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libxfs: use a convenience variable instead of open-coding the fork 

Use a convenience variable instead of open-coding the inode fork.
This isn't really needed for now, but will become important when we
add the copy-on-write fork later.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong 2016-01-04 16:12:42 +11:00 committed by Dave Chinner
parent 9b434a347c
commit 6d3eb1eca0
1 changed files with 12 additions and 11 deletions
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23
fs/xfs/libxfs/xfs_bmap.c
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@ -1723,10 +1723,11 @@ xfs_bmap_add_extent_delay_real(
xfs_filblks_t temp=0; /* value for da_new calculations */
xfs_filblks_t temp2=0;/* value for da_new calculations */
int tmp_rval; /* partial logging flags */
int whichfork = XFS_DATA_FORK;
struct xfs_mount *mp;
mp = bma->ip->i_mount;
ifp = XFS_IFORK_PTR(bma->ip, XFS_DATA_FORK);
ifp = XFS_IFORK_PTR(bma->ip, whichfork);
ASSERT(bma->idx >= 0);
ASSERT(bma->idx <= ifp->if_bytes / sizeof(struct xfs_bmbt_rec));
@ -1785,7 +1786,7 @@ xfs_bmap_add_extent_delay_real(
* Don't set contiguous if the combined extent would be too large.
* Also check for all-three-contiguous being too large.
*/
if (bma->idx < bma->ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1) {
if (bma->idx < ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1) {
state |= BMAP_RIGHT_VALID;
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx + 1), &RIGHT);
@ -2016,10 +2017,10 @@ xfs_bmap_add_extent_delay_real(
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
}
if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
bma->firstblock, bma->flist,
&bma->cur, 1, &tmp_rval, XFS_DATA_FORK);
&bma->cur, 1, &tmp_rval, whichfork);
rval |= tmp_rval;
if (error)
goto done;
@ -2100,10 +2101,10 @@ xfs_bmap_add_extent_delay_real(
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
}
if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
bma->firstblock, bma->flist, &bma->cur, 1,
&tmp_rval, XFS_DATA_FORK);
&tmp_rval, whichfork);
rval |= tmp_rval;
if (error)
goto done;
@ -2169,10 +2170,10 @@ xfs_bmap_add_extent_delay_real(
XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done);
}
if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
bma->firstblock, bma->flist, &bma->cur,
1, &tmp_rval, XFS_DATA_FORK);
1, &tmp_rval, whichfork);
rval |= tmp_rval;
if (error)
goto done;
@ -2215,13 +2216,13 @@ xfs_bmap_add_extent_delay_real(
}
/* convert to a btree if necessary */
if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
int tmp_logflags; /* partial log flag return val */
ASSERT(bma->cur == NULL);
error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
bma->firstblock, bma->flist, &bma->cur,
da_old > 0, &tmp_logflags, XFS_DATA_FORK);
da_old > 0, &tmp_logflags, whichfork);
bma->logflags |= tmp_logflags;
if (error)
goto done;
@ -2242,7 +2243,7 @@ xfs_bmap_add_extent_delay_real(
if (bma->cur)
bma->cur->bc_private.b.allocated = 0;
xfs_bmap_check_leaf_extents(bma->cur, bma->ip, XFS_DATA_FORK);
xfs_bmap_check_leaf_extents(bma->cur, bma->ip, whichfork);
done:
bma->logflags |= rval;
return error;