inode = folio->mapping->host;
+ int ret;
dfprintk(PAGECACHE, "NFS: launder_folio(%ld, %llu)\n",
inode->i_ino, folio_pos(folio));
folio_wait_fscache(folio);
- return nfs_wb_page(inode, &folio->page);
+ ret = nfs_wb_folio(inode, folio);
+ trace_nfs_launder_folio_done(inode, folio, ret);
+ return ret;
}
static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file,
@@ -547,22 +567,22 @@ const struct address_space_operations nfs_file_aops = {
*/
static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf)
{
- struct page *page = vmf->page;
struct file *filp = vmf->vma->vm_file;
struct inode *inode = file_inode(filp);
unsigned pagelen;
vm_fault_t ret = VM_FAULT_NOPAGE;
struct address_space *mapping;
+ struct folio *folio = page_folio(vmf->page);
dfprintk(PAGECACHE, "NFS: vm_page_mkwrite(%pD2(%lu), offset %lld)\n",
- filp, filp->f_mapping->host->i_ino,
- (long long)page_offset(page));
+ filp, filp->f_mapping->host->i_ino,
+ (long long)folio_file_pos(folio));
sb_start_pagefault(inode->i_sb);
/* make sure the cache has finished storing the page */
- if (PageFsCache(page) &&
- wait_on_page_fscache_killable(vmf->page) < 0) {
+ if (folio_test_fscache(folio) &&
+ folio_wait_fscache_killable(folio) < 0) {
ret = VM_FAULT_RETRY;
goto out;
}
@@ -571,25 +591,25 @@ static vm_fault_t nfs_vm_page_mkwrite(struct vm_fault *vmf)
nfs_wait_bit_killable,
TASK_KILLABLE|TASK_FREEZABLE_UNSAFE);
- lock_page(page);
- mapping = page_file_mapping(page);
+ folio_lock(folio);
+ mapping = folio_file_mapping(folio);
if (mapping != inode->i_mapping)
goto out_unlock;
- wait_on_page_writeback(page);
+ folio_wait_writeback(folio);
- pagelen = nfs_page_length(page);
+ pagelen = nfs_folio_length(folio);
if (pagelen == 0)
goto out_unlock;
ret = VM_FAULT_LOCKED;
- if (nfs_flush_incompatible(filp, page) == 0 &&
- nfs_updatepage(filp, page, 0, pagelen) == 0)
+ if (nfs_flush_incompatible(filp, folio) == 0 &&
+ nfs_update_folio(filp, folio, 0, pagelen) == 0)
goto out;
ret = VM_FAULT_SIGBUS;
out_unlock:
- unlock_page(page);
+ folio_unlock(folio);
out:
sb_end_pagefault(inode->i_sb);
return ret;
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 4974cd18ca46..ce8f8934bca5 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -862,6 +862,8 @@ fl_pnfs_update_layout(struct inode *ino,
status = filelayout_check_deviceid(lo, fl, gfp_flags);
if (status) {
+ pnfs_error_mark_layout_for_return(ino, lseg);
+ pnfs_set_lo_fail(lseg);
pnfs_put_lseg(lseg);
lseg = NULL;
}
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 41468c21291d..2a65fe2a63ab 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -760,17 +760,18 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize)
* Record the page as unstable (an extra writeback period) and mark its
* inode as dirty.
*/
-static inline
-void nfs_mark_page_unstable(struct page *page, struct nfs_commit_info *cinfo)
+static inline void nfs_folio_mark_unstable(struct folio *folio,
+ struct nfs_commit_info *cinfo)
{
- if (!cinfo->dreq) {
- struct inode *inode = page_file_mapping(page)->host;
+ if (folio && !cinfo->dreq) {
+ struct inode *inode = folio_file_mapping(folio)->host;
+ long nr = folio_nr_pages(folio);
/* This page is really still in write-back - just that the
* writeback is happening on the server now.
*/
- inc_node_page_state(page, NR_WRITEBACK);
- inc_wb_stat(&inode_to_bdi(inode)->wb, WB_WRITEBACK);
+ node_stat_mod_folio(folio, NR_WRITEBACK, nr);
+ wb_stat_mod(&inode_to_bdi(inode)->wb, WB_WRITEBACK, nr);
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
}
}
@@ -795,6 +796,24 @@ unsigned int nfs_page_length(struct page *page)
}
/*
+ * Determine the number of bytes of data the page contains
+ */
+static inline size_t nfs_folio_length(struct folio *folio)
+{
+ loff_t i_size = i_size_read(folio_file_mapping(folio)->host);
+
+ if (i_size > 0) {
+ pgoff_t index = folio_index(folio) >> folio_order(folio);
+ pgoff_t end_index = (i_size - 1) >> folio_shift(folio);
+ if (index < end_index)
+ return folio_size(folio);
+ if (index == end_index)
+ return offset_in_folio(folio, i_size - 1) + 1;
+ }
+ return 0;
+}
+
+/*
* Convert a umode to a dirent->d_type
*/
static inline
@@ -807,11 +826,10 @@ unsigned char nfs_umode_to_dtype(umode_t mode)
* Determine the number of pages in an array of length 'len' and
* with a base offset of 'base'
*/
-static inline
-unsigned int nfs_page_array_len(unsigned int base, size_t len)
+static inline unsigned int nfs_page_array_len(unsigned int base, size_t len)
{
- return ((unsigned long)len + (unsigned long)base +
- PAGE_SIZE - 1) >> PAGE_SHIFT;
+ return ((unsigned long)len + (unsigned long)base + PAGE_SIZE - 1) >>
+ PAGE_SHIFT;
}
/*
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index ecb428512fe1..93e306bf4430 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -460,7 +460,8 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
if (err >= 0)
break;
- if (err == -ENOTSUPP &&
+ if ((err == -ENOTSUPP ||
+ err == -NFS4ERR_OFFLOAD_DENIED) &&
nfs42_files_from_same_server(src, dst)) {
err = -EOPNOTSUPP;
break;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d9c332019d06..22a93ae46cd7 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -10604,7 +10604,9 @@ static void nfs4_disable_swap(struct inode *inode)
/* The state manager thread will now exit once it is
* woken.
*/
- wake_up_var(&NFS_SERVER(inode)->nfs_client->cl_state);
+ struct nfs_client *clp = NFS_SERVER(inode)->nfs_client;
+
+ nfs4_schedule_state_manager(clp);
}
static const struct inode_operations nfs4_dir_inode_operations = {
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index 214bc56f92d2..d27919d7241d 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -292,32 +292,34 @@ TRACE_DEFINE_ENUM(NFS4CLNT_MOVED);
TRACE_DEFINE_ENUM(NFS4CLNT_LEASE_MOVED);
TRACE_DEFINE_ENUM(NFS4CLNT_DELEGATION_EXPIRED);
TRACE_DEFINE_ENUM(NFS4CLNT_RUN_MANAGER);
+TRACE_DEFINE_ENUM(NFS4CLNT_MANAGER_AVAILABLE);
TRACE_DEFINE_ENUM(NFS4CLNT_RECALL_RUNNING);
TRACE_DEFINE_ENUM(NFS4CLNT_RECALL_ANY_LAYOUT_READ);
TRACE_DEFINE_ENUM(NFS4CLNT_RECALL_ANY_LAYOUT_RW);
+TRACE_DEFINE_ENUM(NFS4CLNT_DELEGRETURN_DELAYED);
#define show_nfs4_clp_state(state) \
__print_flags(state, "|", \
- { NFS4CLNT_MANAGER_RUNNING, "MANAGER_RUNNING" }, \
- { NFS4CLNT_CHECK_LEASE, "CHECK_LEASE" }, \
- { NFS4CLNT_LEASE_EXPIRED, "LEASE_EXPIRED" }, \
- { NFS4CLNT_RECLAIM_REBOOT, "RECLAIM_REBOOT" }, \
- { NFS4CLNT_RECLAIM_NOGRACE, "RECLAIM_NOGRACE" }, \
- { NFS4CLNT_DELEGRETURN, "DELEGRETURN" }, \
- { NFS4CLNT_SESSION_RESET, "SESSION_RESET" }, \
- { NFS4CLNT_LEASE_CONFIRM, "LEASE_CONFIRM" }, \
- { NFS4CLNT_SERVER_SCOPE_MISMATCH, \
- "SERVER_SCOPE_MISMATCH" }, \
- { NFS4CLNT_PURGE_STATE, "PURGE_STATE" }, \
- { NFS4CLNT_BIND_CONN_TO_SESSION, \
- "BIND_CONN_TO_SESSION" }, \
- { NFS4CLNT_MOVED, "MOVED" }, \
- { NFS4CLNT_LEASE_MOVED, "LEASE_MOVED" }, \
- { NFS4CLNT_DELEGATION_EXPIRED, "DELEGATION_EXPIRED" }, \
- { NFS4CLNT_RUN_MANAGER, "RUN_MANAGER" }, \
- { NFS4CLNT_RECALL_RUNNING, "RECALL_RUNNING" }, \
- { NFS4CLNT_RECALL_ANY_LAYOUT_READ, "RECALL_ANY_LAYOUT_READ" }, \
- { NFS4CLNT_RECALL_ANY_LAYOUT_RW, "RECALL_ANY_LAYOUT_RW" })
+ { BIT(NFS4CLNT_MANAGER_RUNNING), "MANAGER_RUNNING" }, \
+ { BIT(NFS4CLNT_CHECK_LEASE), "CHECK_LEASE" }, \
+ { BIT(NFS4CLNT_LEASE_EXPIRED), "LEASE_EXPIRED" }, \
+ { BIT(NFS4CLNT_RECLAIM_REBOOT), "RECLAIM_REBOOT" }, \
+ { BIT(NFS4CLNT_RECLAIM_NOGRACE), "RECLAIM_NOGRACE" }, \
+ { BIT(NFS4CLNT_DELEGRETURN), "DELEGRETURN" }, \
+ { BIT(NFS4CLNT_SESSION_RESET), "SESSION_RESET" }, \
