Commit 1305edad01d7327393ccecff8b9e976dd35bc55d

Authored by Christoph Hellwig
Committed by Linus Torvalds
1 parent c38344fe9e

fat: new export ops

Very little changes here, fat had a mostly no op decode_fh before and does not
store any parent information.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Neil Brown <neilb@suse.de>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 1 changed file with 7 additions and 17 deletions Side-by-side Diff

... ... @@ -653,25 +653,16 @@
653 653 * of i_logstart is used to store the directory entry offset.
654 654 */
655 655  
656   -static struct dentry *
657   -fat_decode_fh(struct super_block *sb, __u32 *fh, int len, int fhtype,
658   - int (*acceptable)(void *context, struct dentry *de),
659   - void *context)
  656 +static struct dentry *fat_fh_to_dentry(struct super_block *sb,
  657 + struct fid *fid, int fh_len, int fh_type)
660 658 {
661   - if (fhtype != 3)
662   - return ERR_PTR(-ESTALE);
663   - if (len < 5)
664   - return ERR_PTR(-ESTALE);
665   -
666   - return sb->s_export_op->find_exported_dentry(sb, fh, NULL, acceptable, context);
667   -}
668   -
669   -static struct dentry *fat_get_dentry(struct super_block *sb, void *inump)
670   -{
671 659 struct inode *inode = NULL;
672 660 struct dentry *result;
673   - __u32 *fh = inump;
  661 + u32 *fh = fid->raw;
674 662  
  663 + if (fh_len < 5 || fh_type != 3)
  664 + return NULL;
  665 +
675 666 inode = iget(sb, fh[0]);
676 667 if (!inode || is_bad_inode(inode) || inode->i_generation != fh[1]) {
677 668 if (inode)
678 669  
... ... @@ -784,9 +775,8 @@
784 775 }
785 776  
786 777 static struct export_operations fat_export_ops = {
787   - .decode_fh = fat_decode_fh,
788 778 .encode_fh = fat_encode_fh,
789   - .get_dentry = fat_get_dentry,
  779 + .fh_to_dentry = fat_fh_to_dentry,
790 780 .get_parent = fat_get_parent,
791 781 };
792 782