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-rw-r--r--fs/nfs/blocklayout/extent_tree.c27
-rw-r--r--fs/nfs/client.c22
-rw-r--r--fs/nfs/dir.c11
-rw-r--r--fs/nfs/direct.c10
-rw-r--r--fs/nfs/file.c4
-rw-r--r--fs/nfs/inode.c1
-rw-r--r--fs/nfs/internal.h22
-rw-r--r--fs/nfs/nfs3client.c14
-rw-r--r--fs/nfs/nfs4_fs.h1
-rw-r--r--fs/nfs/nfs4client.c26
-rw-r--r--fs/nfs/nfs4proc.c145
-rw-r--r--fs/nfs/nfs4state.c2
-rw-r--r--fs/nfs/pnfs.c45
-rw-r--r--fs/nfs/pnfs_nfs.c18
-rw-r--r--fs/nfs/read.c4
-rw-r--r--fs/nfs/super.c14
-rw-r--r--fs/nfs/write.c11
17 files changed, 233 insertions, 144 deletions
diff --git a/fs/nfs/blocklayout/extent_tree.c b/fs/nfs/blocklayout/extent_tree.c
index 720b3ff55fa9..992bcb19c11e 100644
--- a/fs/nfs/blocklayout/extent_tree.c
+++ b/fs/nfs/blocklayout/extent_tree.c
@@ -121,6 +121,16 @@ ext_try_to_merge_right(struct rb_root *root, struct pnfs_block_extent *be)
return be;
}
+static void __ext_put_deviceids(struct list_head *head)
+{
+ struct pnfs_block_extent *be, *tmp;
+
+ list_for_each_entry_safe(be, tmp, head, be_list) {
+ nfs4_put_deviceid_node(be->be_device);
+ kfree(be);
+ }
+}
+
static void
__ext_tree_insert(struct rb_root *root,
struct pnfs_block_extent *new, bool merge_ok)
@@ -163,7 +173,8 @@ free_new:
}
static int
-__ext_tree_remove(struct rb_root *root, sector_t start, sector_t end)
+__ext_tree_remove(struct rb_root *root,
+ sector_t start, sector_t end, struct list_head *tmp)
{
struct pnfs_block_extent *be;
sector_t len1 = 0, len2 = 0;
@@ -223,8 +234,7 @@ __ext_tree_remove(struct rb_root *root, sector_t start, sector_t end)
struct pnfs_block_extent *next = ext_tree_next(be);
rb_erase(&be->be_node, root);
- nfs4_put_deviceid_node(be->be_device);
- kfree(be);
+ list_add_tail(&be->be_list, tmp);
be = next;
}
@@ -350,16 +360,18 @@ int ext_tree_remove(struct pnfs_block_layout *bl, bool rw,
sector_t start, sector_t end)
{
int err, err2;
+ LIST_HEAD(tmp);
spin_lock(&bl->bl_ext_lock);
- err = __ext_tree_remove(&bl->bl_ext_ro, start, end);
+ err = __ext_tree_remove(&bl->bl_ext_ro, start, end, &tmp);
if (rw) {
- err2 = __ext_tree_remove(&bl->bl_ext_rw, start, end);
+ err2 = __ext_tree_remove(&bl->bl_ext_rw, start, end, &tmp);
if (!err)
err = err2;
}
spin_unlock(&bl->bl_ext_lock);
+ __ext_put_deviceids(&tmp);
return err;
}
@@ -396,12 +408,13 @@ ext_tree_mark_written(struct pnfs_block_layout *bl, sector_t start,
sector_t end = start + len;
struct pnfs_block_extent *be;
int err = 0;
+ LIST_HEAD(tmp);
spin_lock(&bl->bl_ext_lock);
/*
* First remove all COW extents or holes from written to range.
*/
- err = __ext_tree_remove(&bl->bl_ext_ro, start, end);
+ err = __ext_tree_remove(&bl->bl_ext_ro, start, end, &tmp);
if (err)
goto out;
@@ -459,6 +472,8 @@ ext_tree_mark_written(struct pnfs_block_layout *bl, sector_t start,
}
out:
spin_unlock(&bl->bl_ext_lock);
+
+ __ext_put_deviceids(&tmp);
return err;
}
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 0c96528db94a..4849d0f778dc 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -367,8 +367,6 @@ nfs_found_client(const struct nfs_client_initdata *cl_init,
*/
struct nfs_client *
nfs_get_client(const struct nfs_client_initdata *cl_init,
- const struct rpc_timeout *timeparms,
- const char *ip_addr,
rpc_authflavor_t authflavour)
{
struct nfs_client *clp, *new = NULL;
@@ -399,7 +397,7 @@ nfs_get_client(const struct nfs_client_initdata *cl_init,
&nn->nfs_client_list);
spin_unlock(&nn->nfs_client_lock);
new->cl_flags = cl_init->init_flags;
- return rpc_ops->init_client(new, timeparms, ip_addr);
+ return rpc_ops->init_client(new, cl_init);
}
spin_unlock(&nn->nfs_client_lock);
@@ -470,7 +468,7 @@ EXPORT_SYMBOL_GPL(nfs_init_timeout_values);
* Create an RPC client handle
*/
int nfs_create_rpc_client(struct nfs_client *clp,
- const struct rpc_timeout *timeparms,
+ const struct nfs_client_initdata *cl_init,
rpc_authflavor_t flavor)
{
struct rpc_clnt *clnt = NULL;
@@ -479,8 +477,9 @@ int nfs_create_rpc_client(struct nfs_client *clp,
.protocol = clp->cl_proto,
.address = (struct sockaddr *)&clp->cl_addr,
.addrsize = clp->cl_addrlen,
- .timeout = timeparms,
+ .timeout = cl_init->timeparms,
.servername = clp->cl_hostname,
+ .nodename = cl_init->nodename,
.program = &nfs_program,
.version = clp->rpc_ops->version,
.authflavor = flavor,
@@ -591,14 +590,12 @@ EXPORT_SYMBOL_GPL(nfs_init_server_rpcclient);
* nfs_init_client - Initialise an NFS2 or NFS3 client
*
* @clp: nfs_client to initialise
- * @timeparms: timeout parameters for underlying RPC transport
- * @ip_addr: IP presentation address (not used)
+ * @cl_init: Initialisation parameters
*
* Returns pointer to an NFS client, or an ERR_PTR value.
