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path: root/fs/xfs/libxfs/xfs_refcount.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_refcount.c')
-rw-r--r--fs/xfs/libxfs/xfs_refcount.c107
1 files changed, 41 insertions, 66 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 9dda6fd0bb13..542aa1475b5f 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -34,11 +34,9 @@ enum xfs_refc_adjust_op {
};
STATIC int __xfs_refcount_cow_alloc(struct xfs_btree_cur *rcur,
- xfs_agblock_t agbno, xfs_extlen_t aglen,
- struct xfs_defer_ops *dfops);
+ xfs_agblock_t agbno, xfs_extlen_t aglen);
STATIC int __xfs_refcount_cow_free(struct xfs_btree_cur *rcur,
- xfs_agblock_t agbno, xfs_extlen_t aglen,
- struct xfs_defer_ops *dfops);
+ xfs_agblock_t agbno, xfs_extlen_t aglen);
/*
* Look up the first record less than or equal to [bno, len] in the btree
@@ -870,7 +868,6 @@ xfs_refcount_adjust_extents(
xfs_agblock_t *agbno,
xfs_extlen_t *aglen,
enum xfs_refc_adjust_op adj,
- struct xfs_defer_ops *dfops,
struct xfs_owner_info *oinfo)
{
struct xfs_refcount_irec ext, tmp;
@@ -925,8 +922,8 @@ xfs_refcount_adjust_extents(
fsbno = XFS_AGB_TO_FSB(cur->bc_mp,
cur->bc_private.a.agno,
tmp.rc_startblock);
- xfs_bmap_add_free(cur->bc_mp, dfops, fsbno,
- tmp.rc_blockcount, oinfo);
+ xfs_bmap_add_free(cur->bc_tp, fsbno,
+ tmp.rc_blockcount, oinfo);
}
(*agbno) += tmp.rc_blockcount;
@@ -968,8 +965,8 @@ xfs_refcount_adjust_extents(
fsbno = XFS_AGB_TO_FSB(cur->bc_mp,
cur->bc_private.a.agno,
ext.rc_startblock);
- xfs_bmap_add_free(cur->bc_mp, dfops, fsbno,
- ext.rc_blockcount, oinfo);
+ xfs_bmap_add_free(cur->bc_tp, fsbno, ext.rc_blockcount,
+ oinfo);
}
skip:
@@ -998,7 +995,6 @@ xfs_refcount_adjust(
xfs_agblock_t *new_agbno,
xfs_extlen_t *new_aglen,
enum xfs_refc_adjust_op adj,
- struct xfs_defer_ops *dfops,
struct xfs_owner_info *oinfo)
{
bool shape_changed;
@@ -1043,7 +1039,7 @@ xfs_refcount_adjust(
/* Now that we've taken care of the ends, adjust the middle extents */
error = xfs_refcount_adjust_extents(cur, new_agbno, new_aglen,
- adj, dfops, oinfo);
+ adj, oinfo);
if (error)
goto out_error;
@@ -1067,7 +1063,7 @@ xfs_refcount_finish_one_cleanup(
if (rcur == NULL)
return;
agbp = rcur->bc_private.a.agbp;
- xfs_btree_del_cursor(rcur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR);
+ xfs_btree_del_cursor(rcur, error);
if (error)
xfs_trans_brelse(tp, agbp);
}
@@ -1082,7 +1078,6 @@ xfs_refcount_finish_one_cleanup(
int
xfs_refcount_finish_one(
struct xfs_trans *tp,
- struct xfs_defer_ops *dfops,
enum xfs_refcount_intent_type type,
xfs_fsblock_t startblock,
xfs_extlen_t blockcount,
@@ -1132,7 +1127,7 @@ xfs_refcount_finish_one(
if (!agbp)
return -EFSCORRUPTED;
- rcur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, dfops);
+ rcur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno);
if (!rcur) {
error = -ENOMEM;
goto out_cur;
@@ -1145,23 +1140,23 @@ xfs_refcount_finish_one(
switch (type) {
case XFS_REFCOUNT_INCREASE:
error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno,
- new_len, XFS_REFCOUNT_ADJUST_INCREASE, dfops, NULL);
+ new_len, XFS_REFCOUNT_ADJUST_INCREASE, NULL);
*new_fsb = XFS_AGB_TO_FSB(mp, agno, new_agbno);
break;
case XFS_REFCOUNT_DECREASE:
error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno,