+ { BIT(NFS4CLNT_LEASE_CONFIRM), "LEASE_CONFIRM" }, \
+ { BIT(NFS4CLNT_SERVER_SCOPE_MISMATCH), "SERVER_SCOPE_MISMATCH" }, \
+ { BIT(NFS4CLNT_PURGE_STATE), "PURGE_STATE" }, \
+ { BIT(NFS4CLNT_BIND_CONN_TO_SESSION), "BIND_CONN_TO_SESSION" }, \
+ { BIT(NFS4CLNT_MOVED), "MOVED" }, \
+ { BIT(NFS4CLNT_LEASE_MOVED), "LEASE_MOVED" }, \
+ { BIT(NFS4CLNT_DELEGATION_EXPIRED), "DELEGATION_EXPIRED" }, \
+ { BIT(NFS4CLNT_RUN_MANAGER), "RUN_MANAGER" }, \
+ { BIT(NFS4CLNT_MANAGER_AVAILABLE), "MANAGER_AVAILABLE" }, \
+ { BIT(NFS4CLNT_RECALL_RUNNING), "RECALL_RUNNING" }, \
+ { BIT(NFS4CLNT_RECALL_ANY_LAYOUT_READ), "RECALL_ANY_LAYOUT_READ" }, \
+ { BIT(NFS4CLNT_RECALL_ANY_LAYOUT_RW), "RECALL_ANY_LAYOUT_RW" }, \
+ { BIT(NFS4CLNT_DELEGRETURN_DELAYED), "DELERETURN_DELAYED" })
TRACE_EVENT(nfs4_state_mgr,
TP_PROTO(
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 642f6921852f..a778713343df 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -152,8 +152,6 @@ DEFINE_NFS_INODE_EVENT(nfs_getattr_enter);
DEFINE_NFS_INODE_EVENT_DONE(nfs_getattr_exit);
DEFINE_NFS_INODE_EVENT(nfs_setattr_enter);
DEFINE_NFS_INODE_EVENT_DONE(nfs_setattr_exit);
-DEFINE_NFS_INODE_EVENT(nfs_writeback_page_enter);
-DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_page_exit);
DEFINE_NFS_INODE_EVENT(nfs_writeback_inode_enter);
DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit);
DEFINE_NFS_INODE_EVENT(nfs_fsync_enter);
@@ -933,13 +931,13 @@ TRACE_EVENT(nfs_sillyrename_unlink,
)
);
-TRACE_EVENT(nfs_aop_readpage,
+DECLARE_EVENT_CLASS(nfs_folio_event,
TP_PROTO(
const struct inode *inode,
- struct page *page
+ struct folio *folio
),
- TP_ARGS(inode, page),
+ TP_ARGS(inode, folio),
TP_STRUCT__entry(
__field(dev_t, dev)
@@ -947,6 +945,7 @@ TRACE_EVENT(nfs_aop_readpage,
__field(u64, fileid)
__field(u64, version)
__field(loff_t, offset)
+ __field(u32, count)
),
TP_fast_assign(
@@ -956,26 +955,36 @@ TRACE_EVENT(nfs_aop_readpage,
__entry->fileid = nfsi->fileid;
__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
__entry->version = inode_peek_iversion_raw(inode);
- __entry->offset = page_index(page) << PAGE_SHIFT;
+ __entry->offset = folio_file_pos(folio);
+ __entry->count = nfs_folio_length(folio);
),
TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu offset=%lld",
+ "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu "
+ "offset=%lld count=%u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle, __entry->version,
- __entry->offset
+ __entry->offset, __entry->count
)
);
-TRACE_EVENT(nfs_aop_readpage_done,
+#define DEFINE_NFS_FOLIO_EVENT(name) \
+ DEFINE_EVENT(nfs_folio_event, name, \
+ TP_PROTO( \
+ const struct inode *inode, \
+ struct folio *folio \
+ ), \
+ TP_ARGS(inode, folio))
+
+DECLARE_EVENT_CLASS(nfs_folio_event_done,
TP_PROTO(
const struct inode *inode,
- struct page *page,
+ struct folio *folio,
int ret
),
- TP_ARGS(inode, page, ret),
+ TP_ARGS(inode, folio, ret),
TP_STRUCT__entry(
__field(dev_t, dev)
@@ -984,6 +993,7 @@ TRACE_EVENT(nfs_aop_readpage_done,
__field(u64, fileid)
__field(u64, version)
__field(loff_t, offset)
+ __field(u32, count)
),
TP_fast_assign(
@@ -993,19 +1003,39 @@ TRACE_EVENT(nfs_aop_readpage_done,
__entry->fileid = nfsi->fileid;
__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
__entry->version = inode_peek_iversion_raw(inode);
- __entry->offset = page_index(page) << PAGE_SHIFT;
+ __entry->offset = folio_file_pos(folio);
+ __entry->count = nfs_folio_length(folio);
__entry->ret = ret;
),
TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu offset=%lld ret=%d",
+ "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu "
+ "offset=%lld count=%u ret=%d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle, __entry->version,
- __entry->offset, __entry->ret
+ __entry->offset, __entry->count, __entry->ret
)
);
+#define DEFINE_NFS_FOLIO_EVENT_DONE(name) \
+ DEFINE_EVENT(nfs_folio_event_done, name, \
+ TP_PROTO( \
+ const struct inode *inode, \
+ struct folio *folio, \
+ int ret \
+ ), \
+ TP_ARGS(inode, folio, ret))
+
+DEFINE_NFS_FOLIO_EVENT(nfs_aop_readpage);
+DEFINE_NFS_FOLIO_EVENT_DONE(nfs_aop_readpage_done);
+
+DEFINE_NFS_FOLIO_EVENT(nfs_writeback_folio);
+DEFINE_NFS_FOLIO_EVENT_DONE(nfs_writeback_folio_done);
+
+DEFINE_NFS_FOLIO_EVENT(nfs_invalidate_folio);
+DEFINE_NFS_FOLIO_EVENT_DONE(nfs_launder_folio_done);
+
TRACE_EVENT(nfs_aop_readahead,
TP_PROTO(
const struct inode *inode,
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 779bfc37233c..64fa8de199de 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -32,6 +32,42 @@
static struct kmem_cache *nfs_page_cachep;
static const struct rpc_call_ops nfs_pgio_common_ops;
+struct nfs_page_iter_page {
+ const struct nfs_page *req;
+ size_t count;
+};
+
+static void nfs_page_iter_page_init(struct nfs_page_iter_page *i,
+ const struct nfs_page *req)
+{
+ i->req = req;
+ i->count = 0;
+}
+
+static void nfs_page_iter_page_advance(struct nfs_page_iter_page *i, size_t sz)
+{
+ const struct nfs_page *req = i->req;
+ size_t tmp = i->count + sz;
+
+ i->count = (tmp < req->wb_bytes) ? tmp : req->wb_bytes;
+}
+
+static struct page *nfs_page_iter_page_get(struct nfs_page_iter_page *i)
+{
+ const struct nfs_page *req = i->req;
+ struct page *page;
+
+ if (i->count != req->wb_bytes) {
+ size_t base = i->count + req->wb_pgbase;
+ size_t len = PAGE_SIZE - offset_in_page(base);
+
+ page = nfs_page_to_page(req, base);
+ nfs_page_iter_page_advance(i, len);
+ return page;
+ }
+ return NULL;
+}
+
static struct nfs_pgio_mirror *
nfs_pgio_get_mirror(struct nfs_pageio_descriptor *desc, u32 idx)
{
@@ -391,7 +427,7 @@ nfs_page_group_init(struct nfs_page *req, struct nfs_page *prev)
* has extra ref from the write/commit path to handle handoff
* between write and commit lists. */
if (test_bit(PG_INODE_REF, &prev->wb_head->wb_flags)) {
- inode = page_file_mapping(req->wb_page)->host;
+ inode = nfs_page_to_inode(req);
set_bit(PG_INODE_REF, &req->wb_flags);
kref_get(&req->wb_kref);
atomic_long_inc(&NFS_I(inode)->nrequests);
@@ -431,10 +467,9 @@ out:
nfs_release_request(head);
}
-static struct nfs_page *
-__nfs_create_request(struct nfs_lock_context *l_ctx, struct page *page,
- unsigned int pgbase, unsigned int offset,
- unsigned int count)
+static struct nfs_page *nfs_page_create(struct nfs_lock_context *l_ctx,
+ unsigned int pgbase, pgoff_t index,
+ unsigned int offset, unsigned int count)
{
struct nfs_page *req;
struct nfs_open_context *ctx = l_ctx->open_context;
@@ -453,42 +488,90 @@ __nfs_create_request(struct nfs_lock_context *l_ctx, struct page *page,
/* Initialize the request struct. Initially, we assume a
* long write-back delay. This will be adjusted in
* update_nfs_request below if the region is not locked. */
- req->wb_page = page;
- if (page) {
- req->wb_index = page_index(page);
- get_page(page);
- }
- req->wb_offset = offset;
- req->wb_pgbase = pgbase;
- req->wb_bytes = count;
+ req->wb_pgbase = pgbase;
+ req->wb_index = index;
+ req->wb_offset = offset;
+ req->wb_bytes = count;
kref_init(&req->wb_kref);
req->wb_nio = 0;
return req;
}
+static void nfs_page_assign_folio(struct nfs_page *req, struct folio *folio)
+{
+ if (folio != NULL) {
+ req->wb_folio = folio;
+ folio_get(folio);
+ set_bit(PG_FOLIO, &req->wb_flags);
+ }
+}
+
+static void nfs_page_assign_page(struct nfs_page *req, struct page *page)
+{
+ if (page != NULL) {
+ req->wb_page = page;
+ get_page(page);
+ }
+}
+
/**
- * nfs_create_request - Create an NFS read/write request.