*/
struct nfs_client *nfs_init_client(struct nfs_client *clp,
- const struct rpc_timeout *timeparms,
- const char *ip_addr)
+ const struct nfs_client_initdata *cl_init)
{
int error;
@@ -612,7 +609,7 @@ struct nfs_client *nfs_init_client(struct nfs_client *clp,
* Create a client RPC handle for doing FSSTAT with UNIX auth only
* - RFC 2623, sec 2.3.2
*/
- error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX);
+ error = nfs_create_rpc_client(clp, cl_init, RPC_AUTH_UNIX);
if (error < 0)
goto error;
nfs_mark_client_ready(clp, NFS_CS_READY);
@@ -633,6 +630,7 @@ static int nfs_init_server(struct nfs_server *server,
const struct nfs_parsed_mount_data *data,
struct nfs_subversion *nfs_mod)
{
+ struct rpc_timeout timeparms;
struct nfs_client_initdata cl_init = {
.hostname = data->nfs_server.hostname,
.addr = (const struct sockaddr *)&data->nfs_server.address,
@@ -640,8 +638,8 @@ static int nfs_init_server(struct nfs_server *server,
.nfs_mod = nfs_mod,
.proto = data->nfs_server.protocol,
.net = data->net,
+ .timeparms = &timeparms,
};
- struct rpc_timeout timeparms;
struct nfs_client *clp;
int error;
@@ -653,7 +651,7 @@ static int nfs_init_server(struct nfs_server *server,
set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
/* Allocate or find a client reference we can use */
- clp = nfs_get_client(&cl_init, &timeparms, NULL, RPC_AUTH_UNIX);
+ clp = nfs_get_client(&cl_init, RPC_AUTH_UNIX);
if (IS_ERR(clp)) {
dprintk("<-- nfs_init_server() = error %ld\n", PTR_ERR(clp));
return PTR_ERR(clp);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 210b33636fe4..e2d606abc9e8 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -424,12 +424,17 @@ static int xdr_decode(nfs_readdir_descriptor_t *desc,
static
int nfs_same_file(struct dentry *dentry, struct nfs_entry *entry)
{
+ struct inode *inode;
struct nfs_inode *nfsi;
if (d_really_is_negative(dentry))
return 0;
- nfsi = NFS_I(d_inode(dentry));
+ inode = d_inode(dentry);
+ if (is_bad_inode(inode) || NFS_STALE(inode))
+ return 0;
+
+ nfsi = NFS_I(inode);
if (entry->fattr->fileid == nfsi->fileid)
return 1;
if (nfs_compare_fh(entry->fh, &nfsi->fh) == 0)
@@ -1363,7 +1368,6 @@ EXPORT_SYMBOL_GPL(nfs_dentry_operations);
struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags)
{
struct dentry *res;
- struct dentry *parent;
struct inode *inode = NULL;
struct nfs_fh *fhandle = NULL;
struct nfs_fattr *fattr = NULL;
@@ -1393,7 +1397,6 @@ struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned in
if (IS_ERR(label))
goto out;
- parent = dentry->d_parent;
/* Protect against concurrent sillydeletes */
trace_nfs_lookup_enter(dir, dentry, flags);
error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, fhandle, fattr, label);
@@ -1536,9 +1539,9 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
err = PTR_ERR(inode);
trace_nfs_atomic_open_exit(dir, ctx, open_flags, err);
put_nfs_open_context(ctx);
+ d_drop(dentry);
switch (err) {
case -ENOENT:
- d_drop(dentry);
d_add(dentry, NULL);
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
break;
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index c16d33eb1ddf..f0f4b8d3d83f 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -359,10 +359,12 @@ static ssize_t nfs_direct_wait(struct nfs_direct_req *dreq)
result = wait_for_completion_killable(&dreq->completion);
+ if (!result) {
+ result = dreq->count;
+ WARN_ON_ONCE(dreq->count < 0);
+ }
if (!result)
result = dreq->error;
- if (!result)
- result = dreq->count;
out:
return (ssize_t) result;
@@ -380,8 +382,10 @@ static void nfs_direct_complete(struct nfs_direct_req *dreq)
if (dreq->iocb) {
long res = (long) dreq->error;
- if (!res)
+ if (dreq->count != 0) {
res = (long) dreq->count;
+ WARN_ON_ONCE(dreq->count < 0);
+ }
dreq->iocb->ki_complete(dreq->iocb, res, 0);
}
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 039d58790629..7d620970f2e1 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -420,7 +420,7 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
return status;
NFS_I(mapping->host)->write_io += copied;
- if (nfs_ctx_key_to_expire(ctx)) {
+ if (nfs_ctx_key_to_expire(ctx, mapping->host)) {
status = nfs_wb_all(mapping->host);
if (status < 0)
return status;
@@ -613,7 +613,7 @@ static int nfs_need_check_write(struct file *filp, struct inode *inode)
ctx = nfs_file_open_context(filp);
if (test_bit(NFS_CONTEXT_ERROR_WRITE, &ctx->flags) ||
