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authorYan, Zheng2016-02-03 21:24:49 +0800
committerIlya Dryomov2016-07-28 02:55:36 +0200
commit7627151ea30bce2051e3cb27d7bb2c30083f86a5 (patch)
tree8a4c9422b30c3e50eb76923c746747f4e09d0bb5 /fs/ceph
parent22748f9d617b8cd0a915c3a4c656c7232645b3b5 (diff)
libceph: define new ceph_file_layout structure
Define new ceph_file_layout structure and rename old ceph_file_layout to ceph_file_layout_legacy. This is preparation for adding namespace to ceph_file_layout structure. Signed-off-by: Yan, Zheng <zyan@redhat.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/addr.c18
-rw-r--r--fs/ceph/caps.c5
-rw-r--r--fs/ceph/file.c6
-rw-r--r--fs/ceph/inode.c7
-rw-r--r--fs/ceph/ioctl.c22
-rw-r--r--fs/ceph/mds_client.h2
-rw-r--r--fs/ceph/xattr.c28
7 files changed, 43 insertions, 45 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 26a9d10d75e9..3f8efd866fec 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1730,7 +1730,7 @@ enum {
POOL_WRITE = 2,
};
-static int __ceph_pool_perm_get(struct ceph_inode_info *ci, u32 pool)
+static int __ceph_pool_perm_get(struct ceph_inode_info *ci, s64 pool)
{
struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->vfs_inode);
struct ceph_mds_client *mdsc = fsc->mdsc;
@@ -1757,7 +1757,7 @@ static int __ceph_pool_perm_get(struct ceph_inode_info *ci, u32 pool)
if (*p)
goto out;
- dout("__ceph_pool_perm_get pool %u no perm cached\n", pool);
+ dout("__ceph_pool_perm_get pool %lld no perm cached\n", pool);
down_write(&mdsc->pool_perm_rwsem);
parent = NULL;
@@ -1860,13 +1860,13 @@ out_unlock:
out:
if (!err)
err = have;
- dout("__ceph_pool_perm_get pool %u result = %d\n", pool, err);
+ dout("__ceph_pool_perm_get pool %lld result = %d\n", pool, err);
return err;
}
int ceph_pool_perm_check(struct ceph_inode_info *ci, int need)
{
- u32 pool;
+ s64 pool;
int ret, flags;
/* does not support pool namespace yet */
@@ -1879,17 +1879,17 @@ int ceph_pool_perm_check(struct ceph_inode_info *ci, int need)
spin_lock(&ci->i_ceph_lock);
flags = ci->i_ceph_flags;
- pool = ceph_file_layout_pg_pool(ci->i_layout);
+ pool = ci->i_layout.pool_id;
spin_unlock(&ci->i_ceph_lock);
check:
if (flags & CEPH_I_POOL_PERM) {
if ((need & CEPH_CAP_FILE_RD) && !(flags & CEPH_I_POOL_RD)) {
- dout("ceph_pool_perm_check pool %u no read perm\n",
+ dout("ceph_pool_perm_check pool %lld no read perm\n",
pool);
return -EPERM;
}
if ((need & CEPH_CAP_FILE_WR) && !(flags & CEPH_I_POOL_WR)) {
- dout("ceph_pool_perm_check pool %u no write perm\n",
+ dout("ceph_pool_perm_check pool %lld no write perm\n",
pool);
return -EPERM;
}
@@ -1907,10 +1907,10 @@ check:
flags |= CEPH_I_POOL_WR;
spin_lock(&ci->i_ceph_lock);
- if (pool == ceph_file_layout_pg_pool(ci->i_layout)) {
+ if (pool == ci->i_layout.pool_id) {
ci->i_ceph_flags = flags;
} else {
- pool = ceph_file_layout_pg_pool(ci->i_layout);
+ pool = ci->i_layout.pool_id;
flags = ci->i_ceph_flags;
}
spin_unlock(&ci->i_ceph_lock);
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 6f60d0a3d0f9..f24722dce167 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2895,8 +2895,11 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc,
if (newcaps & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR)) {
/* file layout may have changed */
- ci->i_layout = grant->layout;
+ s64 old_pool = ci->i_layout.pool_id;
+ ceph_file_layout_from_legacy(&ci->i_layout, &grant->layout);
ci->i_pool_ns_len = pool_ns_len;
+ if (ci->i_layout.pool_id != old_pool)
+ ci->i_ceph_flags &= ~CEPH_I_POOL_PERM;
/* size/truncate_seq? */