+ * nfs_page_create_from_page - Create an NFS read/write request.
* @ctx: open context to use
* @page: page to write
- * @offset: starting offset within the page for the write
+ * @pgbase: starting offset within the page for the write
+ * @offset: file offset for the write
* @count: number of bytes to read/write
*
* The page must be locked by the caller. This makes sure we never
* create two different requests for the same page.
* User should ensure it is safe to sleep in this function.
*/
-struct nfs_page *
-nfs_create_request(struct nfs_open_context *ctx, struct page *page,
- unsigned int offset, unsigned int count)
+struct nfs_page *nfs_page_create_from_page(struct nfs_open_context *ctx,
+ struct page *page,
+ unsigned int pgbase, loff_t offset,
+ unsigned int count)
+{
+ struct nfs_lock_context *l_ctx = nfs_get_lock_context(ctx);
+ struct nfs_page *ret;
+
+ if (IS_ERR(l_ctx))
+ return ERR_CAST(l_ctx);
+ ret = nfs_page_create(l_ctx, pgbase, offset >> PAGE_SHIFT,
+ offset_in_page(offset), count);
+ if (!IS_ERR(ret)) {
+ nfs_page_assign_page(ret, page);
+ nfs_page_group_init(ret, NULL);
+ }
+ nfs_put_lock_context(l_ctx);
+ return ret;
+}
+
+/**
+ * nfs_page_create_from_folio - Create an NFS read/write request.
+ * @ctx: open context to use
+ * @folio: folio to write
+ * @offset: starting offset within the folio for the write
+ * @count: number of bytes to read/write
+ *
+ * The page must be locked by the caller. This makes sure we never
+ * create two different requests for the same page.
+ * User should ensure it is safe to sleep in this function.
+ */
+struct nfs_page *nfs_page_create_from_folio(struct nfs_open_context *ctx,
+ struct folio *folio,
+ unsigned int offset,
+ unsigned int count)
{
struct nfs_lock_context *l_ctx = nfs_get_lock_context(ctx);
struct nfs_page *ret;
if (IS_ERR(l_ctx))
return ERR_CAST(l_ctx);
- ret = __nfs_create_request(l_ctx, page, offset, offset, count);
- if (!IS_ERR(ret))
+ ret = nfs_page_create(l_ctx, offset, folio_index(folio), offset, count);
+ if (!IS_ERR(ret)) {
+ nfs_page_assign_folio(ret, folio);
nfs_page_group_init(ret, NULL);
+ }
nfs_put_lock_context(l_ctx);
return ret;
}
@@ -501,10 +584,16 @@ nfs_create_subreq(struct nfs_page *req,
{
struct nfs_page *last;
struct nfs_page *ret;
+ struct folio *folio = nfs_page_to_folio(req);
+ struct page *page = nfs_page_to_page(req, pgbase);
- ret = __nfs_create_request(req->wb_lock_context, req->wb_page,
- pgbase, offset, count);
+ ret = nfs_page_create(req->wb_lock_context, pgbase, req->wb_index,
+ offset, count);
if (!IS_ERR(ret)) {
+ if (folio)
+ nfs_page_assign_folio(ret, folio);
+ else
+ nfs_page_assign_page(ret, page);
/* find the last request */
for (last = req->wb_head;
last->wb_this_page != req->wb_head;
@@ -512,7 +601,6 @@ nfs_create_subreq(struct nfs_page *req,
;
nfs_lock_request(ret);
- ret->wb_index = req->wb_index;
nfs_page_group_init(ret, last);
ret->wb_nio = req->wb_nio;
}
@@ -551,11 +639,16 @@ void nfs_unlock_and_release_request(struct nfs_page *req)
*/
static void nfs_clear_request(struct nfs_page *req)
{
+ struct folio *folio = nfs_page_to_folio(req);
struct page *page = req->wb_page;
struct nfs_lock_context *l_ctx = req->wb_lock_context;
struct nfs_open_context *ctx;
- if (page != NULL) {
+ if (folio != NULL) {
+ folio_put(folio);
+ req->wb_folio = NULL;
+ clear_bit(PG_FOLIO, &req->wb_flags);
+ } else if (page != NULL) {
put_page(page);
req->wb_page = NULL;
}
@@ -693,13 +786,14 @@ EXPORT_SYMBOL_GPL(nfs_pgio_header_free);
/**
* nfs_pgio_rpcsetup - Set up arguments for a pageio call
* @hdr: The pageio hdr
+ * @pgbase: base
* @count: Number of bytes to read
* @how: How to commit data (writes only)
* @cinfo: Commit information for the call (writes only)
*/
-static void nfs_pgio_rpcsetup(struct nfs_pgio_header *hdr,
- unsigned int count,
- int how, struct nfs_commit_info *cinfo)
+static void nfs_pgio_rpcsetup(struct nfs_pgio_header *hdr, unsigned int pgbase,
+ unsigned int count, int how,
+ struct nfs_commit_info *cinfo)
{
struct nfs_page *req = hdr->req;
@@ -710,7 +804,7 @@ static void nfs_pgio_rpcsetup(struct nfs_pgio_header *hdr,
hdr->args.offset = req_offset(req);
/* pnfs_set_layoutcommit needs this */
hdr->mds_offset = hdr->args.offset;
- hdr->args.pgbase = req->wb_pgbase;
+ hdr->args.pgbase = pgbase;
hdr->args.pages = hdr->page_array.pagevec;
hdr->args.count = count;
hdr->args.context = get_nfs_open_context(nfs_req_openctx(req));
@@ -896,9 +990,10 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
struct nfs_commit_info cinfo;
struct nfs_page_array *pg_array = &hdr->page_array;
unsigned int pagecount, pageused;
+ unsigned int pg_base = offset_in_page(mirror->pg_base);
gfp_t gfp_flags = nfs_io_gfp_mask();
- pagecount = nfs_page_array_len(mirror->pg_base, mirror->pg_count);
+ pagecount = nfs_page_array_len(pg_base, mirror->pg_count);
pg_array->npages = pagecount;
if (pagecount <= ARRAY_SIZE(pg_array->page_array))
@@ -918,16 +1013,26 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
last_page = NULL;
pageused = 0;
while (!list_empty(head)) {
+ struct nfs_page_iter_page i;
+ struct page *page;
+
req = nfs_list_entry(head->next);
nfs_list_move_request(req, &hdr->pages);
- if (!last_page || last_page != req->wb_page) {
- pageused++;
- if (pageused > pagecount)
- break;
- *pages++ = last_page = req->wb_page;
+ if (req->wb_pgbase == 0)
+ last_page = NULL;
+
+ nfs_page_iter_page_init(&i, req);
+ while ((page = nfs_page_iter_page_get(&i)) != NULL) {
+ if (last_page != page) {
+ pageused++;
+ if (pageused > pagecount)
+ goto full;
+ *pages++ = last_page = page;
+ }
}
}
+full:
if (WARN_ON_ONCE(pageused != pagecount)) {
nfs_pgio_error(hdr);
desc->pg_error = -EINVAL;
@@ -939,7 +1044,8 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
desc->pg_ioflags &= ~FLUSH_COND_STABLE;
/* Set up the argument struct */
- nfs_pgio_rpcsetup(hdr, mirror->pg_count, desc->pg_ioflags, &cinfo);
+ nfs_pgio_rpcsetup(hdr, pg_base, mirror->pg_count, desc->pg_ioflags,
+ &cinfo);
desc->pg_rpc_callops = &nfs_pgio_common_ops;
return 0;
}
@@ -1035,6 +1141,24 @@ static bool nfs_match_lock_context(const struct nfs_lock_context *l1,
return l1->lockowner == l2->lockowner;
}
+static bool nfs_page_is_contiguous(const struct nfs_page *prev,
+ const struct nfs_page *req)
+{
+ size_t prev_end = prev->wb_pgbase + prev->wb_bytes;
+
+ if (req_offset(req) != req_offset(prev) + prev->wb_bytes)
+ return false;
+ if (req->wb_pgbase == 0)
+ return prev_end == nfs_page_max_length(prev);
+ if (req->wb_pgbase == prev_end) {
+ struct folio *folio = nfs_page_to_folio(req);
+ if (folio)
+ return folio == nfs_page_to_folio(prev);
+ return req->wb_page == prev->wb_page;
+ }
+ return false;
+}
+
/**
* nfs_coalesce_size - test two requests for compatibility
* @prev: pointer to nfs_page
@@ -1063,16 +1187,8 @@ static unsigned int nfs_coalesce_size(struct nfs_page *prev,
!nfs_match_lock_context(req->wb_lock_context,
prev->wb_lock_context))
return 0;
- if (req_offset(req) != req_offset(prev) + prev->wb_bytes)
+ if (!nfs_page_is_contiguous(prev, req))
return 0;
- if (req->wb_page == prev->wb_page) {
- if (req->wb_pgbase != prev->wb_pgbase + prev->wb_bytes)
- return 0;
- } else {
- if (req->wb_pgbase != 0 ||
- prev->wb_pgbase + prev->wb_bytes != PAGE_SIZE)
- return 0;
- }
}
return pgio->pg_ops->pg_test(pgio, prev, req);
}
@@ -1412,16 +1528,21 @@ void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *desc, pgoff_t index)
{
struct nfs_pgio_mirror *mirror;
struct nfs_page *prev;
+ struct folio *folio;
u32 midx;
for (midx = 0; midx < desc->pg_mirror_count; midx++) {
mirror = nfs_pgio_get_mirror(desc, midx);
if (!list_empty(&mirror->pg_list)) {
prev = nfs_list_entry(mirror->pg_list.prev);
- if (index != prev->wb_index + 1) {
- nfs_pageio_complete(desc);
- break;
- }
+ folio = nfs_page_to_folio(prev);
+ if (folio) {
+ if (index == folio_next_index(folio))
+ continue;
+ } else if (index == prev->wb_index + 1)
+ continue;
+ nfs_pageio_complete(desc);
+ break;
}
}
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index a5db5158c634..306cba0b9e69 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -511,7 +511,7 @@ pnfs_layout_io_set_failed(struct pnfs_layout_hdr *lo, u32 iomode)
spin_lock(&inode->i_lock);
pnfs_layout_set_fail_bit(lo, pnfs_iomode_to_fail_bit(iomode));
- pnfs_mark_matching_lsegs_invalid(lo, &head, &range, 0);
+ pnfs_mark_matching_lsegs_return(lo, &head, &range, 0);
spin_unlock(&inode->i_lock);
pnfs_free_lseg_list(&head);
dprintk("%s Setting layout IOMODE_%s fail bit\n", __func__,