- new_len, XFS_REFCOUNT_ADJUST_DECREASE, dfops, NULL);
+ new_len, XFS_REFCOUNT_ADJUST_DECREASE, NULL);
*new_fsb = XFS_AGB_TO_FSB(mp, agno, new_agbno);
break;
case XFS_REFCOUNT_ALLOC_COW:
*new_fsb = startblock + blockcount;
*new_len = 0;
- error = __xfs_refcount_cow_alloc(rcur, bno, blockcount, dfops);
+ error = __xfs_refcount_cow_alloc(rcur, bno, blockcount);
break;
case XFS_REFCOUNT_FREE_COW:
*new_fsb = startblock + blockcount;
*new_len = 0;
- error = __xfs_refcount_cow_free(rcur, bno, blockcount, dfops);
+ error = __xfs_refcount_cow_free(rcur, bno, blockcount);
break;
default:
ASSERT(0);
@@ -1183,16 +1178,16 @@ out_cur:
*/
static int
__xfs_refcount_add(
- struct xfs_mount *mp,
- struct xfs_defer_ops *dfops,
+ struct xfs_trans *tp,
enum xfs_refcount_intent_type type,
xfs_fsblock_t startblock,
xfs_extlen_t blockcount)
{
struct xfs_refcount_intent *ri;
- trace_xfs_refcount_defer(mp, XFS_FSB_TO_AGNO(mp, startblock),
- type, XFS_FSB_TO_AGBNO(mp, startblock),
+ trace_xfs_refcount_defer(tp->t_mountp,
+ XFS_FSB_TO_AGNO(tp->t_mountp, startblock),
+ type, XFS_FSB_TO_AGBNO(tp->t_mountp, startblock),
blockcount);
ri = kmem_alloc(sizeof(struct xfs_refcount_intent),
@@ -1202,7 +1197,7 @@ __xfs_refcount_add(
ri->ri_startblock = startblock;
ri->ri_blockcount = blockcount;
- xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_REFCOUNT, &ri->ri_list);
+ xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_REFCOUNT, &ri->ri_list);
return 0;
}
@@ -1211,14 +1206,13 @@ __xfs_refcount_add(
*/
int
xfs_refcount_increase_extent(
- struct xfs_mount *mp,
- struct xfs_defer_ops *dfops,
+ struct xfs_trans *tp,
struct xfs_bmbt_irec *PREV)
{
- if (!xfs_sb_version_hasreflink(&mp->m_sb))
+ if (!xfs_sb_version_hasreflink(&tp->t_mountp->m_sb))
return 0;
- return __xfs_refcount_add(mp, dfops, XFS_REFCOUNT_INCREASE,
+ return __xfs_refcount_add(tp, XFS_REFCOUNT_INCREASE,
PREV->br_startblock, PREV->br_blockcount);
}
@@ -1227,14 +1221,13 @@ xfs_refcount_increase_extent(
*/
int
xfs_refcount_decrease_extent(
- struct xfs_mount *mp,
- struct xfs_defer_ops *dfops,
+ struct xfs_trans *tp,
struct xfs_bmbt_irec *PREV)
{
- if (!xfs_sb_version_hasreflink(&mp->m_sb))
+ if (!xfs_sb_version_hasreflink(&tp->t_mountp->m_sb))
return 0;
- return __xfs_refcount_add(mp, dfops, XFS_REFCOUNT_DECREASE,
+ return __xfs_refcount_add(tp, XFS_REFCOUNT_DECREASE,
PREV->br_startblock, PREV->br_blockcount);
}
@@ -1522,8 +1515,7 @@ STATIC int
__xfs_refcount_cow_alloc(
struct xfs_btree_cur *rcur,
xfs_agblock_t agbno,
- xfs_extlen_t aglen,
- struct xfs_defer_ops *dfops)
+ xfs_extlen_t aglen)
{
trace_xfs_refcount_cow_increase(rcur->bc_mp, rcur->bc_private.a.agno,
agbno, aglen);
@@ -1540,8 +1532,7 @@ STATIC int
__xfs_refcount_cow_free(
struct xfs_btree_cur *rcur,
xfs_agblock_t agbno,
- xfs_extlen_t aglen,
- struct xfs_defer_ops *dfops)
+ xfs_extlen_t aglen)
{
trace_xfs_refcount_cow_decrease(rcur->bc_mp, rcur->bc_private.a.agno,
agbno, aglen);
@@ -1554,47 +1545,45 @@ __xfs_refcount_cow_free(
/* Record a CoW staging extent in the refcount btree. */
int
xfs_refcount_alloc_cow_extent(
- struct xfs_mount *mp,
- struct xfs_defer_ops *dfops,
+ struct xfs_trans *tp,
xfs_fsblock_t fsb,
xfs_extlen_t len)
{
+ struct xfs_mount *mp = tp->t_mountp;
int error;
if (!xfs_sb_version_hasreflink(&mp->m_sb))
