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| 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 | bd9bbc9842bde1b14046cdbda1153f0d49061135 (patch) | |
| tree | 7dc71b051248d1789e8d0bef74ada4387dd2b76e | |
| parent | 10a90cf36efe0fca5c7719fd9b0299abd6be51aa (diff) | |
| download | linux-bd9bbc9842bde1b14046cdbda1153f0d49061135.tar.gz | |
vfs: make llistxattr retry once on ESTALE error
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -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 1dc1eac17319..49d09e158809 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -595,12 +595,17 @@ SYSCALL_DEFINE3(llistxattr, const char __user *, pathname, char __user *, list, { struct path path; ssize_t error; - - error = user_lpath(pathname, &path); + unsigned int lookup_flags = 0; +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; } |