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index e3e6a41f19de..d886c8226d8f 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -193,7 +193,7 @@ struct pnfs_commit_ops {
void (*recover_commit_reqs) (struct list_head *list,
struct nfs_commit_info *cinfo);
struct nfs_page * (*search_commit_reqs)(struct nfs_commit_info *cinfo,
- struct page *page);
+ struct folio *folio);
};
struct pnfs_layout_hdr {
@@ -395,7 +395,7 @@ void pnfs_generic_rw_release(void *data);
void pnfs_generic_recover_commit_reqs(struct list_head *dst,
struct nfs_commit_info *cinfo);
struct nfs_page *pnfs_generic_search_commit_reqs(struct nfs_commit_info *cinfo,
- struct page *page);
+ struct folio *folio);
int pnfs_generic_commit_pagelist(struct inode *inode,
struct list_head *mds_pages,
int how,
@@ -557,13 +557,13 @@ pnfs_recover_commit_reqs(struct list_head *head, struct nfs_commit_info *cinfo)
static inline struct nfs_page *
pnfs_search_commit_reqs(struct inode *inode, struct nfs_commit_info *cinfo,
- struct page *page)
+ struct folio *folio)
{
struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds;
if (!fl_cinfo->ops || !fl_cinfo->ops->search_commit_reqs)
return NULL;
- return fl_cinfo->ops->search_commit_reqs(cinfo, page);
+ return fl_cinfo->ops->search_commit_reqs(cinfo, folio);
}
/* Should the pNFS client commit and return the layout upon a setattr */
@@ -864,7 +864,7 @@ pnfs_recover_commit_reqs(struct list_head *head, struct nfs_commit_info *cinfo)
static inline struct nfs_page *
pnfs_search_commit_reqs(struct inode *inode, struct nfs_commit_info *cinfo,
- struct page *page)
+ struct folio *folio)
{
return NULL;
}
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 5d035dd2d7bf..a0112ad4937a 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -353,7 +353,7 @@ EXPORT_SYMBOL_GPL(pnfs_generic_recover_commit_reqs);
static struct nfs_page *
pnfs_bucket_search_commit_reqs(struct pnfs_commit_bucket *buckets,
- unsigned int nbuckets, struct page *page)
+ unsigned int nbuckets, struct folio *folio)
{
struct nfs_page *req;
struct pnfs_commit_bucket *b;
@@ -363,11 +363,11 @@ pnfs_bucket_search_commit_reqs(struct pnfs_commit_bucket *buckets,
* request is found */
for (i = 0, b = buckets; i < nbuckets; i++, b++) {
list_for_each_entry(req, &b->written, wb_list) {
- if (req->wb_page == page)
+ if (nfs_page_to_folio(req) == folio)
return req->wb_head;
}
list_for_each_entry(req, &b->committing, wb_list) {
- if (req->wb_page == page)
+ if (nfs_page_to_folio(req) == folio)
return req->wb_head;
}
}
@@ -375,14 +375,14 @@ pnfs_bucket_search_commit_reqs(struct pnfs_commit_bucket *buckets,
}
/* pnfs_generic_search_commit_reqs - Search lists in @cinfo for the head request
- * for @page
+ * for @folio
* @cinfo - commit info for current inode
- * @page - page to search for matching head request
+ * @folio - page to search for matching head request
*
* Return: the head request if one is found, otherwise %NULL.
*/
-struct nfs_page *
-pnfs_generic_search_commit_reqs(struct nfs_commit_info *cinfo, struct page *page)
+struct nfs_page *pnfs_generic_search_commit_reqs(struct nfs_commit_info *cinfo,
+ struct folio *folio)
{
struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds;
struct pnfs_commit_array *array;
@@ -390,7 +390,7 @@ pnfs_generic_search_commit_reqs(struct nfs_commit_info *cinfo, struct page *page
list_for_each_entry(array, &fl_cinfo->commits, cinfo_list) {
req = pnfs_bucket_search_commit_reqs(array->buckets,
- array->nbuckets, page);
+ array->nbuckets, folio);
if (req)
return req;
}
@@ -1180,7 +1180,7 @@ pnfs_layout_mark_request_commit(struct nfs_page *req,
nfs_request_add_commit_list_locked(req, list, cinfo);
mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);
- nfs_mark_page_unstable(req->wb_page, cinfo);
+ nfs_folio_mark_unstable(nfs_page_to_folio(req), cinfo);
return;
out_resched:
mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 8ae2c8d1219d..c380cff4108e 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -49,12 +49,11 @@ static void nfs_readhdr_free(struct nfs_pgio_header *rhdr)
kmem_cache_free(nfs_rdata_cachep, rhdr);
}
-static
-int nfs_return_empty_page(struct page *page)
+static int nfs_return_empty_folio(struct folio *folio)
{
- zero_user(page, 0, PAGE_SIZE);
- SetPageUptodate(page);
- unlock_page(page);
+ folio_zero_segment(folio, 0, folio_size(folio));
+ folio_mark_uptodate(folio);
+ folio_unlock(folio);
return 0;
}
@@ -111,18 +110,18 @@ EXPORT_SYMBOL_GPL(nfs_pageio_reset_read_mds);
static void nfs_readpage_release(struct nfs_page *req, int error)
{
struct inode *inode = d_inode(nfs_req_openctx(req)->dentry);
- struct page *page = req->wb_page;
+ struct folio *folio = nfs_page_to_folio(req);
dprintk("NFS: read done (%s/%llu %d@%lld)\n", inode->i_sb->s_id,
(unsigned long long)NFS_FILEID(inode), req->wb_bytes,
(long long)req_offset(req));
if (nfs_error_is_fatal_on_server(error) && error != -ETIMEDOUT)
- SetPageError(page);
+ folio_set_error(folio);
if (nfs_page_group_sync_on_bit(req, PG_UNLOCKPAGE)) {
- if (PageUptodate(page))
- nfs_fscache_write_page(inode, page);
- unlock_page(page);
+ if (folio_test_uptodate(folio))
+ nfs_fscache_write_page(inode, &folio->page);
+ folio_unlock(folio);
}
nfs_release_request(req);
}
@@ -135,7 +134,7 @@ struct nfs_readdesc {
static void nfs_page_group_set_uptodate(struct nfs_page *req)
{
if (nfs_page_group_sync_on_bit(req, PG_UPTODATE))
- SetPageUptodate(req->wb_page);
+ folio_mark_uptodate(nfs_page_to_folio(req));
}
static void nfs_read_completion(struct nfs_pgio_header *hdr)
@@ -147,7 +146,7 @@ static void nfs_read_completion(struct nfs_pgio_header *hdr)
goto out;
while (!list_empty(&hdr->pages)) {
struct nfs_page *req = nfs_list_entry(hdr->pages.next);
- struct page *page = req->wb_page;
+ struct folio *folio = nfs_page_to_folio(req);
unsigned long start = req->wb_pgbase;
unsigned long end = req->wb_pgbase + req->wb_bytes;
@@ -157,14 +156,14 @@ static void nfs_read_completion(struct nfs_pgio_header *hdr)
if (bytes > hdr->good_bytes) {
/* nothing in this request was good, so zero
* the full extent of the request */
- zero_user_segment(page, start, end);
+ folio_zero_segment(folio, start, end);
} else if (hdr->good_bytes - bytes < req->wb_bytes) {
/* part of this request has good bytes, but
* not all. zero the bad bytes */
start += hdr->good_bytes - bytes;
WARN_ON(start < req->wb_pgbase);
- zero_user_segment(page, start, end);
+ folio_zero_segment(folio, start, end);
}
}
error = 0;
@@ -281,33 +280,34 @@ static void nfs_readpage_result(struct rpc_task *task,
nfs_readpage_retry(task, hdr);
}
-static int
-readpage_async_filler(struct nfs_readdesc *desc, struct page *page)
+static int readpage_async_filler(struct nfs_readdesc *desc, struct folio *folio)
{
- struct inode *inode = page_file_mapping(page)->host;
- unsigned int rsize = NFS_SERVER(inode)->rsize;
+ struct inode *inode = folio_file_mapping(folio)->host;
+ struct nfs_server *server = NFS_SERVER(inode);
+ size_t fsize = folio_size(folio);
+ unsigned int rsize = server->rsize;
struct nfs_page *new;
unsigned int len, aligned_len;
int error;
- len = nfs_page_length(page);
+ len = nfs_folio_length(folio);
if (len == 0)
- return nfs_return_empty_page(page);
+ return nfs_return_empty_folio(folio);
- aligned_len = min_t(unsigned int, ALIGN(len, rsize), PAGE_SIZE);
+ aligned_len = min_t(unsigned int, ALIGN(len, rsize), fsize);
- if (!IS_SYNC(page->mapping->host)) {
- error = nfs_fscache_read_page(page->mapping->host, page);
+ if (!IS_SYNC(inode)) {
+ error = nfs_fscache_read_page(inode, &folio->page);
if (error == 0)
goto out_unlock;
}
- new = nfs_create_request(desc->ctx, page, 0, aligned_len);
+ new = nfs_page_create_from_folio(desc->ctx, folio, 0, aligned_len);
if (IS_ERR(new))
goto out_error;
- if (len < PAGE_SIZE)
- zero_user_segment(page, len, PAGE_SIZE);
+ if (len < fsize)
+ folio_zero_segment(folio, len, fsize);
if (!nfs_pageio_add_request(&desc->pgio, new)) {
nfs_list_remove_request(new);
error = desc->pgio.pg_error;
@@ -318,7 +318,7 @@ readpage_async_filler(struct nfs_readdesc *desc, struct page *page)
out_error:
error = PTR_ERR(new);
out_unlock:
- unlock_page(page);
+ folio_unlock(folio);
out:
return error;
}
@@ -331,61 +331,54 @@ out:
*/
int nfs_read_folio(struct file *file, struct folio *folio)
{
- struct page *page = &folio->page;
struct nfs_readdesc desc;
- struct inode *inode = page_file_mapping(page)->host;
+ struct inode *inode = file_inode(file);
int ret;
- trace_nfs_aop_readpage(inode, page);
+ trace_nfs_aop_readpage(inode, folio);
nfs_inc_stats(inode, NFSIOS_VFSREADPAGE);
/*
* Try to flush any pending writes to the file..
