diff options
| author | Jeff Layton <jlayton@redhat.com> | 2012-12-11 12:10:16 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-20 18:50:10 -0500 |
| commit | 10a90cf36efe0fca5c7719fd9b0299abd6be51aa (patch) | |
| tree | d294e38f08018f63909faa02f56cedefd52f95a2 /fs | |
| parent | 3a3e159dbfe405517584b09bbcefd72115d93342 (diff) | |
| download | lwn-10a90cf36efe0fca5c7719fd9b0299abd6be51aa.tar.gz lwn-10a90cf36efe0fca5c7719fd9b0299abd6be51aa.zip | |
vfs: make listxattr retry once on ESTALE error
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
| -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 c127d57bf655..1dc1eac17319 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -576,12 +576,17 @@ SYSCALL_DEFINE3(listxattr, const char __user *, pathname, char __user *, list, { struct path path; ssize_t 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 = listxattr(path.dentry, list, size); path_put(&path); + if (retry_estale(error, lookup_flags)) { + lookup_flags |= LOOKUP_REVAL; + goto retry; + } return error; } |