- nfs_ctx_key_to_expire(ctx))
+ nfs_ctx_key_to_expire(ctx, inode))
return 1;
return 0;
}
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 9df45832e28b..f108d58101f8 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -282,6 +282,7 @@ nfs_init_locked(struct inode *inode, void *opaque)
struct nfs_fattr *fattr = desc->fattr;
set_nfs_fileid(inode, fattr->fileid);
+ inode->i_mode = fattr->mode;
nfs_copy_fh(NFS_FH(inode), desc->fh);
return 0;
}
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 3b01c9146e15..8de509b65e8d 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -66,13 +66,16 @@ struct nfs_clone_mount {
struct nfs_client_initdata {
unsigned long init_flags;
- const char *hostname;
- const struct sockaddr *addr;
+ const char *hostname; /* Hostname of the server */
+ const struct sockaddr *addr; /* Address of the server */
+ const char *nodename; /* Hostname of the client */
+ const char *ip_addr; /* IP address of the client */
size_t addrlen;
struct nfs_subversion *nfs_mod;
int proto;
u32 minorversion;
struct net *net;
+ const struct rpc_timeout *timeparms;
};
/*
@@ -147,9 +150,8 @@ extern void nfs_umount(const struct nfs_mount_request *info);
extern const struct rpc_program nfs_program;
extern void nfs_clients_init(struct net *net);
extern struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *);
-int nfs_create_rpc_client(struct nfs_client *, const struct rpc_timeout *, rpc_authflavor_t);
+int nfs_create_rpc_client(struct nfs_client *, const struct nfs_client_initdata *, rpc_authflavor_t);
struct nfs_client *nfs_get_client(const struct nfs_client_initdata *,
- const struct rpc_timeout *, const char *,
rpc_authflavor_t);
int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *, struct nfs_fattr *);
void nfs_server_insert_lists(struct nfs_server *);
@@ -184,7 +186,7 @@ extern struct nfs_server *nfs_clone_server(struct nfs_server *,
rpc_authflavor_t);
extern int nfs_wait_client_init_complete(const struct nfs_client *clp);
extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
-extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
+extern struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
const struct sockaddr *ds_addr,
int ds_addrlen, int ds_proto,
unsigned int ds_timeo,
@@ -193,7 +195,7 @@ extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
rpc_authflavor_t au_flavor);
extern struct rpc_clnt *nfs4_find_or_create_ds_client(struct nfs_client *,
struct inode *);
-extern struct nfs_client *nfs3_set_ds_client(struct nfs_client *mds_clp,
+extern struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv,
const struct sockaddr *ds_addr, int ds_addrlen,
int ds_proto, unsigned int ds_timeo,
unsigned int ds_retrans, rpc_authflavor_t au_flavor);
@@ -338,8 +340,7 @@ nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src)
/* proc.c */
void nfs_close_context(struct nfs_open_context *ctx, int is_sync);
extern struct nfs_client *nfs_init_client(struct nfs_client *clp,
- const struct rpc_timeout *timeparms,
- const char *ip_addr);
+ const struct nfs_client_initdata *);
/* dir.c */
extern void nfs_force_use_readdirplus(struct inode *dir);
@@ -509,7 +510,7 @@ void nfs_init_cinfo(struct nfs_commit_info *cinfo,
struct inode *inode,
struct nfs_direct_req *dreq);
int nfs_key_timeout_notify(struct file *filp, struct inode *inode);
-bool nfs_ctx_key_to_expire(struct nfs_open_context *ctx);
+bool nfs_ctx_key_to_expire(struct nfs_open_context *ctx, struct inode *inode);
void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio);
int nfs_filemap_write_and_wait_range(struct address_space *mapping,
@@ -561,8 +562,7 @@ extern ssize_t nfs_dreq_bytes_left(struct nfs_direct_req *dreq);
/* nfs4proc.c */
extern void __nfs4_read_done_cb(struct nfs_pgio_header *);
extern struct nfs_client *nfs4_init_client(struct nfs_client *clp,
- const struct rpc_timeout *timeparms,
- const char *ip_addr);
+ const struct nfs_client_initdata *);
extern int nfs40_walk_client_list(struct nfs_client *clp,
struct nfs_client **result,
struct rpc_cred *cred);
diff --git a/fs/nfs/nfs3client.c b/fs/nfs/nfs3client.c
index 9e9fa347a948..ee753547fb0a 100644
--- a/fs/nfs/nfs3client.c
+++ b/fs/nfs/nfs3client.c
@@ -76,19 +76,23 @@ struct nfs_server *nfs3_clone_server(struct nfs_server *source,
* low timeout interval so that if a connection is lost, we retry through
* the MDS.