*
- * NOTE! Because we own the page lock, there cannot
+ * NOTE! Because we own the folio lock, there cannot
* be any new pending writes generated at this point
- * for this page (other pages can be written to).
+ * for this folio (other folios can be written to).
*/
- ret = nfs_wb_page(inode, page);
+ ret = nfs_wb_folio(inode, folio);
if (ret)
goto out_unlock;
- if (PageUptodate(page))
+ if (folio_test_uptodate(folio))
goto out_unlock;
ret = -ESTALE;
if (NFS_STALE(inode))
goto out_unlock;
- if (file == NULL) {
- ret = -EBADF;
- desc.ctx = nfs_find_open_context(inode, NULL, FMODE_READ);
- if (desc.ctx == NULL)
- goto out_unlock;
- } else
- desc.ctx = get_nfs_open_context(nfs_file_open_context(file));
+ desc.ctx = get_nfs_open_context(nfs_file_open_context(file));
xchg(&desc.ctx->error, 0);
nfs_pageio_init_read(&desc.pgio, inode, false,
&nfs_async_read_completion_ops);
- ret = readpage_async_filler(&desc, page);
+ ret = readpage_async_filler(&desc, folio);
if (ret)
goto out;
nfs_pageio_complete_read(&desc.pgio);
ret = desc.pgio.pg_error < 0 ? desc.pgio.pg_error : 0;
if (!ret) {
- ret = wait_on_page_locked_killable(page);
- if (!PageUptodate(page) && !ret)
+ ret = folio_wait_locked_killable(folio);
+ if (!folio_test_uptodate(folio) && !ret)
ret = xchg(&desc.ctx->error, 0);
}
out:
put_nfs_open_context(desc.ctx);
- trace_nfs_aop_readpage_done(inode, page, ret);
+ trace_nfs_aop_readpage_done(inode, folio, ret);
return ret;
out_unlock:
- unlock_page(page);
- trace_nfs_aop_readpage_done(inode, page, ret);
+ folio_unlock(folio);
+ trace_nfs_aop_readpage_done(inode, folio, ret);
return ret;
}
@@ -395,7 +388,7 @@ void nfs_readahead(struct readahead_control *ractl)
struct file *file = ractl->file;
struct nfs_readdesc desc;
struct inode *inode = ractl->mapping->host;
- struct page *page;
+ struct folio *folio;
int ret;
trace_nfs_aop_readahead(inode, readahead_pos(ractl), nr_pages);
@@ -416,9 +409,8 @@ void nfs_readahead(struct readahead_control *ractl)
nfs_pageio_init_read(&desc.pgio, inode, false,
&nfs_async_read_completion_ops);
- while ((page = readahead_page(ractl)) != NULL) {
- ret = readpage_async_filler(&desc, page);
- put_page(page);
+ while ((folio = readahead_folio(ractl)) != NULL) {
+ ret = readpage_async_filler(&desc, folio);
if (ret)
break;
}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 1a80d548253a..b508c985eb14 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -64,7 +64,7 @@ static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo,
struct inode *inode);
static struct nfs_page *
nfs_page_search_commits_for_head_request_locked(struct nfs_inode *nfsi,
- struct page *page);
+ struct folio *folio);
static struct kmem_cache *nfs_wdata_cachep;
static mempool_t *nfs_wdata_mempool;
@@ -171,31 +171,28 @@ nfs_cancel_remove_inode(struct nfs_page *req, struct inode *inode)
return 0;
}
-static struct nfs_page *
-nfs_page_private_request(struct page *page)
+static struct nfs_page *nfs_folio_private_request(struct folio *folio)
{
- if (!PagePrivate(page))
- return NULL;
- return (struct nfs_page *)page_private(page);
+ return folio_get_private(folio);
}
-/*
- * nfs_page_find_head_request_locked - find head request associated with @page
+/**
+ * nfs_folio_find_private_request - find head request associated with a folio
+ * @folio: pointer to folio
*
* must be called while holding the inode lock.
*
* returns matching head request with reference held, or NULL if not found.
*/
-static struct nfs_page *
-nfs_page_find_private_request(struct page *page)
+static struct nfs_page *nfs_folio_find_private_request(struct folio *folio)
{
- struct address_space *mapping = page_file_mapping(page);
+ struct address_space *mapping = folio_file_mapping(folio);
struct nfs_page *req;
- if (!PagePrivate(page))
+ if (!folio_test_private(folio))
return NULL;
spin_lock(&mapping->private_lock);
- req = nfs_page_private_request(page);
+ req = nfs_folio_private_request(folio);
if (req) {
WARN_ON_ONCE(req->wb_head != req);
kref_get(&req->wb_kref);
@@ -204,18 +201,17 @@ nfs_page_find_private_request(struct page *page)
return req;
}
-static struct nfs_page *
-nfs_page_find_swap_request(struct page *page)
+static struct nfs_page *nfs_folio_find_swap_request(struct folio *folio)
{
- struct inode *inode = page_file_mapping(page)->host;
+ struct inode *inode = folio_file_mapping(folio)->host;
struct nfs_inode *nfsi = NFS_I(inode);
struct nfs_page *req = NULL;
- if (!PageSwapCache(page))
+ if (!folio_test_swapcache(folio))
return NULL;
mutex_lock(&nfsi->commit_mutex);
- if (PageSwapCache(page)) {
+ if (folio_test_swapcache(folio)) {
req = nfs_page_search_commits_for_head_request_locked(nfsi,
- page);
+ folio);
if (req) {
WARN_ON_ONCE(req->wb_head != req);
kref_get(&req->wb_kref);
@@ -225,29 +221,30 @@ nfs_page_find_swap_request(struct page *page)
return req;
}
-/*
- * nfs_page_find_head_request - find head request associated with @page
+/**
+ * nfs_folio_find_head_request - find head request associated with a folio
+ * @folio: pointer to folio
*
* returns matching head request with reference held, or NULL if not found.
