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xfs: remove xfs_inotobp 

There is no need to keep this helper around, opencoding it in the only
caller is just as clear.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Christoph Hellwig 2012-07-03 12:21:51 -04:00 committed by Ben Myers
parent 475ee413f3
commit 129dbc9a2d
2 changed files with 19 additions and 54 deletions
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70
fs/xfs/xfs_inode.c
View File

@ -215,47 +215,6 @@ xfs_imap_to_bp(
return 0;
}
/*
* This routine is called to map an inode number within a file
* system to the buffer containing the on-disk version of the
* inode. It returns a pointer to the buffer containing the
* on-disk inode in the bpp parameter, and in the dip parameter
* it returns a pointer to the on-disk inode within that buffer.
*
* If a non-zero error is returned, then the contents of bpp and
* dipp are undefined.
*
* Use xfs_imap() to determine the size and location of the
* buffer to read from disk.
*/
int
xfs_inotobp(
xfs_mount_t *mp,
xfs_trans_t *tp,
xfs_ino_t ino,
xfs_dinode_t **dipp,
xfs_buf_t **bpp,
int *offset,
uint imap_flags)
{
struct xfs_imap imap;
xfs_buf_t *bp;
int error;
imap.im_blkno = 0;
error = xfs_imap(mp, tp, ino, &imap, imap_flags);
if (error)
return error;
error = xfs_imap_to_bp(mp, tp, &imap, dipp, &bp, 0, imap_flags);
if (error)
return error;
*bpp = bp;
*offset = imap.im_boffset;
return 0;
}
/*
* Move inode type and inode format specific information from the
* on-disk inode to the in-core inode. For fifos, devs, and sockets
@ -1431,23 +1390,32 @@ xfs_iunlink_remove(
next_agino = be32_to_cpu(agi->agi_unlinked[bucket_index]);
last_ibp = NULL;
while (next_agino != agino) {
/*
* If the last inode wasn't the one pointing to
* us, then release its buffer since we're not
* going to do anything with it.
*/
if (last_ibp != NULL) {
struct xfs_imap imap;
if (last_ibp)
xfs_trans_brelse(tp, last_ibp);
}
imap.im_blkno = 0;
next_ino = XFS_AGINO_TO_INO(mp, agno, next_agino);
error = xfs_inotobp(mp, tp, next_ino, &last_dip,
&last_ibp, &last_offset, 0);
error = xfs_imap(mp, tp, next_ino, &imap, 0);
if (error) {
xfs_warn(mp,
"%s: xfs_inotobp() returned error %d.",
"%s: xfs_imap returned error %d.",
__func__, error);
return error;
}
error = xfs_imap_to_bp(mp, tp, &imap, &last_dip,
&last_ibp, 0, 0);
if (error) {
xfs_warn(mp,
"%s: xfs_imap_to_bp returned error %d.",
__func__, error);
return error;
}
last_offset = imap.im_boffset;
next_agino = be32_to_cpu(last_dip->di_next_unlinked);
ASSERT(next_agino != NULLAGINO);
ASSERT(next_agino != 0);

3
fs/xfs/xfs_inode.h
View File

@ -557,9 +557,6 @@ do { \
#define XFS_IGET_UNTRUSTED 0x2
#define XFS_IGET_DONTCACHE 0x4
int xfs_inotobp(struct xfs_mount *, struct xfs_trans *,
xfs_ino_t, struct xfs_dinode **,
struct xfs_buf **, int *, uint);
int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *,
struct xfs_imap *, struct xfs_dinode **,
struct xfs_buf **, uint, uint);