*/
-struct nfs_client *nfs3_set_ds_client(struct nfs_client *mds_clp,
+struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv,
const struct sockaddr *ds_addr, int ds_addrlen,
int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,
rpc_authflavor_t au_flavor)
{
+ struct rpc_timeout ds_timeout;
+ struct nfs_client *mds_clp = mds_srv->nfs_client;
struct nfs_client_initdata cl_init = {
.addr = ds_addr,
.addrlen = ds_addrlen,
+ .nodename = mds_clp->cl_rpcclient->cl_nodename,
+ .ip_addr = mds_clp->cl_ipaddr,
.nfs_mod = &nfs_v3,
.proto = ds_proto,
.net = mds_clp->cl_net,
+ .timeparms = &ds_timeout,
};
- struct rpc_timeout ds_timeout;
struct nfs_client *clp;
char buf[INET6_ADDRSTRLEN + 1];
@@ -97,10 +101,12 @@ struct nfs_client *nfs3_set_ds_client(struct nfs_client *mds_clp,
return ERR_PTR(-EINVAL);
cl_init.hostname = buf;
+ if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
+ set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
+
/* Use the MDS nfs_client cl_ipaddr. */
nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans);
- clp = nfs_get_client(&cl_init, &ds_timeout, mds_clp->cl_ipaddr,
- au_flavor);
+ clp = nfs_get_client(&cl_init, au_flavor);
return clp;
}
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 768456fa1b17..4be567a54958 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -185,6 +185,7 @@ struct nfs4_state {
struct nfs4_exception {
struct nfs4_state *state;
struct inode *inode;
+ nfs4_stateid *stateid;
long timeout;
unsigned char delay : 1,
recovering : 1,
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 10410e8b5853..8d7d08d4f95f 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -349,10 +349,10 @@ static int nfs4_init_client_minor_version(struct nfs_client *clp)
* Returns pointer to an NFS client, or an ERR_PTR value.
*/
struct nfs_client *nfs4_init_client(struct nfs_client *clp,
- const struct rpc_timeout *timeparms,
- const char *ip_addr)
+ const struct nfs_client_initdata *cl_init)
{
char buf[INET6_ADDRSTRLEN + 1];
+ const char *ip_addr = cl_init->ip_addr;
struct nfs_client *old;
int error;
@@ -370,9 +370,9 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp,
__set_bit(NFS_CS_DISCRTRY, &clp->cl_flags);
__set_bit(NFS_CS_NO_RETRANS_TIMEOUT, &clp->cl_flags);
- error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_GSS_KRB5I);
+ error = nfs_create_rpc_client(clp, cl_init, RPC_AUTH_GSS_KRB5I);
if (error == -EINVAL)
- error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX);
+ error = nfs_create_rpc_client(clp, cl_init, RPC_AUTH_UNIX);
if (error < 0)
goto error;
@@ -793,10 +793,12 @@ static int nfs4_set_client(struct nfs_server *server,
.hostname = hostname,
.addr = addr,
.addrlen = addrlen,
+ .ip_addr = ip_addr,
.nfs_mod = &nfs_v4,
.proto = proto,
.minorversion = minorversion,
.net = net,
+ .timeparms = timeparms,
};
struct nfs_client *clp;
int error;
@@ -809,7 +811,7 @@ static int nfs4_set_client(struct nfs_server *server,
set_bit(NFS_CS_MIGRATION, &cl_init.init_flags);
/* Allocate or find a client reference we can use */
- clp = nfs_get_client(&cl_init, timeparms, ip_addr, authflavour);
+ clp = nfs_get_client(&cl_init, authflavour);
if (IS_ERR(clp)) {
error = PTR_ERR(clp);
goto error;
@@ -842,20 +844,24 @@ error:
* low timeout interval so that if a connection is lost, we retry through
* the MDS.
