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xfs: replace xfs_bmbt_lookup_ge with xfs_bmbt_lookup_first

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We only use xfs_bmbt_lookup_ge to look up the first bmap record in an
inode, so replace xfs_bmbt_lookup_ge with a special purpose helper that
is a bit more descriptive.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2017-10-17 14:16:27 -07:00 committed by Darrick J. Wong
parent e16cf9b03c
commit b5cfbc2282
1 changed files with 6 additions and 8 deletions
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14
fs/xfs/libxfs/xfs_bmap.c
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@ -120,16 +120,13 @@ xfs_bmbt_lookup_eq(
}
STATIC int /* error */
xfs_bmbt_lookup_ge(
xfs_bmbt_lookup_first(
struct xfs_btree_cur *cur,
xfs_fileoff_t off,
xfs_fsblock_t bno,
xfs_filblks_t len,
int *stat) /* success/failure */
{
cur->bc_rec.b.br_startoff = off;
cur->bc_rec.b.br_startblock = bno;
cur->bc_rec.b.br_blockcount = len;
cur->bc_rec.b.br_startoff = 0;
cur->bc_rec.b.br_startblock = 0;
cur->bc_rec.b.br_blockcount = 0;
return xfs_btree_lookup(cur, XFS_LOOKUP_GE, stat);
}
@ -965,7 +962,8 @@ xfs_bmap_add_attrfork_btree(
cur = xfs_bmbt_init_cursor(mp, tp, ip, XFS_DATA_FORK);
cur->bc_private.b.dfops = dfops;
cur->bc_private.b.firstblock = *firstblock;
if ((error = xfs_bmbt_lookup_ge(cur, 0, 0, 0, &stat)))
error = xfs_bmbt_lookup_first(cur, &stat);
if (error)
goto error0;
/* must be at least one entry */
XFS_WANT_CORRUPTED_GOTO(mp, stat == 1, error0);