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xfs: remove xfs_bmapi_single()

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Now we have xfs_bmapi_read, there is no need for xfs_bmapi_single().
Change the remaining caller over and kill the function.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Dave Chinner
2011-09-18 20:40:46 +00:00
committed by Alex Elder
parent 5c8ed2021f
commit 5b777ad517
4 changed files with 19 additions and 112 deletions
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52
fs/xfs/xfs_bmap.c
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@@ -4968,58 +4968,6 @@ error0:
return error;
}
/*
* Map file blocks to filesystem blocks, simple version.
* One block (extent) only, read-only.
* For flags, only the XFS_BMAPI_ATTRFORK flag is examined.
* For the other flag values, the effect is as if XFS_BMAPI_METADATA
* was set and all the others were clear.
*/
int /* error */
xfs_bmapi_single(
xfs_trans_t *tp, /* transaction pointer */
xfs_inode_t *ip, /* incore inode */
int whichfork, /* data or attr fork */
xfs_fsblock_t *fsb, /* output: mapped block */
xfs_fileoff_t bno) /* starting file offs. mapped */
{
int eof; /* we've hit the end of extents */
int error; /* error return */
xfs_bmbt_irec_t got; /* current file extent record */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_extnum_t lastx; /* last useful extent number */
xfs_bmbt_irec_t prev; /* previous file extent record */
ifp = XFS_IFORK_PTR(ip, whichfork);
if (unlikely(
XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE &&
XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS)) {
XFS_ERROR_REPORT("xfs_bmapi_single", XFS_ERRLEVEL_LOW,
ip->i_mount);
return XFS_ERROR(EFSCORRUPTED);
}
if (XFS_FORCED_SHUTDOWN(ip->i_mount))
return XFS_ERROR(EIO);
XFS_STATS_INC(xs_blk_mapr);
if (!(ifp->if_flags & XFS_IFEXTENTS) &&
(error = xfs_iread_extents(tp, ip, whichfork)))
return error;
(void)xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &got,
&prev);
/*
* Reading past eof, act as though there's a hole
* up to end.
*/
if (eof || got.br_startoff > bno) {
*fsb = NULLFSBLOCK;
return 0;
}
ASSERT(!isnullstartblock(got.br_startblock));
ASSERT(bno < got.br_startoff + got.br_blockcount);
*fsb = got.br_startblock + (bno - got.br_startoff);
return 0;
}
/*
* Unmap (remove) blocks from a file.
* If nexts is nonzero then the number of extents to remove is limited to