*/
-struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
+struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
const struct sockaddr *ds_addr, int ds_addrlen,
int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,
u32 minor_version, rpc_authflavor_t au_flavor)
{
+ struct rpc_timeout ds_timeout;
+ struct nfs_client *mds_clp = mds_srv->nfs_client;
struct nfs_client_initdata cl_init = {
.addr = ds_addr,
.addrlen = ds_addrlen,
+ .nodename = mds_clp->cl_rpcclient->cl_nodename,
+ .ip_addr = mds_clp->cl_ipaddr,
.nfs_mod = &nfs_v4,
.proto = ds_proto,
.minorversion = minor_version,
.net = mds_clp->cl_net,
+ .timeparms = &ds_timeout,
};
- struct rpc_timeout ds_timeout;
struct nfs_client *clp;
char buf[INET6_ADDRSTRLEN + 1];
@@ -863,14 +869,16 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
return ERR_PTR(-EINVAL);
cl_init.hostname = buf;
+ if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
+ __set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
+
/*
* Set an authflavor equual to the MDS value. Use the MDS nfs_client
* cl_ipaddr so as to use the same EXCHANGE_ID co_ownerid as the MDS
* (section 13.1 RFC 5661).
*/
nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans);
- clp = nfs_get_client(&cl_init, &ds_timeout, mds_clp->cl_ipaddr,
- au_flavor);
+ clp = nfs_get_client(&cl_init, au_flavor);
dprintk("<-- %s %p\n", __func__, clp);
return clp;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index de97567795a5..a1a3b4c9a563 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -363,6 +363,7 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
{
struct nfs_client *clp = server->nfs_client;
struct nfs4_state *state = exception->state;
+ const nfs4_stateid *stateid = exception->stateid;
struct inode *inode = exception->inode;
int ret = errorcode;
@@ -376,9 +377,18 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_BAD_STATEID:
- if (inode && nfs_async_inode_return_delegation(inode,
- NULL) == 0)
- goto wait_on_recovery;
+ if (inode) {
+ int err;
+
+ err = nfs_async_inode_return_delegation(inode,
+ stateid);
+ if (err == 0)
+ goto wait_on_recovery;
+ if (stateid != NULL && stateid->type == NFS4_DELEGATION_STATEID_TYPE) {
+ exception->retry = 1;
+ break;
+ }
+ }
if (state == NULL)
break;
ret = nfs4_schedule_stateid_recovery(server, state);
@@ -427,6 +437,7 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
case -NFS4ERR_DELAY:
nfs_inc_server_stats(server, NFSIOS_DELAY);
case -NFS4ERR_GRACE:
+ case -NFS4ERR_LAYOUTTRYLATER:
case -NFS4ERR_RECALLCONFLICT:
exception->delay = 1;
return 0;
@@ -2669,28 +2680,17 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
return res;
}
-static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
- struct nfs_fattr *fattr, struct iattr *sattr,
- struct nfs4_state *state, struct nfs4_label *ilabel,
- struct nfs4_label *olabel)
+static int _nfs4_do_setattr(struct inode *inode,
+ struct nfs_setattrargs *arg,
+ struct nfs_setattrres *res,
+ struct rpc_cred *cred,
+ struct nfs4_state *state)
{
struct nfs_server *server = NFS_SERVER(inode);
- struct nfs_setattrargs arg = {
- .fh = NFS_FH(inode),
- .iap = sattr,
- .server = server,
- .bitmask = server->attr_bitmask,
- .label = ilabel,
- };
- struct nfs_setattrres res = {
- .fattr = fattr,
- .label = olabel,
- .server = server,
- };
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SETATTR],
- .rpc_argp = &arg,
- .rpc_resp = &res,
+ .rpc_argp = arg,
+ .rpc_resp = res,
.rpc_cred = cred,
};
struct rpc_cred *delegation_cred = NULL;
@@ -2699,17 +2699,13 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
bool truncate;
int status;
- arg.bitmask = nfs4_bitmask(server, ilabel);
- if (ilabel)
- arg.bitmask = nfs4_bitmask(server, olabel);
-
- nfs_fattr_init(fattr);
+ nfs_fattr_init(res->fattr);
/* Servers should only apply open mode checks for file size changes */
- truncate = (sattr->ia_valid & ATTR_SIZE) ? true : false;
+ truncate = (arg->iap->ia_valid & ATTR_SIZE) ? true : false;
fmode = truncate ? FMODE_WRITE : FMODE_READ;
- if (nfs4_copy_delegation_stateid(inode, fmode, &arg.stateid, &delegation_cred)) {
