xfs: use xfs_iext_get_extent instead of open coding it
This avoids exposure to details of the extent list implementation.
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>
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index a3cc8af..e714602 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1454,7 +1454,7 @@ xfs_bmap_last_extent(
return 0;
}
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, nextents - 1), rec);
+ xfs_iext_get_extent(ifp, nextents - 1, rec);
*is_empty = 0;
return 0;
}
@@ -1540,7 +1540,6 @@ xfs_bmap_one_block(
xfs_inode_t *ip, /* incore inode */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_host_t *ep; /* ptr to fork's extent */
xfs_ifork_t *ifp; /* inode fork pointer */
int rval; /* return value */
xfs_bmbt_irec_t s; /* internal version of extent */
@@ -1555,8 +1554,7 @@ xfs_bmap_one_block(
return 0;
ifp = XFS_IFORK_PTR(ip, whichfork);
ASSERT(ifp->if_flags & XFS_IFEXTENTS);
- ep = xfs_iext_get_ext(ifp, 0);
- xfs_bmbt_get_all(ep, &s);
+ xfs_iext_get_extent(ifp, 0, &s);
rval = s.br_startoff == 0 && s.br_blockcount == 1;
if (rval && whichfork == XFS_DATA_FORK)
ASSERT(XFS_ISIZE(ip) == ip->i_mount->m_sb.sb_blocksize);
@@ -1642,7 +1640,7 @@ xfs_bmap_add_extent_delay_real(
*/
if (bma->idx > 0) {
state |= BMAP_LEFT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx - 1), &LEFT);
+ xfs_iext_get_extent(ifp, bma->idx - 1, &LEFT);
if (isnullstartblock(LEFT.br_startblock))
state |= BMAP_LEFT_DELAY;
@@ -1662,7 +1660,7 @@ xfs_bmap_add_extent_delay_real(
*/
if (bma->idx < xfs_iext_count(ifp) - 1) {
state |= BMAP_RIGHT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx + 1), &RIGHT);
+ xfs_iext_get_extent(ifp, bma->idx + 1, &RIGHT);
if (isnullstartblock(RIGHT.br_startblock))
state |= BMAP_RIGHT_DELAY;
@@ -2209,7 +2207,7 @@ xfs_bmap_add_extent_unwritten_real(
*/
if (*idx > 0) {
state |= BMAP_LEFT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx - 1), &LEFT);
+ xfs_iext_get_extent(ifp, *idx - 1, &LEFT);
if (isnullstartblock(LEFT.br_startblock))
state |= BMAP_LEFT_DELAY;
@@ -2229,7 +2227,7 @@ xfs_bmap_add_extent_unwritten_real(
*/
if (*idx < xfs_iext_count(ifp) - 1) {
state |= BMAP_RIGHT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx + 1), &RIGHT);
+ xfs_iext_get_extent(ifp, *idx + 1, &RIGHT);
if (isnullstartblock(RIGHT.br_startblock))
state |= BMAP_RIGHT_DELAY;
}
@@ -2703,7 +2701,7 @@ xfs_bmap_add_extent_hole_delay(
*/
if (*idx > 0) {
state |= BMAP_LEFT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx - 1), &left);
+ xfs_iext_get_extent(ifp, *idx - 1, &left);
if (isnullstartblock(left.br_startblock))
state |= BMAP_LEFT_DELAY;
@@ -2715,7 +2713,7 @@ xfs_bmap_add_extent_hole_delay(
*/
if (*idx < xfs_iext_count(ifp)) {
state |= BMAP_RIGHT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx), &right);
+ xfs_iext_get_extent(ifp, *idx, &right);
if (isnullstartblock(right.br_startblock))
state |= BMAP_RIGHT_DELAY;
@@ -2867,7 +2865,7 @@ xfs_bmap_add_extent_hole_real(
*/
if (*idx > 0) {
state |= BMAP_LEFT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx - 1), &left);
+ xfs_iext_get_extent(ifp, *idx - 1, &left);
if (isnullstartblock(left.br_startblock))
state |= BMAP_LEFT_DELAY;
}
@@ -2878,7 +2876,7 @@ xfs_bmap_add_extent_hole_real(
*/
if (*idx < xfs_iext_count(ifp)) {
state |= BMAP_RIGHT_VALID;
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx), &right);
+ xfs_iext_get_extent(ifp, *idx, &right);
if (isnullstartblock(right.br_startblock))
state |= BMAP_RIGHT_DELAY;
}
@@ -4207,10 +4205,8 @@ xfs_bmapi_allocate(
if (bma->wasdel) {
bma->length = (xfs_extlen_t)bma->got.br_blockcount;
bma->offset = bma->got.br_startoff;
- if (bma->idx) {
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx - 1),
- &bma->prev);
- }
+ if (bma->idx)
+ xfs_iext_get_extent(ifp, bma->idx - 1, &bma->prev);
} else {
bma->length = XFS_FILBLKS_MIN(bma->length, MAXEXTLEN);
if (!bma->eof)
@@ -4307,7 +4303,7 @@ xfs_bmapi_allocate(
* or xfs_bmap_add_extent_hole_real might have merged it into one of
* the neighbouring ones.
*/
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx), &bma->got);
+ xfs_iext_get_extent(ifp, bma->idx, &bma->got);
ASSERT(bma->got.br_startoff <= bma->offset);
ASSERT(bma->got.br_startoff + bma->got.br_blockcount >=
@@ -4388,7 +4384,7 @@ xfs_bmapi_convert_unwritten(
* xfs_bmap_add_extent_unwritten_real might have merged it into one
* of the neighbouring ones.
*/
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp, bma->idx), &bma->got);
+ xfs_iext_get_extent(ifp, bma->idx, &bma->got);
/*
* We may have combined previously unwritten space with written space,
@@ -5587,8 +5583,8 @@ __xfs_bunmapi(
del.br_blockcount : mod;
if (bno < got.br_startoff) {
if (--lastx >= 0)
- xfs_bmbt_get_all(xfs_iext_get_ext(
- ifp, lastx), &got);
+ xfs_iext_get_extent(ifp, lastx,
+ &got);
}
continue;
}