diff options
Diffstat (limited to 'fs/statfs.c')
| -rw-r--r-- | fs/statfs.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/statfs.c b/fs/statfs.c index f8e832e6f0a..083dc0ac914 100644 --- a/fs/statfs.c +++ b/fs/statfs.c @@ -77,17 +77,24 @@ EXPORT_SYMBOL(vfs_statfs); int user_statfs(const char __user *pathname, struct kstatfs *st) { struct path path; - int error = user_path_at(AT_FDCWD, pathname, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path); + int error; + unsigned int lookup_flags = LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT; +retry: + error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path); if (!error) { error = vfs_statfs(&path, st); path_put(&path); + if (retry_estale(error, lookup_flags)) { + lookup_flags |= LOOKUP_REVAL; + goto retry; + } } return error; } int fd_statfs(int fd, struct kstatfs *st) { - struct fd f = fdget(fd); + struct fd f = fdget_raw(fd); int error = -EBADF; if (f.file) { error = vfs_statfs(&f.file->f_path, st); |