*/
-static struct nfs_page *nfs_page_find_head_request(struct page *page)
+static struct nfs_page *nfs_folio_find_head_request(struct folio *folio)
{
struct nfs_page *req;
- req = nfs_page_find_private_request(page);
+ req = nfs_folio_find_private_request(folio);
if (!req)
- req = nfs_page_find_swap_request(page);
+ req = nfs_folio_find_swap_request(folio);
return req;
}
-static struct nfs_page *nfs_find_and_lock_page_request(struct page *page)
+static struct nfs_page *nfs_folio_find_and_lock_request(struct folio *folio)
{
- struct inode *inode = page_file_mapping(page)->host;
+ struct inode *inode = folio_file_mapping(folio)->host;
struct nfs_page *req, *head;
int ret;
for (;;) {
- req = nfs_page_find_head_request(page);
+ req = nfs_folio_find_head_request(folio);
if (!req)
return req;
head = nfs_page_group_lock_head(req);
@@ -261,9 +258,9 @@ static struct nfs_page *nfs_find_and_lock_page_request(struct page *page)
return ERR_PTR(ret);
}
/* Ensure that nobody removed the request before we locked it */
- if (head == nfs_page_private_request(page))
+ if (head == nfs_folio_private_request(folio))
break;
- if (PageSwapCache(page))
+ if (folio_test_swapcache(folio))
break;
nfs_unlock_and_release_request(head);
}
@@ -271,18 +268,19 @@ static struct nfs_page *nfs_find_and_lock_page_request(struct page *page)
}
/* Adjust the file length if we're writing beyond the end */
-static void nfs_grow_file(struct page *page, unsigned int offset, unsigned int count)
+static void nfs_grow_file(struct folio *folio, unsigned int offset,
+ unsigned int count)
{
- struct inode *inode = page_file_mapping(page)->host;
+ struct inode *inode = folio_file_mapping(folio)->host;
loff_t end, i_size;
pgoff_t end_index;
spin_lock(&inode->i_lock);
i_size = i_size_read(inode);
- end_index = (i_size - 1) >> PAGE_SHIFT;
- if (i_size > 0 && page_index(page) < end_index)
+ end_index = ((i_size - 1) >> folio_shift(folio)) << folio_order(folio);
+ if (i_size > 0 && folio_index(folio) < end_index)
goto out;
- end = page_file_offset(page) + ((loff_t)offset+count);
+ end = folio_file_pos(folio) + (loff_t)offset + (loff_t)count;
if (i_size >= end)
goto out;
trace_nfs_size_grow(inode, end);
@@ -308,11 +306,11 @@ static void nfs_set_pageerror(struct address_space *mapping)
spin_unlock(&inode->i_lock);
}
-static void nfs_mapping_set_error(struct page *page, int error)
+static void nfs_mapping_set_error(struct folio *folio, int error)
{
- struct address_space *mapping = page_file_mapping(page);
+ struct address_space *mapping = folio_file_mapping(folio);
- SetPageError(page);
+ folio_set_error(folio);
filemap_set_wb_err(mapping, error);
if (mapping->host)
errseq_set(&mapping->host->i_sb->s_wb_err,
@@ -359,9 +357,9 @@ nfs_page_group_search_locked(struct nfs_page *head, unsigned int page_offset)
*/
static bool nfs_page_group_covers_page(struct nfs_page *req)
{
+ unsigned int len = nfs_folio_length(nfs_page_to_folio(req));
struct nfs_page *tmp;
unsigned int pos = 0;
- unsigned int len = nfs_page_length(req->wb_page);
nfs_page_group_lock(req);
@@ -381,11 +379,13 @@ static bool nfs_page_group_covers_page(struct nfs_page *req)
*/
static void nfs_mark_uptodate(struct nfs_page *req)
{
- if (PageUptodate(req->wb_page))
+ struct folio *folio = nfs_page_to_folio(req);
+
+ if (folio_test_uptodate(folio))
return;
if (!nfs_page_group_covers_page(req))
return;
- SetPageUptodate(req->wb_page);
+ folio_mark_uptodate(folio);
}
static int wb_priority(struct writeback_control *wbc)
@@ -407,35 +407,34 @@ int nfs_congestion_kb;
#define NFS_CONGESTION_OFF_THRESH \
(NFS_CONGESTION_ON_THRESH - (NFS_CONGESTION_ON_THRESH >> 2))
-static void nfs_set_page_writeback(struct page *page)
+static void nfs_folio_set_writeback(struct folio *folio)
{
- struct inode *inode = page_file_mapping(page)->host;
- struct nfs_server *nfss = NFS_SERVER(inode);
- int ret = test_set_page_writeback(page);
-
- WARN_ON_ONCE(ret != 0);
+ struct nfs_server *nfss = NFS_SERVER(folio_file_mapping(folio)->host);
- if (atomic_long_inc_return(&nfss->writeback) >
- NFS_CONGESTION_ON_THRESH)
+ folio_start_writeback(folio);
+ if (atomic_long_inc_return(&nfss->writeback) > NFS_CONGESTION_ON_THRESH)
nfss->write_congested = 1;
}
-static void nfs_end_page_writeback(struct nfs_page *req)
+static void nfs_folio_end_writeback(struct folio *folio)
{
- struct inode *inode = page_file_mapping(req->wb_page)->host;
- struct nfs_server *nfss = NFS_SERVER(inode);
- bool is_done;
+ struct nfs_server *nfss = NFS_SERVER(folio_file_mapping(folio)->host);
- is_done = nfs_page_group_sync_on_bit(req, PG_WB_END);
- nfs_unlock_request(req);
- if (!is_done)
- return;
-
- end_page_writeback(req->wb_page);
- if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH)
+ folio_end_writeback(folio);
+ if (atomic_long_dec_return(&nfss->writeback) <
+ NFS_CONGESTION_OFF_THRESH)
nfss->write_congested = 0;
}
+static void nfs_page_end_writeback(struct nfs_page *req)
+{
+ if (nfs_page_group_sync_on_bit(req, PG_WB_END)) {
+ nfs_unlock_request(req);
+ nfs_folio_end_writeback(nfs_page_to_folio(req));
+ } else
+ nfs_unlock_request(req);
+}
+
/*
* nfs_destroy_unlinked_subrequests - destroy recently unlinked subrequests
*
@@ -550,7 +549,7 @@ nfs_join_page_group(struct nfs_page *head, struct inode *inode)
/*
* nfs_lock_and_join_requests - join all subreqs to the head req
- * @page: the page used to lookup the "page group" of nfs_page structures
+ * @folio: the folio used to lookup the "page group" of nfs_page structures
*
* This function joins all sub requests to the head request by first
* locking all requests in the group, cancelling any pending operations
@@ -560,13 +559,12 @@ nfs_join_page_group(struct nfs_page *head, struct inode *inode)
*
* Returns a locked, referenced pointer to the head request - which after
* this call is guaranteed to be the only request associated with the page.
- * Returns NULL if no requests are found for @page, or a ERR_PTR if an
+ * Returns NULL if no requests are found for @folio, or a ERR_PTR if an
* error was encountered.
*/
-static struct nfs_page *
-nfs_lock_and_join_requests(struct page *page)
+static struct nfs_page *nfs_lock_and_join_requests(struct folio *folio)
{
- struct inode *inode = page_file_mapping(page)->host;
+ struct inode *inode = folio_file_mapping(folio)->host;
struct nfs_page *head;
int ret;
@@ -575,7 +573,7 @@ nfs_lock_and_join_requests(struct page *page)
* reference to the whole page group - the group will not be destroyed
* until the head reference is released.
*/
- head = nfs_find_and_lock_page_request(page);
+ head = nfs_folio_find_and_lock_request(folio);
if (IS_ERR_OR_NULL(head))
return head;
@@ -593,11 +591,10 @@ nfs_lock_and_join_requests(struct page *page)
static void nfs_write_error(struct nfs_page *req, int error)
{
- trace_nfs_write_error(page_file_mapping(req->wb_page)->host, req,
- error);
- nfs_mapping_set_error(req->wb_page, error);
+ trace_nfs_write_error(nfs_page_to_inode(req), req, error);
+ nfs_mapping_set_error(nfs_page_to_folio(req), error);
nfs_inode_remove_request(req);
- nfs_end_page_writeback(req);
+ nfs_page_end_writeback(req);
nfs_release_request(req);
}
@@ -605,21 +602,21 @@ static void nfs_write_error(struct nfs_page *req, int error)
* Find an associated nfs write request, and prepare to flush it out
* May return an error if the user signalled nfs_wait_on_request().
*/
-static int nfs_page_async_flush(struct page *page,
+static int nfs_page_async_flush(struct folio *folio,
struct writeback_control *wbc,
struct nfs_pageio_descriptor *pgio)
{
struct nfs_page *req;
int ret = 0;
- req = nfs_lock_and_join_requests(page);
+ req = nfs_lock_and_join_requests(folio);
if (!req)
goto out;
ret = PTR_ERR(req);
if (IS_ERR(req))
goto out;
- nfs_set_page_writeback(page);
+ nfs_folio_set_writeback(folio);
WARN_ON_ONCE(test_bit(PG_CLEAN, &req->wb_flags));
/* If there is a fatal error that covers this write, just exit */
@@ -637,12 +634,12 @@ static int nfs_page_async_flush(struct page *page,
goto out_launder;
if (wbc->sync_mode == WB_SYNC_NONE)
ret = AOP_WRITEPAGE_ACTIVATE;
- redirty_page_for_writepage(wbc, page);
+ folio_redirty_for_writepage(wbc, folio);
nfs_redirty_request(req);
pgio->pg_error = 0;
} else
- nfs_add_stats(page_file_mapping(page)->host,
- NFSIOS_WRITEPAGES, 1);
+ nfs_add_stats(folio_file_mapping(folio)->host,
+ NFSIOS_WRITEPAGES, 1);
out:
return ret;
out_launder:
@@ -650,21 +647,21 @@ out_launder:
return 0;
}
-static int nfs_do_writepage(struct page *page, struct writeback_control *wbc,
+static int nfs_do_writepage(struct folio *folio, struct writeback_control *wbc,
struct nfs_pageio_descriptor *pgio)
{
- nfs_pageio_cond_complete(pgio, page_index(page));
- return nfs_page_async_flush(page, wbc, pgio);
+ nfs_pageio_cond_complete(pgio, folio_index(folio));
+ return nfs_page_async_flush(folio, wbc, pgio);
}
/*
* Write an mmapped page to the server.
*/
-static int nfs_writepage_locked(struct page *page,
+static int nfs_writepage_locked(struct folio *folio,
struct writeback_control *wbc)
{
struct nfs_pageio_descriptor pgio;
- struct inode *inode = page_file_mapping(page)->host;
+ struct inode *inode = folio_file_mapping(folio)->host;
int err;
if (wbc->sync_mode == WB_SYNC_NONE &&
@@ -672,9 +669,9 @@ static int nfs_writepage_locked(struct page *page,
return AOP_WRITEPAGE_ACTIVATE;
nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE);
- nfs_pageio_init_write(&pgio, inode, 0,
- false, &nfs_async_write_completion_ops);
- err = nfs_do_writepage(page, wbc, &pgio);
+ nfs_pageio_init_write(&pgio, inode, 0, false,
+ &nfs_async_write_completion_ops);
+ err = nfs_do_writepage(folio, wbc, &pgio);
pgio.pg_error = 0;
nfs_pageio_complete(&pgio);
return err;
@@ -682,19 +679,22 @@ static int nfs_writepage_locked(struct page *page,
int nfs_writepage(struct page *page, struct writeback_control *wbc)
{
+ struct folio *folio = page_folio(page);
int ret;
- ret = nfs_writepage_locked(page, wbc);
+ ret = nfs_writepage_locked(folio, wbc);
if (ret != AOP_WRITEPAGE_ACTIVATE)
unlock_page(page);
return ret;
}
-static int nfs_writepages_callback(struct page *page, struct writeback_control *wbc, void *data)
+static int nfs_writepages_callback(struct page *page,
+ struct writeback_control *wbc, void *data)
{
+ struct folio *folio = page_folio(page);
int ret;
- ret = nfs_do_writepage(page, wbc, data);
+ ret = nfs_do_writepage(folio, wbc, data);
if (ret != AOP_WRITEPAGE_ACTIVATE)
unlock_page(page);
return ret;
@@ -750,10 +750,11 @@ out_err:
/*
* Insert a write request into an inode
*/
-static void nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
+static void nfs_inode_add_request(struct nfs_page *req)
{
- struct address_space *mapping = page_file_mapping(req->wb_page);
- struct nfs_inode *nfsi = NFS_I(inode);
+ struct folio *folio = nfs_page_to_folio(req);
+ struct address_space *mapping = folio_file_mapping(folio);
+ struct nfs_inode *nfsi = NFS_I(mapping->host);
WARN_ON_ONCE(req->wb_this_page != req);
@@ -765,10 +766,10 @@ static void nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
* with invalidate/truncate.