+ if (nfs4_copy_delegation_stateid(inode, fmode, &arg->stateid, &delegation_cred)) {
/* Use that stateid */
} else if (truncate && state != NULL) {
struct nfs_lockowner lockowner = {
@@ -2719,19 +2715,19 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
if (!nfs4_valid_open_stateid(state))
return -EBADF;
if (nfs4_select_rw_stateid(state, FMODE_WRITE, &lockowner,
- &arg.stateid, &delegation_cred) == -EIO)
+ &arg->stateid, &delegation_cred) == -EIO)
return -EBADF;
} else
- nfs4_stateid_copy(&arg.stateid, &zero_stateid);
+ nfs4_stateid_copy(&arg->stateid, &zero_stateid);
if (delegation_cred)
msg.rpc_cred = delegation_cred;
- status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
+ status = nfs4_call_sync(server->client, server, &msg, &arg->seq_args, &res->seq_res, 1);
put_rpccred(delegation_cred);
if (status == 0 && state != NULL)
renew_lease(server, timestamp);
- trace_nfs4_setattr(inode, &arg.stateid, status);
+ trace_nfs4_setattr(inode, &arg->stateid, status);
return status;
}
@@ -2741,13 +2737,31 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs4_label *olabel)
{
struct nfs_server *server = NFS_SERVER(inode);
+ struct nfs_setattrargs arg = {
+ .fh = NFS_FH(inode),
+ .iap = sattr,
+ .server = server,
+ .bitmask = server->attr_bitmask,
+ .label = ilabel,
+ };
+ struct nfs_setattrres res = {
+ .fattr = fattr,
+ .label = olabel,
+ .server = server,
+ };
struct nfs4_exception exception = {
.state = state,
.inode = inode,
+ .stateid = &arg.stateid,
};
int err;
+
+ arg.bitmask = nfs4_bitmask(server, ilabel);
+ if (ilabel)
+ arg.bitmask = nfs4_bitmask(server, olabel);
+
do {
- err = _nfs4_do_setattr(inode, cred, fattr, sattr, state, ilabel, olabel);
+ err = _nfs4_do_setattr(inode, &arg, &res, cred, state);
switch (err) {
case -NFS4ERR_OPENMODE:
if (!(sattr->ia_valid & ATTR_SIZE)) {
@@ -2882,12 +2896,11 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
call_close |= is_wronly;
else if (is_wronly)
calldata->arg.fmode |= FMODE_WRITE;
+ if (calldata->arg.fmode != (FMODE_READ|FMODE_WRITE))
+ call_close |= is_rdwr;
} else if (is_rdwr)
calldata->arg.fmode |= FMODE_READ|FMODE_WRITE;
- if (calldata->arg.fmode == 0)
- call_close |= is_rdwr;
-
if (!nfs4_valid_open_stateid(state))
call_close = 0;
spin_unlock(&state->owner->so_lock);
@@ -4393,7 +4406,8 @@ static void nfs4_proc_read_setup(struct nfs_pgio_header *hdr,
struct rpc_message *msg)
{
hdr->timestamp = jiffies;
- hdr->pgio_done_cb = nfs4_read_done_cb;
+ if (!hdr->pgio_done_cb)
+ hdr->pgio_done_cb = nfs4_read_done_cb;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ];
nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 0);
}
@@ -7870,11 +7884,13 @@ nfs4_layoutget_handle_exception(struct rpc_task *task,
struct inode *inode = lgp->args.inode;
struct nfs_server *server = NFS_SERVER(inode);
struct pnfs_layout_hdr *lo;
- int status = task->tk_status;
+ int nfs4err = task->tk_status;
+ int err, status = 0;
+ LIST_HEAD(head);
dprintk("--> %s tk_status => %d\n", __func__, -task->tk_status);
- switch (status) {
+ switch (nfs4err) {
case 0:
goto out;
@@ -7906,45 +7922,43 @@ nfs4_layoutget_handle_exception(struct rpc_task *task,
status = -EOVERFLOW;
goto out;
}
- /* Fallthrough */
+ status = -EBUSY;
+ break;
case -NFS4ERR_RECALLCONFLICT:
- nfs4_handle_exception(server, -NFS4ERR_RECALLCONFLICT,
- exception);
status = -ERECALLCONFLICT;
- goto out;
+ break;
case -NFS4ERR_EXPIRED:
case -NFS4ERR_BAD_STATEID:
exception->timeout = 0;
spin_lock(&inode->i_lock);
- if (nfs4_stateid_match(&lgp->args.stateid,
+ lo = NFS_I(inode)->layout;
+ /* If the open stateid was bad, then recover it. */
+ if (!lo || test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags) ||
+ nfs4_stateid_match_other(&lgp->args.stateid,
&lgp->args.ctx->state->stateid)) {
spin_unlock(&inode->i_lock);
- /* If the open stateid was bad, then recover it. */
exception->state = lgp->args.ctx->state;
break;
}
- lo = NFS_I(inode)->layout;
- if (lo && nfs4_stateid_match(&lgp->args.stateid,
- &lo->plh_stateid)) {
- LIST_HEAD(head);
-
- /*
- * Mark the bad layout state as invalid, then retry
- * with the current stateid.