queue_trunc = ceph_fill_file_size(inode, issued,
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 0daaf7ceedc5..cba5dcf49a65 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1583,9 +1583,9 @@ static int ceph_zero_objects(struct inode *inode, loff_t offset, loff_t length)
{
int ret = 0;
struct ceph_inode_info *ci = ceph_inode(inode);
- s32 stripe_unit = ceph_file_layout_su(ci->i_layout);
- s32 stripe_count = ceph_file_layout_stripe_count(ci->i_layout);
- s32 object_size = ceph_file_layout_object_size(ci->i_layout);
+ s32 stripe_unit = ci->i_layout.stripe_unit;
+ s32 stripe_count = ci->i_layout.stripe_count;
+ s32 object_size = ci->i_layout.object_size;
u64 object_set_size = object_size * stripe_count;
u64 nearly, t;
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index f059b5997072..6c5903e0a976 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -814,10 +814,11 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
if (new_version ||
(new_issued & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR))) {
- if (ci->i_layout.fl_pg_pool != info->layout.fl_pg_pool)
- ci->i_ceph_flags &= ~CEPH_I_POOL_PERM;
- ci->i_layout = info->layout;
+ s64 old_pool = ci->i_layout.pool_id;
+ ceph_file_layout_from_legacy(&ci->i_layout, &info->layout);
ci->i_pool_ns_len = iinfo->pool_ns_len;
+ if (ci->i_layout.pool_id != old_pool)
+ ci->i_ceph_flags &= ~CEPH_I_POOL_PERM;
queue_trunc = ceph_fill_file_size(inode, issued,
le32_to_cpu(info->truncate_seq),
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index 0946f2d4a81f..843dd31a02cd 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -21,10 +21,10 @@ static long ceph_ioctl_get_layout(struct file *file, void __user *arg)
err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT, false);
if (!err) {
- l.stripe_unit = ceph_file_layout_su(ci->i_layout);
- l.stripe_count = ceph_file_layout_stripe_count(ci->i_layout);
- l.object_size = ceph_file_layout_object_size(ci->i_layout);
- l.data_pool = le32_to_cpu(ci->i_layout.fl_pg_pool);
+ l.stripe_unit = ci->i_layout.stripe_unit;
+ l.stripe_count = ci->i_layout.stripe_count;
+ l.object_size = ci->i_layout.object_size;
+ l.data_pool = ci->i_layout.pool_id;
l.preferred_osd = (s32)-1;
if (copy_to_user(arg, &l, sizeof(l)))
return -EFAULT;
@@ -82,19 +82,19 @@ static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
if (l.stripe_count)
nl.stripe_count = l.stripe_count;
else
- nl.stripe_count = ceph_file_layout_stripe_count(ci->i_layout);
+ nl.stripe_count = ci->i_layout.stripe_count;
if (l.stripe_unit)
nl.stripe_unit = l.stripe_unit;
else
- nl.stripe_unit = ceph_file_layout_su(ci->i_layout);
+ nl.stripe_unit = ci->i_layout.stripe_unit;
if (l.object_size)
nl.object_size = l.object_size;
else
- nl.object_size = ceph_file_layout_object_size(ci->i_layout);
+ nl.object_size = ci->i_layout.object_size;
if (l.data_pool)
nl.data_pool = l.data_pool;
else
- nl.data_pool = ceph_file_layout_pg_pool(ci->i_layout);
+ nl.data_pool = ci->i_layout.pool_id;
/* this is obsolete, and always -1 */
nl.preferred_osd = le64_to_cpu(-1);
@@ -202,8 +202,8 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
return -EIO;
}
dl.file_offset -= dl.object_offset;
- dl.object_size = ceph_file_layout_object_size(ci->i_layout);
- dl.block_size = ceph_file_layout_su(ci->i_layout);
+ dl.object_size = ci->i_layout.object_size;
+ dl.block_size = ci->i_layout.stripe_unit;
/* block_offset = object_offset % block_size */
tmp = dl.object_offset;
@@ -212,7 +212,7 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
