diff options
| author | Jeff Layton <jlayton@redhat.com> | 2012-12-11 12:10:17 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-20 18:50:10 -0500 |
| commit | 12f06212990400db1b54bd7b49b7f6f5f1b32469 (patch) | |
| tree | 5827504989d57e2f31613aac63f46d2e2781a964 /fs/xattr.c | |
| parent | bd9bbc9842bde1b14046cdbda1153f0d49061135 (diff) | |
| download | lwn-12f06212990400db1b54bd7b49b7f6f5f1b32469.tar.gz lwn-12f06212990400db1b54bd7b49b7f6f5f1b32469.zip | |
vfs: make removexattr retry once on ESTALE
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/xattr.c')
| -rw-r--r-- | fs/xattr.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/xattr.c b/fs/xattr.c index 49d09e158809..4caa8efeada3 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -645,8 +645,9 @@ SYSCALL_DEFINE2(removexattr, const char __user *, pathname, { struct path path; int error; - - error = user_path(pathname, &path); + unsigned int lookup_flags = LOOKUP_FOLLOW; +retry: + error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path); if (error) return error; error = mnt_want_write(path.mnt); @@ -655,6 +656,10 @@ SYSCALL_DEFINE2(removexattr, const char __user *, pathname, mnt_drop_write(path.mnt); } path_put(&path); + if (retry_estale(error, lookup_flags)) { + lookup_flags |= LOOKUP_REVAL; + goto retry; + } return error; } |