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path: root/fs/xfs/libxfs/xfs_refcount_btree.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_refcount_btree.c')
-rw-r--r--fs/xfs/libxfs/xfs_refcount_btree.c100
1 files changed, 39 insertions, 61 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c
index 0d80bd99147c..54505fee1852 100644
--- a/fs/xfs/libxfs/xfs_refcount_btree.c
+++ b/fs/xfs/libxfs/xfs_refcount_btree.c
@@ -16,6 +16,7 @@
#include "xfs_refcount.h"
#include "xfs_alloc.h"
#include "xfs_error.h"
+#include "xfs_health.h"
#include "xfs_trace.h"
#include "xfs_trans.h"
#include "xfs_bit.h"
@@ -29,7 +30,7 @@ xfs_refcountbt_dup_cursor(
struct xfs_btree_cur *cur)
{
return xfs_refcountbt_init_cursor(cur->bc_mp, cur->bc_tp,
- cur->bc_ag.agbp, cur->bc_ag.pag);
+ cur->bc_ag.agbp, to_perag(cur->bc_group));
}
STATIC void
@@ -67,23 +68,20 @@ xfs_refcountbt_alloc_block(
memset(&args, 0, sizeof(args));
args.tp = cur->bc_tp;
args.mp = cur->bc_mp;
- args.pag = cur->bc_ag.pag;
+ args.pag = to_perag(cur->bc_group);
args.oinfo = XFS_RMAP_OINFO_REFC;
args.minlen = args.maxlen = args.prod = 1;
args.resv = XFS_AG_RESV_METADATA;
error = xfs_alloc_vextent_near_bno(&args,
- XFS_AGB_TO_FSB(args.mp, args.pag->pag_agno,
- xfs_refc_block(args.mp)));
+ xfs_agbno_to_fsb(args.pag, xfs_refc_block(args.mp)));
if (error)
goto out_error;
- trace_xfs_refcountbt_alloc_block(cur->bc_mp, cur->bc_ag.pag->pag_agno,
- args.agbno, 1);
if (args.fsbno == NULLFSBLOCK) {
*stat = 0;
return 0;
}
- ASSERT(args.agno == cur->bc_ag.pag->pag_agno);
+ ASSERT(args.agno == cur->bc_group->xg_gno);
ASSERT(args.len == 1);
new->s = cpu_to_be32(args.agbno);
@@ -107,12 +105,10 @@ xfs_refcountbt_free_block(
struct xfs_agf *agf = agbp->b_addr;
xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, xfs_buf_daddr(bp));
- trace_xfs_refcountbt_free_block(cur->bc_mp, cur->bc_ag.pag->pag_agno,
- XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), 1);
be32_add_cpu(&agf->agf_refcount_blocks, -1);
xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_REFCOUNT_BLOCKS);
return xfs_free_extent_later(cur->bc_tp, fsbno, 1,
- &XFS_RMAP_OINFO_REFC, XFS_AG_RESV_METADATA, false);
+ &XFS_RMAP_OINFO_REFC, XFS_AG_RESV_METADATA, 0);
}
STATIC int
@@ -173,7 +169,7 @@ xfs_refcountbt_init_ptr_from_cur(
{
struct xfs_agf *agf = cur->bc_ag.agbp->b_addr;
- ASSERT(cur->bc_ag.pag->pag_agno == be32_to_cpu(agf->agf_seqno));
+ ASSERT(cur->bc_group->xg_gno == be32_to_cpu(agf->agf_seqno));
ptr->s = agf->agf_refcount_root;
}
@@ -220,7 +216,7 @@ xfs_refcountbt_verify(
if (!xfs_has_reflink(mp))
return __this_address;
- fa = xfs_btree_sblock_v5hdr_verify(bp);
+ fa = xfs_btree_agblock_v5hdr_verify(bp);
if (fa)
return fa;
@@ -242,7 +238,7 @@ xfs_refcountbt_verify(
} else if (level >= mp->m_refc_maxlevels)
return __this_address;
- return xfs_btree_sblock_verify(bp, mp->m_refc_mxr[level != 0]);
+ return xfs_btree_agblock_verify(bp, mp->m_refc_mxr[level != 0]);
}