snprintf(dl.object_name, sizeof(dl.object_name), "%llx.%08llx",
ceph_ino(inode), dl.object_no);
- oloc.pool = ceph_file_layout_pg_pool(ci->i_layout);
+ oloc.pool = ci->i_layout.pool_id;
ceph_oid_printf(&oid, "%s", dl.object_name);
r = ceph_object_locator_to_pg(osdc->osdmap, &oid, &oloc, &pgid);
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index e7d38aac7109..75ecf967d0b7 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -275,8 +275,8 @@ struct ceph_mds_request {
struct ceph_pool_perm {
struct rb_node node;
- u32 pool;
int perm;
+ s64 pool;
};
/*
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 4870b29df224..5377c9c7a0c5 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -72,7 +72,7 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
int ret;
struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
struct ceph_osd_client *osdc = &fsc->client->osdc;
- s64 pool = ceph_file_layout_pg_pool(ci->i_layout);
+ s64 pool = ci->i_layout.pool_id;
const char *pool_name;
char buf[128];
@@ -82,10 +82,9 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
if (pool_name) {
size_t len = strlen(pool_name);
ret = snprintf(buf, sizeof(buf),
- "stripe_unit=%lld stripe_count=%lld object_size=%lld pool=",
- (unsigned long long)ceph_file_layout_su(ci->i_layout),
- (unsigned long long)ceph_file_layout_stripe_count(ci->i_layout),
- (unsigned long long)ceph_file_layout_object_size(ci->i_layout));
+ "stripe_unit=%u stripe_count=%u object_size=%u pool=",
+ ci->i_layout.stripe_unit, ci->i_layout.stripe_count,
+ ci->i_layout.object_size);
if (!size) {
ret += len;
} else if (ret + len > size) {
@@ -97,11 +96,9 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
}
} else {
ret = snprintf(buf, sizeof(buf),
- "stripe_unit=%lld stripe_count=%lld object_size=%lld pool=%lld",
- (unsigned long long)ceph_file_layout_su(ci->i_layout),
- (unsigned long long)ceph_file_layout_stripe_count(ci->i_layout),
- (unsigned long long)ceph_file_layout_object_size(ci->i_layout),
- (unsigned long long)pool);
+ "stripe_unit=%u stripe_count=%u object_size=%u pool=%lld",
+ ci->i_layout.stripe_unit, ci->i_layout.stripe_count,
+ ci->i_layout.object_size, (unsigned long long)pool);
if (size) {
if (ret <= size)
memcpy(val, buf, ret);
@@ -116,22 +113,19 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
static size_t ceph_vxattrcb_layout_stripe_unit(struct ceph_inode_info *ci,
char *val, size_t size)
{
- return snprintf(val, size, "%lld",
- (unsigned long long)ceph_file_layout_su(ci->i_layout));
+ return snprintf(val, size, "%u", ci->i_layout.stripe_unit);
}
static size_t ceph_vxattrcb_layout_stripe_count(struct ceph_inode_info *ci,
char *val, size_t size)
{
- return snprintf(val, size, "%lld",
- (unsigned long long)ceph_file_layout_stripe_count(ci->i_layout));
+ return snprintf(val, size, "%u", ci->i_layout.stripe_count);
}
static size_t ceph_vxattrcb_layout_object_size(struct ceph_inode_info *ci,
char *val, size_t size)
{
- return snprintf(val, size, "%lld",
- (unsigned long long)ceph_file_layout_object_size(ci->i_layout));
+ return snprintf(val, size, "%u", ci->i_layout.object_size);
}
static size_t ceph_vxattrcb_layout_pool(struct ceph_inode_info *ci,
@@ -140,7 +134,7 @@ static size_t ceph_vxattrcb_layout_pool(struct ceph_inode_info *ci,
int ret;
struct ceph_fs_client *fsc = ceph_sb_to_client(ci->vfs_inode.i_sb);
struct ceph_osd_client *osdc = &fsc->client->osdc;
- s64 pool = ceph_file_layout_pg_pool(ci->i_layout);
+ s64 pool = ci->i_layout.pool_id;
const char *pool_name;
down_read(&osdc->lock);