int vfs_fstat(unsigned int fd, struct kstat *stat)
{
- int fput_needed;
- struct file *f = fget_raw_light(fd, &fput_needed);
+ struct fd f = fdget_raw(fd);
int error = -EBADF;
- if (f) {
- error = vfs_getattr(f->f_path.mnt, f->f_path.dentry, stat);
- fput_light(f, fput_needed);
+ if (f.file) {
+ error = vfs_getattr(f.file->f_path.mnt, f.file->f_path.dentry,
+ stat);
+ fdput(f);
}
return error;
}
{
struct path path;
int error = -EINVAL;
- int lookup_flags = 0;
+ unsigned int lookup_flags = 0;
if ((flag & ~(AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT |
AT_EMPTY_PATH)) != 0)
lookup_flags |= LOOKUP_FOLLOW;
if (flag & AT_EMPTY_PATH)
lookup_flags |= LOOKUP_EMPTY;
-
+retry:
error = user_path_at(dfd, filename, lookup_flags, &path);
if (error)
goto out;
error = vfs_getattr(path.mnt, path.dentry, stat);
path_put(&path);
+ if (retry_estale(error, lookup_flags)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
out:
return error;
}
struct path path;
int error;
int empty = 0;
+ unsigned int lookup_flags = LOOKUP_EMPTY;
if (bufsiz <= 0)
return -EINVAL;
- error = user_path_at_empty(dfd, pathname, LOOKUP_EMPTY, &path, &empty);
+retry:
+ error = user_path_at_empty(dfd, pathname, lookup_flags, &path, &empty);
if (!error) {
struct inode *inode = path.dentry->d_inode;
}
}
path_put(&path);
+ if (retry_estale(error, lookup_flags)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
}
return error;
}