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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.c96
1 files changed, 43 insertions, 53 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 3f34bafe18dd..f66f2dd8940d 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -1099,37 +1099,33 @@ out_error:
STATIC int
xfs_refcount_adjust(
struct xfs_btree_cur *cur,
- xfs_agblock_t agbno,
- xfs_extlen_t aglen,
- xfs_agblock_t *new_agbno,
- xfs_extlen_t *new_aglen,
+ xfs_agblock_t *agbno,
+ xfs_extlen_t *aglen,
enum xfs_refc_adjust_op adj)
{
bool shape_changed;
int shape_changes = 0;
int error;
- *new_agbno = agbno;
- *new_aglen = aglen;
if (adj == XFS_REFCOUNT_ADJUST_INCREASE)
- trace_xfs_refcount_increase(cur->bc_mp, cur->bc_ag.pag->pag_agno,
- agbno, aglen);
+ trace_xfs_refcount_increase(cur->bc_mp,
+ cur->bc_ag.pag->pag_agno, *agbno, *aglen);
else
- trace_xfs_refcount_decrease(cur->bc_mp, cur->bc_ag.pag->pag_agno,
- agbno, aglen);
+ trace_xfs_refcount_decrease(cur->bc_mp,
+ cur->bc_ag.pag->pag_agno, *agbno, *aglen);
/*
* Ensure that no rcextents cross the boundary of the adjustment range.
*/
error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_SHARED,
- agbno, &shape_changed);
+ *agbno, &shape_changed);
if (error)
goto out_error;
if (shape_changed)
shape_changes++;
error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_SHARED,
- agbno + aglen, &shape_changed);
+ *agbno + *aglen, &shape_changed);
if (error)
goto out_error;
if (shape_changed)
@@ -1139,7 +1135,7 @@ xfs_refcount_adjust(
* Try to merge with the left or right extents of the range.
*/
error = xfs_refcount_merge_extents(cur, XFS_REFC_DOMAIN_SHARED,
- new_agbno, new_aglen, adj, &shape_changed);
+ agbno, aglen, adj, &shape_changed);
if (error)
goto out_error;
if (shape_changed)
@@ -1148,7 +1144,7 @@ xfs_refcount_adjust(
cur->bc_ag.refc.shape_changes++;
/* Now that we've taken care of the ends, adjust the middle extents */
- error = xfs_refcount_adjust_extents(cur, new_agbno, new_aglen, adj);
+ error = xfs_refcount_adjust_extents(cur, agbno, aglen, adj);
if (error)
goto out_error;
@@ -1184,21 +1180,20 @@ xfs_refcount_finish_one_cleanup(
static inline int
xfs_refcount_continue_op(
struct xfs_btree_cur *cur,
- xfs_fsblock_t startblock,
- xfs_agblock_t new_agbno,
- xfs_extlen_t new_len,
- xfs_fsblock_t *new_fsbno)
+ struct xfs_refcount_intent *ri,
+ xfs_agblock_t new_agbno)
{
struct xfs_mount *mp = cur->bc_mp;
struct xfs_perag *pag = cur->bc_ag.pag;
- if (XFS_IS_CORRUPT(mp, !xfs_verify_agbext(pag, new_agbno, new_len)))
+ if (XFS_IS_CORRUPT(mp, !xfs_verify_agbext(pag, new_agbno,
+ ri->ri_blockcount)))
return -EFSCORRUPTED;
- *new_fsbno = XFS_AGB_TO_FSB(mp, pag->pag_agno, new_agbno);
+ ri->ri_startblock = XFS_AGB_TO_FSB(mp, pag->pag_agno, new_agbno);
- ASSERT(xfs_verify_fsbext(mp, *new_fsbno, new_len));
- ASSERT(pag->pag_agno == XFS_FSB_TO_AGNO(mp, *new_fsbno));
+ ASSERT(xfs_verify_fsbext(mp, ri->ri_startblock, ri->ri_blockcount));
+ ASSERT(pag->pag_agno == XFS_FSB_TO_AGNO(mp, ri->ri_startblock));
return 0;
}
