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xfs: use new extent lookup helpers in xfs_bmapi_write 

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-11-24 11:39:43 +11:00 committed by Dave Chinner
parent 334f3423d6
commit 2d58f6ef79
1 changed files with 7 additions and 8 deletions
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15
fs/xfs/libxfs/xfs_bmap.c
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@ -4561,7 +4561,7 @@ xfs_bmapi_write(
struct xfs_ifork *ifp;
struct xfs_bmalloca bma = { NULL }; /* args for xfs_bmap_alloc */
xfs_fileoff_t end; /* end of mapped file region */
int eof; /* after the end of extents */
bool eof = false; /* after the end of extents */
int error; /* error return */
int n; /* current extent index */
xfs_fileoff_t obno; /* old block number (offset) */
@ -4639,12 +4639,14 @@ xfs_bmapi_write(
goto error0;
}
xfs_bmap_search_extents(ip, bno, whichfork, &eof, &bma.idx, &bma.got,
&bma.prev);
n = 0;
end = bno + len;
obno = bno;
if (!xfs_iext_lookup_extent(ip, ifp, bno, &bma.idx, &bma.got))
eof = true;
if (!xfs_iext_get_extent(ifp, bma.idx - 1, &bma.prev))
bma.prev.br_startoff = NULLFILEOFF;
bma.tp = tp;
bma.ip = ip;
bma.total = total;
@ -4731,11 +4733,8 @@ xfs_bmapi_write(
/* Else go on to the next record. */
bma.prev = bma.got;
if (++bma.idx < xfs_iext_count(ifp)) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma.idx),
&bma.got);
} else
eof = 1;
if (!xfs_iext_get_extent(ifp, ++bma.idx, &bma.got))
eof = true;
}
*nmap = n;