*/
spin_lock(&mapping->private_lock);
- if (likely(!PageSwapCache(req->wb_page))) {
+ if (likely(!folio_test_swapcache(folio))) {
set_bit(PG_MAPPED, &req->wb_flags);
- SetPagePrivate(req->wb_page);
- set_page_private(req->wb_page, (unsigned long)req);
+ folio_set_private(folio);
+ folio->private = req;
}
spin_unlock(&mapping->private_lock);
atomic_long_inc(&nfsi->nrequests);
@@ -785,47 +786,43 @@ static void nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
*/
static void nfs_inode_remove_request(struct nfs_page *req)
{
- struct address_space *mapping = page_file_mapping(req->wb_page);
- struct inode *inode = mapping->host;
- struct nfs_inode *nfsi = NFS_I(inode);
- struct nfs_page *head;
-
if (nfs_page_group_sync_on_bit(req, PG_REMOVE)) {
- head = req->wb_head;
+ struct folio *folio = nfs_page_to_folio(req->wb_head);
+ struct address_space *mapping = folio_file_mapping(folio);
spin_lock(&mapping->private_lock);
- if (likely(head->wb_page && !PageSwapCache(head->wb_page))) {
- set_page_private(head->wb_page, 0);
- ClearPagePrivate(head->wb_page);
- clear_bit(PG_MAPPED, &head->wb_flags);
+ if (likely(folio && !folio_test_swapcache(folio))) {
+ folio->private = NULL;
+ folio_clear_private(folio);
+ clear_bit(PG_MAPPED, &req->wb_head->wb_flags);
}
spin_unlock(&mapping->private_lock);
}
if (test_and_clear_bit(PG_INODE_REF, &req->wb_flags)) {
nfs_release_request(req);
- atomic_long_dec(&nfsi->nrequests);
+ atomic_long_dec(&NFS_I(nfs_page_to_inode(req))->nrequests);
}
}
-static void
-nfs_mark_request_dirty(struct nfs_page *req)
+static void nfs_mark_request_dirty(struct nfs_page *req)
{
- if (req->wb_page)
- __set_page_dirty_nobuffers(req->wb_page);
+ struct folio *folio = nfs_page_to_folio(req);
+ if (folio)
+ filemap_dirty_folio(folio_mapping(folio), folio);
}
/*
* nfs_page_search_commits_for_head_request_locked
*
- * Search through commit lists on @inode for the head request for @page.
+ * Search through commit lists on @inode for the head request for @folio.
* Must be called while holding the inode (which is cinfo) lock.
*
* Returns the head request if found, or NULL if not found.
*/
static struct nfs_page *
nfs_page_search_commits_for_head_request_locked(struct nfs_inode *nfsi,
- struct page *page)
+ struct folio *folio)
{
struct nfs_page *freq, *t;
struct nfs_commit_info cinfo;
@@ -834,13 +831,13 @@ nfs_page_search_commits_for_head_request_locked(struct nfs_inode *nfsi,
nfs_init_cinfo_from_inode(&cinfo, inode);
/* search through pnfs commit lists */
- freq = pnfs_search_commit_reqs(inode, &cinfo, page);
+ freq = pnfs_search_commit_reqs(inode, &cinfo, folio);
if (freq)
return freq->wb_head;
/* Linearly search the commit list for the correct request */
list_for_each_entry_safe(freq, t, &cinfo.mds->list, wb_list) {
- if (freq->wb_page == page)
+ if (nfs_page_to_folio(freq) == folio)
return freq->wb_head;
}
@@ -888,8 +885,7 @@ nfs_request_add_commit_list(struct nfs_page *req, struct nfs_commit_info *cinfo)
mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);
nfs_request_add_commit_list_locked(req, &cinfo->mds->list, cinfo);
mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);
- if (req->wb_page)
- nfs_mark_page_unstable(req->wb_page, cinfo);
+ nfs_folio_mark_unstable(nfs_page_to_folio(req), cinfo);
}
EXPORT_SYMBOL_GPL(nfs_request_add_commit_list);
@@ -948,12 +944,15 @@ nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg,
nfs_request_add_commit_list(req, cinfo);
}
-static void
-nfs_clear_page_commit(struct page *page)
+static void nfs_folio_clear_commit(struct folio *folio)
{
- dec_node_page_state(page, NR_WRITEBACK);
- dec_wb_stat(&inode_to_bdi(page_file_mapping(page)->host)->wb,
- WB_WRITEBACK);
+ if (folio) {
+ long nr = folio_nr_pages(folio);
+
+ node_stat_mod_folio(folio, NR_WRITEBACK, -nr);
+ wb_stat_mod(&inode_to_bdi(folio_file_mapping(folio)->host)->wb,
+ WB_WRITEBACK, -nr);
+ }
}
/* Called holding the request lock on @req */
@@ -971,7 +970,7 @@ nfs_clear_request_commit(struct nfs_page *req)
nfs_request_remove_commit_list(req, &cinfo);
}
mutex_unlock(&NFS_I(inode)->commit_mutex);
- nfs_clear_page_commit(req->wb_page);
+ nfs_folio_clear_commit(nfs_page_to_folio(req));
}
}
@@ -1003,7 +1002,8 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr)
if (test_bit(NFS_IOHDR_ERROR, &hdr->flags) &&
(hdr->good_bytes < bytes)) {
trace_nfs_comp_error(hdr->inode, req, hdr->error);
- nfs_mapping_set_error(req->wb_page, hdr->error);
+ nfs_mapping_set_error(nfs_page_to_folio(req),
+ hdr->error);
goto remove_req;
}
if (nfs_write_need_commit(hdr)) {
@@ -1017,7 +1017,7 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr)
remove_req:
nfs_inode_remove_request(req);
next:
- nfs_end_page_writeback(req);
+ nfs_page_end_writeback(req);
nfs_release_request(req);
}
out:
@@ -1093,10 +1093,9 @@ nfs_scan_commit(struct inode *inode, struct list_head *dst,
* If the attempt fails, then the existing request is flushed out
* to disk.
*/
-static struct nfs_page *nfs_try_to_update_request(struct inode *inode,
- struct page *page,
- unsigned int offset,
- unsigned int bytes)
+static struct nfs_page *nfs_try_to_update_request(struct folio *folio,
+ unsigned int offset,
+ unsigned int bytes)
{
struct nfs_page *req;
unsigned int rqend;
@@ -1105,7 +1104,7 @@ static struct nfs_page *nfs_try_to_update_request(struct inode *inode,
end = offset + bytes;
- req = nfs_lock_and_join_requests(page);
+ req = nfs_lock_and_join_requests(folio);
if (IS_ERR_OR_NULL(req))
return req;
@@ -1138,7 +1137,7 @@ out_flushme:
*/
nfs_mark_request_dirty(req);
nfs_unlock_and_release_request(req);
- error = nfs_wb_page(inode, page);
+ error = nfs_wb_folio(folio_file_mapping(folio)->host, folio);
return (error < 0) ? ERR_PTR(error) : NULL;
}
@@ -1149,40 +1148,42 @@ out_flushme:
* if we have to add a new request. Also assumes that the caller has
* already called nfs_flush_incompatible() if necessary.
*/
-static struct nfs_page * nfs_setup_write_request(struct nfs_open_context* ctx,
- struct page *page, unsigned int offset, unsigned int bytes)
+static struct nfs_page *nfs_setup_write_request(struct nfs_open_context *ctx,
+ struct folio *folio,
+ unsigned int offset,
+ unsigned int bytes)
{
- struct inode *inode = page_file_mapping(page)->host;
- struct nfs_page *req;
+ struct nfs_page *req;
- req = nfs_try_to_update_request(inode, page, offset, bytes);
+ req = nfs_try_to_update_request(folio, offset, bytes);
if (req != NULL)
goto out;
- req = nfs_create_request(ctx, page, offset, bytes);
+ req = nfs_page_create_from_folio(ctx, folio, offset, bytes);
if (IS_ERR(req))
goto out;
- nfs_inode_add_request(inode, req);
+ nfs_inode_add_request(req);
out:
return req;
}
-static int nfs_writepage_setup(struct nfs_open_context *ctx, struct page *page,
- unsigned int offset, unsigned int count)
+static int nfs_writepage_setup(struct nfs_open_context *ctx,
+ struct folio *folio, unsigned int offset,
+ unsigned int count)
{
- struct nfs_page *req;
+ struct nfs_page *req;
- req = nfs_setup_write_request(ctx, page, offset, count);
+ req = nfs_setup_write_request(ctx, folio, offset, count);
if (IS_ERR(req))
return PTR_ERR(req);
/* Update file length */
- nfs_grow_file(page, offset, count);
+ nfs_grow_file(folio, offset, count);
nfs_mark_uptodate(req);
nfs_mark_request_dirty(req);
nfs_unlock_and_release_request(req);
return 0;
}
-int nfs_flush_incompatible(struct file *file, struct page *page)
+int nfs_flush_incompatible(struct file *file, struct folio *folio)
{
struct nfs_open_context *ctx = nfs_file_open_context(file);
struct nfs_lock_context *l_ctx;
@@ -1198,12 +1199,12 @@ int nfs_flush_incompatible(struct file *file, struct page *page)
* dropped page.