return 0;
- error = __xfs_refcount_add(mp, dfops, XFS_REFCOUNT_ALLOC_COW,
- fsb, len);
+ error = __xfs_refcount_add(tp, XFS_REFCOUNT_ALLOC_COW, fsb, len);
if (error)
return error;
/* Add rmap entry */
- return xfs_rmap_alloc_extent(mp, dfops, XFS_FSB_TO_AGNO(mp, fsb),
+ return xfs_rmap_alloc_extent(tp, XFS_FSB_TO_AGNO(mp, fsb),
XFS_FSB_TO_AGBNO(mp, fsb), len, XFS_RMAP_OWN_COW);
}
/* Forget a CoW staging event in the refcount btree. */
int
xfs_refcount_free_cow_extent(
- struct xfs_mount *mp,
- struct xfs_defer_ops *dfops,
+ struct xfs_trans *tp,
xfs_fsblock_t fsb,
xfs_extlen_t len)
{
+ struct xfs_mount *mp = tp->t_mountp;
int error;
if (!xfs_sb_version_hasreflink(&mp->m_sb))
return 0;
/* Remove rmap entry */
- error = xfs_rmap_free_extent(mp, dfops, XFS_FSB_TO_AGNO(mp, fsb),
+ error = xfs_rmap_free_extent(tp, XFS_FSB_TO_AGNO(mp, fsb),
XFS_FSB_TO_AGBNO(mp, fsb), len, XFS_RMAP_OWN_COW);
if (error)
return error;
- return __xfs_refcount_add(mp, dfops, XFS_REFCOUNT_FREE_COW,
- fsb, len);
+ return __xfs_refcount_add(tp, XFS_REFCOUNT_FREE_COW, fsb, len);
}
struct xfs_refcount_recovery {
@@ -1635,7 +1624,6 @@ xfs_refcount_recover_cow_leftovers(
struct list_head debris;
union xfs_btree_irec low;
union xfs_btree_irec high;
- struct xfs_defer_ops dfops;
xfs_fsblock_t fsb;
xfs_agblock_t agbno;
int error;
@@ -1666,7 +1654,7 @@ xfs_refcount_recover_cow_leftovers(
error = -ENOMEM;
goto out_trans;
}
- cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, NULL);
+ cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno);
/* Find all the leftover CoW staging extents. */
memset(&low, 0, sizeof(low));
@@ -1675,11 +1663,11 @@ xfs_refcount_recover_cow_leftovers(
high.rc.rc_startblock = -1U;
error = xfs_btree_query_range(cur, &low, &high,
xfs_refcount_recover_extent, &debris);
- if (error)
- goto out_cursor;
- xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
+ xfs_btree_del_cursor(cur, error);
xfs_trans_brelse(tp, agbp);
xfs_trans_cancel(tp);
+ if (error)
+ goto out_free;
/* Now iterate the list to free the leftovers */
list_for_each_entry_safe(rr, n, &debris, rr_list) {
@@ -1691,21 +1679,15 @@ xfs_refcount_recover_cow_leftovers(
trace_xfs_refcount_recover_extent(mp, agno, &rr->rr_rrec);
/* Free the orphan record */
- xfs_defer_init(&dfops, &fsb);
agbno = rr->rr_rrec.rc_startblock - XFS_REFC_COW_START;
fsb = XFS_AGB_TO_FSB(mp, agno, agbno);
- error = xfs_refcount_free_cow_extent(mp, &dfops, fsb,
+ error = xfs_refcount_free_cow_extent(tp, fsb,
rr->rr_rrec.rc_blockcount);
if (error)
- goto out_defer;
+ goto out_trans;
/* Free the block. */
- xfs_bmap_add_free(mp, &dfops, fsb,
- rr->rr_rrec.rc_blockcount, NULL);
-
- error = xfs_defer_finish(&tp, &dfops);
- if (error)
- goto out_defer;
+ xfs_bmap_add_free(tp, fsb, rr->rr_rrec.rc_blockcount, NULL);
error = xfs_trans_commit(tp);
if (error)
@@ -1716,8 +1698,6 @@ xfs_refcount_recover_cow_leftovers(
}
return error;
-out_defer:
- xfs_defer_cancel(&dfops);
out_trans:
xfs_trans_cancel(tp);
out_free:
@@ -1727,11 +1707,6 @@ out_free:
kmem_free(rr);
}
return error;
-
-out_cursor:
- xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
- xfs_trans_brelse(tp, agbp);
- goto out_trans;
}
/* Is there a record covering a given extent? */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.