@@ -1213,11 +1208,7 @@ xfs_refcount_continue_op(
int
xfs_refcount_finish_one(
struct xfs_trans *tp,
- enum xfs_refcount_intent_type type,
- xfs_fsblock_t startblock,
- xfs_extlen_t blockcount,
- xfs_fsblock_t *new_fsb,
- xfs_extlen_t *new_len,
+ struct xfs_refcount_intent *ri,
struct xfs_btree_cur **pcur)
{
struct xfs_mount *mp = tp->t_mountp;
@@ -1225,17 +1216,16 @@ xfs_refcount_finish_one(
struct xfs_buf *agbp = NULL;
int error = 0;
xfs_agblock_t bno;
- xfs_agblock_t new_agbno;
unsigned long nr_ops = 0;
int shape_changes = 0;
struct xfs_perag *pag;
- pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, startblock));
- bno = XFS_FSB_TO_AGBNO(mp, startblock);
+ pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, ri->ri_startblock));
+ bno = XFS_FSB_TO_AGBNO(mp, ri->ri_startblock);
- trace_xfs_refcount_deferred(mp, XFS_FSB_TO_AGNO(mp, startblock),
- type, XFS_FSB_TO_AGBNO(mp, startblock),
- blockcount);
+ trace_xfs_refcount_deferred(mp, XFS_FSB_TO_AGNO(mp, ri->ri_startblock),
+ ri->ri_type, XFS_FSB_TO_AGBNO(mp, ri->ri_startblock),
+ ri->ri_blockcount);
if (XFS_TEST_ERROR(false, mp, XFS_ERRTAG_REFCOUNT_FINISH_ONE)) {
error = -EIO;
@@ -1266,42 +1256,42 @@ xfs_refcount_finish_one(
}
*pcur = rcur;
- switch (type) {
+ switch (ri->ri_type) {
case XFS_REFCOUNT_INCREASE:
- error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno,
- new_len, XFS_REFCOUNT_ADJUST_INCREASE);
+ error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount,
+ XFS_REFCOUNT_ADJUST_INCREASE);
if (error)
goto out_drop;
- if (*new_len > 0)
- error = xfs_refcount_continue_op(rcur, startblock,
- new_agbno, *new_len, new_fsb);
+ if (ri->ri_blockcount > 0)
+ error = xfs_refcount_continue_op(rcur, ri, bno);
break;
case XFS_REFCOUNT_DECREASE:
- error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno,
- new_len, XFS_REFCOUNT_ADJUST_DECREASE);
+ error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount,
+ XFS_REFCOUNT_ADJUST_DECREASE);
if (error)
goto out_drop;
- if (*new_len > 0)
- error = xfs_refcount_continue_op(rcur, startblock,
- new_agbno, *new_len, new_fsb);
+ if (ri->ri_blockcount > 0)
+ error = xfs_refcount_continue_op(rcur, ri, bno);
break;
case XFS_REFCOUNT_ALLOC_COW:
- *new_fsb = startblock + blockcount;
- *new_len = 0;
- error = __xfs_refcount_cow_alloc(rcur, bno, blockcount);
+ error = __xfs_refcount_cow_alloc(rcur, bno, ri->ri_blockcount);
+ if (error)
+ goto out_drop;
+ ri->ri_blockcount = 0;
break;
case XFS_REFCOUNT_FREE_COW:
- *new_fsb = startblock + blockcount;
- *new_len = 0;
- error = __xfs_refcount_cow_free(rcur, bno, blockcount);
+ error = __xfs_refcount_cow_free(rcur, bno, ri->ri_blockcount);
+ if (error)
+ goto out_drop;
+ ri->ri_blockcount = 0;
break;
default:
ASSERT(0);
error = -EFSCORRUPTED;
}
- if (!error && *new_len > 0)
- trace_xfs_refcount_finish_one_leftover(mp, pag->pag_agno, type,
- bno, blockcount, new_agbno, *new_len);
+ if (!error && ri->ri_blockcount > 0)
+ trace_xfs_refcount_finish_one_leftover(mp, pag->pag_agno,
+ ri->ri_type, bno, ri->ri_blockcount);
out_drop:
xfs_perag_put(pag);
return error;