- */
- set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
- pnfs_mark_matching_lsegs_invalid(lo, &head, NULL, 0);
- spin_unlock(&inode->i_lock);
- pnfs_free_lseg_list(&head);
- } else
- spin_unlock(&inode->i_lock);
+
+ /*
+ * Mark the bad layout state as invalid, then retry
+ */
+ set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
+ pnfs_mark_matching_lsegs_invalid(lo, &head, NULL, 0);
+ spin_unlock(&inode->i_lock);
+ pnfs_free_lseg_list(&head);
status = -EAGAIN;
goto out;
}
- status = nfs4_handle_exception(server, status, exception);
- if (exception->retry)
- status = -EAGAIN;
+ err = nfs4_handle_exception(server, nfs4err, exception);
+ if (!status) {
+ if (exception->retry)
+ status = -EAGAIN;
+ else
+ status = err;
+ }
out:
dprintk("<-- %s\n", __func__);
return status;
@@ -8036,7 +8050,10 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout, gfp_t gfp_flags)
.flags = RPC_TASK_ASYNC,
};
struct pnfs_layout_segment *lseg = NULL;
- struct nfs4_exception exception = { .timeout = *timeout };
+ struct nfs4_exception exception = {
+ .inode = inode,
+ .timeout = *timeout,
+ };
int status = 0;
dprintk("--> %s\n", __func__);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 9679f4749364..834b875900d6 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1488,9 +1488,9 @@ restart:
}
spin_unlock(&state->state_lock);
}
- nfs4_put_open_state(state);
clear_bit(NFS_STATE_RECLAIM_NOGRACE,
&state->flags);
+ nfs4_put_open_state(state);
spin_lock(&sp->so_lock);
goto restart;
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 62553182514e..4110c1dc8f68 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -361,8 +361,10 @@ pnfs_layout_remove_lseg(struct pnfs_layout_hdr *lo,
list_del_init(&lseg->pls_list);
/* Matched by pnfs_get_layout_hdr in pnfs_layout_insert_lseg */
atomic_dec(&lo->plh_refcount);
- if (list_empty(&lo->plh_segs))
+ if (list_empty(&lo->plh_segs)) {
+ set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
clear_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags);
+ }
rpc_wake_up(&NFS_SERVER(inode)->roc_rpcwaitq);
}
@@ -1290,6 +1292,7 @@ alloc_init_layout_hdr(struct inode *ino,
INIT_LIST_HEAD(&lo->plh_bulk_destroy);
lo->plh_inode = ino;
lo->plh_lc_cred = get_rpccred(ctx->cred);
+ lo->plh_flags |= 1 << NFS_LAYOUT_INVALID_STID;
return lo;
}
@@ -1297,6 +1300,8 @@ static struct pnfs_layout_hdr *
pnfs_find_alloc_layout(struct inode *ino,
struct nfs_open_context *ctx,
gfp_t gfp_flags)
+ __releases(&ino->i_lock)
+ __acquires(&ino->i_lock)
{
struct nfs_inode *nfsi = NFS_I(ino);
struct pnfs_layout_hdr *new = NULL;
@@ -1500,7 +1505,7 @@ pnfs_update_layout(struct inode *ino,
struct pnfs_layout_segment *lseg = NULL;
nfs4_stateid stateid;
long timeout = 0;
- unsigned long giveup = jiffies + rpc_get_timeout(server->client);
+ unsigned long giveup = jiffies + (clp->cl_lease_time << 1);
bool first;
if (!pnfs_enabled_sb(NFS_SERVER(ino))) {
@@ -1565,8 +1570,7 @@ lookup_again:
* stateid, or it has been invalidated, then we must use the open
* stateid.
*/
- if (lo->plh_stateid.seqid == 0 ||
- test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags)) {
+ if (test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags)) {
/*
* The first layoutget for the file. Need to serialize per
@@ -1641,33 +1645,44 @@ lookup_again:
lseg = send_layoutget(lo, ctx, &stateid, &arg, &timeout, gfp_flags);
trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET);
+ atomic_dec(&lo->plh_outstanding);
if (IS_ERR(lseg)) {
switch(PTR_ERR(lseg)) {
- case -ERECALLCONFLICT:
+ case -EBUSY:
if (time_after(jiffies, giveup))
lseg = NULL;
- /* Fallthrough */
- case -EAGAIN:
- pnfs_put_layout_hdr(lo);
- if (first)
- pnfs_clear_first_layoutget(lo);
- if (lseg) {
- trace_pnfs_update_layout(ino, pos, count,
- iomode, lo, lseg, PNFS_UPDATE_LAYOUT_RETRY);
- goto lookup_again;
+ break;
+ case -ERECALLCONFLICT:
+ /* Huh? We hold no layouts, how is there a recall? */
+ if (first) {
+ lseg = NULL;
+ break;
}
+ /* Destroy the existing layout and start over */
+ if (time_after(jiffies, giveup))
+ pnfs_destroy_layout(NFS_I(ino));
/* Fallthrough */
+ case -EAGAIN:
+ break;
default:
if (!nfs_error_is_fatal(PTR_ERR(lseg))) {
pnfs_layout_clear_fail_bit(lo, pnfs_iomode_to_fail_bit(iomode));
lseg = NULL;
}
+ goto out_put_layout_hdr;
+ }
+ if (lseg) {
+ if (first)
+ pnfs_clear_first_layoutget(lo);
+ trace_pnfs_update_layout(ino, pos, count,
+ iomode, lo, lseg, PNFS_UPDATE_LAYOUT_RETRY);
+ pnfs_put_layout_hdr(lo);
+ goto lookup_again;
}
} else {
pnfs_layout_clear_fail_bit(lo, pnfs_iomode_to_fail_bit(iomode));
}
- atomic_dec(&lo->plh_outstanding);
out_put_layout_hdr:
if (first)
pnfs_clear_first_layoutget(lo);
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 0d10cc280a23..f3468b57a32a 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -247,7 +247,11 @@ void pnfs_fetch_commit_bucket_list(struct list_head *pages,
}
/* Helper function for pnfs_generic_commit_pagelist to catch an empty
- * page list. This can happen when two commits race. */
+ * page list. This can happen when two commits race.