*/
do {
- req = nfs_page_find_head_request(page);
+ req = nfs_folio_find_head_request(folio);
if (req == NULL)
return 0;
l_ctx = req->wb_lock_context;
- do_flush = req->wb_page != page ||
- !nfs_match_open_context(nfs_req_openctx(req), ctx);
+ do_flush = nfs_page_to_folio(req) != folio ||
+ !nfs_match_open_context(nfs_req_openctx(req), ctx);
if (l_ctx && flctx &&
!(list_empty_careful(&flctx->flc_posix) &&
list_empty_careful(&flctx->flc_flock))) {
@@ -1212,7 +1213,7 @@ int nfs_flush_incompatible(struct file *file, struct page *page)
nfs_release_request(req);
if (!do_flush)
return 0;
- status = nfs_wb_page(page_file_mapping(page)->host, page);
+ status = nfs_wb_folio(folio_file_mapping(folio)->host, folio);
} while (status == 0);
return status;
}
@@ -1284,9 +1285,9 @@ out:
* the PageUptodate() flag. In this case, we will need to turn off
* write optimisations that depend on the page contents being correct.
*/
-static bool nfs_write_pageuptodate(struct page *page, struct inode *inode,
- unsigned int pagelen)
+static bool nfs_folio_write_uptodate(struct folio *folio, unsigned int pagelen)
{
+ struct inode *inode = folio_file_mapping(folio)->host;
struct nfs_inode *nfsi = NFS_I(inode);
if (nfs_have_delegated_attributes(inode))
@@ -1300,7 +1301,7 @@ static bool nfs_write_pageuptodate(struct page *page, struct inode *inode,
out:
if (nfsi->cache_validity & NFS_INO_INVALID_DATA && pagelen != 0)
return false;
- return PageUptodate(page) != 0;
+ return folio_test_uptodate(folio) != 0;
}
static bool
@@ -1318,16 +1319,17 @@ is_whole_file_wrlock(struct file_lock *fl)
* If the file is opened for synchronous writes then we can just skip the rest
* of the checks.
*/
-static int nfs_can_extend_write(struct file *file, struct page *page,
- struct inode *inode, unsigned int pagelen)
+static int nfs_can_extend_write(struct file *file, struct folio *folio,
+ unsigned int pagelen)
{
- int ret;
+ struct inode *inode = file_inode(file);
struct file_lock_context *flctx = locks_inode_context(inode);
struct file_lock *fl;
+ int ret;
if (file->f_flags & O_DSYNC)
return 0;
- if (!nfs_write_pageuptodate(page, inode, pagelen))
+ if (!nfs_folio_write_uptodate(folio, pagelen))
return 0;
if (NFS_PROTO(inode)->have_delegation(inode, FMODE_WRITE))
return 1;
@@ -1359,33 +1361,33 @@ static int nfs_can_extend_write(struct file *file, struct page *page,
* XXX: Keep an eye on generic_file_read to make sure it doesn't do bad
* things with a page scheduled for an RPC call (e.g. invalidate it).
*/
-int nfs_updatepage(struct file *file, struct page *page,
- unsigned int offset, unsigned int count)
+int nfs_update_folio(struct file *file, struct folio *folio,
+ unsigned int offset, unsigned int count)
{
struct nfs_open_context *ctx = nfs_file_open_context(file);
- struct address_space *mapping = page_file_mapping(page);
- struct inode *inode = mapping->host;
- unsigned int pagelen = nfs_page_length(page);
+ struct address_space *mapping = folio_file_mapping(folio);
+ struct inode *inode = mapping->host;
+ unsigned int pagelen = nfs_folio_length(folio);
int status = 0;
nfs_inc_stats(inode, NFSIOS_VFSUPDATEPAGE);
- dprintk("NFS: nfs_updatepage(%pD2 %d@%lld)\n",
- file, count, (long long)(page_file_offset(page) + offset));
+ dprintk("NFS: nfs_update_folio(%pD2 %d@%lld)\n", file, count,
+ (long long)(folio_file_pos(folio) + offset));
if (!count)
goto out;
- if (nfs_can_extend_write(file, page, inode, pagelen)) {
+ if (nfs_can_extend_write(file, folio, pagelen)) {
count = max(count + offset, pagelen);
offset = 0;
}
- status = nfs_writepage_setup(ctx, page, offset, count);
+ status = nfs_writepage_setup(ctx, folio, offset, count);
if (status < 0)
nfs_set_pageerror(mapping);
out:
- dprintk("NFS: nfs_updatepage returns %d (isize %lld)\n",
+ dprintk("NFS: nfs_update_folio returns %d (isize %lld)\n",
status, (long long)i_size_read(inode));
return status;
}
@@ -1421,13 +1423,13 @@ static void nfs_initiate_write(struct nfs_pgio_header *hdr,
*/
static void nfs_redirty_request(struct nfs_page *req)
{
- struct nfs_inode *nfsi = NFS_I(page_file_mapping(req->wb_page)->host);
+ struct nfs_inode *nfsi = NFS_I(nfs_page_to_inode(req));
/* Bump the transmission count */
req->wb_nio++;
nfs_mark_request_dirty(req);
atomic_long_inc(&nfsi->redirtied_pages);
- nfs_end_page_writeback(req);
+ nfs_page_end_writeback(req);
nfs_release_request(req);
}
@@ -1785,18 +1787,18 @@ void nfs_retry_commit(struct list_head *page_list,
req = nfs_list_entry(page_list->next);
nfs_list_remove_request(req);
nfs_mark_request_commit(req, lseg, cinfo, ds_commit_idx);
- if (!cinfo->dreq)
- nfs_clear_page_commit(req->wb_page);
+ nfs_folio_clear_commit(nfs_page_to_folio(req));
nfs_unlock_and_release_request(req);
}
}
EXPORT_SYMBOL_GPL(nfs_retry_commit);
-static void
-nfs_commit_resched_write(struct nfs_commit_info *cinfo,
- struct nfs_page *req)
+static void nfs_commit_resched_write(struct nfs_commit_info *cinfo,
+ struct nfs_page *req)
{
- __set_page_dirty_nobuffers(req->wb_page);
+ struct folio *folio = nfs_page_to_folio(req);
+
+ filemap_dirty_folio(folio_mapping(folio), folio);
}
/*
@@ -1847,12 +1849,13 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
int status = data->task.tk_status;
struct nfs_commit_info cinfo;
struct nfs_server *nfss;
+ struct folio *folio;
while (!list_empty(&data->pages)) {
req = nfs_list_entry(data->pages.next);
nfs_list_remove_request(req);
- if (req->wb_page)
- nfs_clear_page_commit(req->wb_page);
+ folio = nfs_page_to_folio(req);
+ nfs_folio_clear_commit(folio);
dprintk("NFS: commit (%s/%llu %d@%lld)",
nfs_req_openctx(req)->dentry->d_sb->s_id,
@@ -1860,10 +1863,10 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
req->wb_bytes,
(long long)req_offset(req));
if (status < 0) {
- if (req->wb_page) {
+ if (folio) {
trace_nfs_commit_error(data->inode, req,
status);
- nfs_mapping_set_error(req->wb_page, status);
+ nfs_mapping_set_error(folio, status);
nfs_inode_remove_request(req);
}
dprintk_cont(", error = %d\n", status);
@@ -1874,7 +1877,7 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
* returned by the server against all stored verfs. */
if (nfs_write_match_verf(verf, req)) {
/* We have a match */
- if (req->wb_page)
+ if (folio)
nfs_inode_remove_request(req);
dprintk_cont(" OK\n");
goto next;
@@ -2055,7 +2058,7 @@ int nfs_wb_folio_cancel(struct inode *inode, struct folio *folio)
/* blocking call to cancel all requests and join to a single (head)
* request */
- req = nfs_lock_and_join_requests(&folio->page);
+ req = nfs_lock_and_join_requests(folio);
if (IS_ERR(req)) {
ret = PTR_ERR(req);
@@ -2071,13 +2074,18 @@ int nfs_wb_folio_cancel(struct inode *inode, struct folio *folio)
return ret;
}
-/*
- * Write back all requests on one page - we do this before reading it.
+/**
+ * nfs_wb_folio - Write back all requests on one page
+ * @inode: pointer to page
+ * @folio: pointer to folio
+ *
+ * Assumes that the folio has been locked by the caller, and will
+ * not unlock it.
*/
-int nfs_wb_page(struct inode *inode, struct page *page)
+int nfs_wb_folio(struct inode *inode, struct folio *folio)
{
- loff_t range_start = page_file_offset(page);
- loff_t range_end = range_start + (loff_t)(PAGE_SIZE - 1);
+ loff_t range_start = folio_file_pos(folio);
+ loff_t range_end = range_start + (loff_t)folio_size(folio) - 1;
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = 0,
@@ -2086,25 +2094,25 @@ int nfs_wb_page(struct inode *inode, struct page *page)
};
int ret;
- trace_nfs_writeback_page_enter(inode);
+ trace_nfs_writeback_folio(inode, folio);
for (;;) {
- wait_on_page_writeback(page);
- if (clear_page_dirty_for_io(page)) {
- ret = nfs_writepage_locked(page, &wbc);
+ folio_wait_writeback(folio);
+ if (folio_clear_dirty_for_io(folio)) {
+ ret = nfs_writepage_locked(folio, &wbc);
if (ret < 0)
goto out_error;
continue;
}
ret = 0;
- if (!PagePrivate(page))
+ if (!folio_test_private(folio))
break;
ret = nfs_commit_inode(inode, FLUSH_SYNC);
if (ret < 0)
goto out_error;
}
out_error:
- trace_nfs_writeback_page_exit(inode, ret);
+ trace_nfs_writeback_folio_done(inode, folio, ret);
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 22:34:27 +0000