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| author | Chengguang Xu <cgxu519@gmx.com> | 2018-09-02 23:21:09 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2018-10-22 10:28:20 +0200 |
| commit | 5da207993e396f445d813338dd3540ddd6d26816 (patch) | |
| tree | b2ce4341e636b29e7b76e979f432a550446369f2 /fs/ceph | |
| parent | 7d8dc53414c5770afb8b83db096ecab0cd53ec93 (diff) | |
| download | linux-5da207993e396f445d813338dd3540ddd6d26816.tar.gz linux-5da207993e396f445d813338dd3540ddd6d26816.tar.bz2 linux-5da207993e396f445d813338dd3540ddd6d26816.zip | |
ceph: check snap first in ceph_set_acl()
Do the snap check first in ceph_set_acl(), so we can avoid
unnecessary operations when the inode has snap.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/acl.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c index 027408d55aee..8a9b562ae4ca 100644 --- a/fs/ceph/acl.c +++ b/fs/ceph/acl.c @@ -104,6 +104,11 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type) struct timespec64 old_ctime = inode->i_ctime; umode_t new_mode = inode->i_mode, old_mode = inode->i_mode; + if (ceph_snap(inode) != CEPH_NOSNAP) { + ret = -EROFS; + goto out; + } + switch (type) { case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; @@ -138,11 +143,6 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type) goto out_free; } - if (ceph_snap(inode) != CEPH_NOSNAP) { - ret = -EROFS; - goto out_free; - } - if (new_mode != old_mode) { newattrs.ia_ctime = current_time(inode); newattrs.ia_mode = new_mode; |