+ *
+ * This must be called instead of nfs_init_commit - call one or the other, but
+ * not both!
+ */
static bool
pnfs_generic_commit_cancel_empty_pagelist(struct list_head *pages,
struct nfs_commit_data *data,
@@ -256,7 +260,11 @@ pnfs_generic_commit_cancel_empty_pagelist(struct list_head *pages,
if (list_empty(pages)) {
if (atomic_dec_and_test(&cinfo->mds->rpcs_out))
wake_up_atomic_t(&cinfo->mds->rpcs_out);
- nfs_commitdata_release(data);
+ /* don't call nfs_commitdata_release - it tries to put
+ * the open_context which is not acquired until nfs_init_commit
+ * which has not been called on @data */
+ WARN_ON_ONCE(data->context);
+ nfs_commit_free(data);
return true;
}
@@ -587,7 +595,7 @@ static void nfs4_clear_ds_conn_bit(struct nfs4_pnfs_ds *ds)
}
static struct nfs_client *(*get_v3_ds_connect)(
- struct nfs_client *mds_clp,
+ struct nfs_server *mds_srv,
const struct sockaddr *ds_addr,
int ds_addrlen,
int ds_proto,
@@ -646,7 +654,7 @@ static int _nfs4_pnfs_v3_ds_connect(struct nfs_server *mds_srv,
rpc_clnt_add_xprt(clp->cl_rpcclient, &xprt_args,
rpc_clnt_test_and_add_xprt, NULL);
} else
- clp = get_v3_ds_connect(mds_srv->nfs_client,
+ clp = get_v3_ds_connect(mds_srv,
(struct sockaddr *)&da->da_addr,
da->da_addrlen, IPPROTO_TCP,
timeo, retrans, au_flavor);
@@ -682,7 +690,7 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv,
dprintk("%s: DS %s: trying address %s\n",
__func__, ds->ds_remotestr, da->da_remotestr);
- clp = nfs4_set_ds_client(mds_srv->nfs_client,
+ clp = nfs4_set_ds_client(mds_srv,
(struct sockaddr *)&da->da_addr,
da->da_addrlen, IPPROTO_TCP,
timeo, retrans, minor_version,
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 6776d7a7839e..572e5b3b06f1 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -367,13 +367,13 @@ readpage_async_filler(void *data, struct page *page)
nfs_list_remove_request(new);
nfs_readpage_release(new);
error = desc->pgio->pg_error;
- goto out_unlock;
+ goto out;
}
return 0;
out_error:
error = PTR_ERR(new);
-out_unlock:
unlock_page(page);
+out:
return error;
}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 2137e0202f25..18d446e1a82b 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1684,6 +1684,7 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args,
{
rpc_authflavor_t flavor = RPC_AUTH_MAXFLAVOR;
unsigned int i;
+ int use_auth_null = false;
/*
* If the sec= mount option is used, the specified flavor or AUTH_NULL
@@ -1691,14 +1692,21 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args,
*
* AUTH_NULL has a special meaning when it's in the server list - it
* means that the server will ignore the rpc creds, so any flavor
- * can be used.
+ * can be used but still use the sec= that was specified.
*/
for (i = 0; i < count; i++) {
flavor = server_authlist[i];
- if (nfs_auth_info_match(&args->auth_info, flavor) ||
- flavor == RPC_AUTH_NULL)
+ if (nfs_auth_info_match(&args->auth_info, flavor))
goto out;
+
+ if (flavor == RPC_AUTH_NULL)
+ use_auth_null = true;
+ }
+
+ if (use_auth_null) {
+ flavor = RPC_AUTH_NULL;
+ goto out;
}
dfprintk(MOUNT,
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 538a473b324b..510c5befdf9b 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1184,9 +1184,11 @@ nfs_key_timeout_notify(struct file *filp, struct inode *inode)
/*
* Test if the open context credential key is marked to expire soon.
*/
-bool nfs_ctx_key_to_expire(struct nfs_open_context *ctx)
+bool nfs_ctx_key_to_expire(struct nfs_open_context *ctx, struct inode *inode)
{
- return rpcauth_cred_key_to_expire(ctx->cred);
+ struct rpc_auth *auth = NFS_SERVER(inode)->client->cl_auth;
+
+ return rpcauth_cred_key_to_expire(auth, ctx->cred);
}
/*
@@ -1278,6 +1280,9 @@ int nfs_updatepage(struct file *file, struct page *page,
dprintk("NFS: nfs_updatepage(%pD2 %d@%lld)\n",
file, count, (long long)(page_file_offset(page) + offset));
+ if (!count)
+ goto out;
+
if (nfs_can_extend_write(file, page, inode)) {
count = max(count + offset, nfs_page_length(page));
offset = 0;
@@ -1288,7 +1293,7 @@ int nfs_updatepage(struct file *file, struct page *page,
nfs_set_pageerror(page);
else
__set_page_dirty_nobuffers(page);
-
+out:
dprintk("NFS: nfs_updatepage returns %d (isize %lld)\n",
status, (long long)i_size_read(inode));
return status;