STATIC void
@@ -251,7 +247,7 @@ xfs_refcountbt_read_verify(
{
xfs_failaddr_t fa;
- if (!xfs_btree_sblock_verify_crc(bp))
+ if (!xfs_btree_agblock_verify_crc(bp))
xfs_verifier_error(bp, -EFSBADCRC, __this_address);
else {
fa = xfs_refcountbt_verify(bp);
@@ -275,7 +271,7 @@ xfs_refcountbt_write_verify(
xfs_verifier_error(bp, -EFSCORRUPTED, fa);
return;
}
- xfs_btree_sblock_calc_crc(bp);
+ xfs_btree_agblock_calc_crc(bp);
}
@@ -321,9 +317,17 @@ xfs_refcountbt_keys_contiguous(
be32_to_cpu(key2->refc.rc_startblock));
}
-static const struct xfs_btree_ops xfs_refcountbt_ops = {
+const struct xfs_btree_ops xfs_refcountbt_ops = {
+ .name = "refcount",
+ .type = XFS_BTREE_TYPE_AG,
+
.rec_len = sizeof(struct xfs_refcount_rec),
.key_len = sizeof(struct xfs_refcount_key),
+ .ptr_len = XFS_BTREE_SHORT_PTR_LEN,
+
+ .lru_refs = XFS_REFC_BTREE_REF,
+ .statoff = XFS_STATS_CALC_INDEX(xs_refcbt_2),
+ .sick_mask = XFS_SICK_AG_REFCNTBT,
.dup_cursor = xfs_refcountbt_dup_cursor,
.set_root = xfs_refcountbt_set_root,
@@ -344,32 +348,10 @@ static const struct xfs_btree_ops xfs_refcountbt_ops = {
};
/*
- * Initialize a new refcount btree cursor.
+ * Create a new refcount btree cursor.
+ *
+ * For staging cursors tp and agbp are NULL.
*/
-static struct xfs_btree_cur *
-xfs_refcountbt_init_common(
- struct xfs_mount *mp,
- struct xfs_trans *tp,
- struct xfs_perag *pag)
-{
- struct xfs_btree_cur *cur;
-
- ASSERT(pag->pag_agno < mp->m_sb.sb_agcount);
-
- cur = xfs_btree_alloc_cursor(mp, tp, XFS_BTNUM_REFC,
- mp->m_refc_maxlevels, xfs_refcountbt_cur_cache);
- cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_refcbt_2);
-
- cur->bc_flags |= XFS_BTREE_CRC_BLOCKS;
-
- cur->bc_ag.pag = xfs_perag_hold(pag);
- cur->bc_ag.refc.nr_ops = 0;
- cur->bc_ag.refc.shape_changes = 0;
- cur->bc_ops = &xfs_refcountbt_ops;
- return cur;
-}
-
-/* Create a btree cursor. */
struct xfs_btree_cur *
xfs_refcountbt_init_cursor(
struct xfs_mount *mp,
@@ -377,26 +359,21 @@ xfs_refcountbt_init_cursor(
struct xfs_buf *agbp,
struct xfs_perag *pag)
{
- struct xfs_agf *agf = agbp->b_addr;
struct xfs_btree_cur *cur;
- cur = xfs_refcountbt_init_common(mp, tp, pag);
- cur->bc_nlevels = be32_to_cpu(agf->agf_refcount_level);
- cur->bc_ag.agbp = agbp;
- return cur;
-}
+ ASSERT(pag_agno(pag) < mp->m_sb.sb_agcount);
-/* Create a btree cursor with a fake root for staging. */
-struct xfs_btree_cur *
-xfs_refcountbt_stage_cursor(
- struct xfs_mount *mp,
- struct xbtree_afakeroot *afake,
- struct xfs_perag *pag)
-{
- struct xfs_btree_cur *cur;
+ cur = xfs_btree_alloc_cursor(mp, tp, &xfs_refcountbt_ops,
+ mp->m_refc_maxlevels, xfs_refcountbt_cur_cache);
+ cur->bc_group = xfs_group_hold(pag_group(pag));
+ cur->bc_refc.nr_ops = 0;
+ cur->bc_refc.shape_changes = 0;
+ cur->bc_ag.agbp = agbp;
+ if (agbp) {
+ struct xfs_agf *agf = agbp->b_addr;
- cur = xfs_refcountbt_init_common(mp, NULL, pag);
- xfs_btree_stage_afakeroot(cur, afake);
+ cur->bc_nlevels = be32_to_cpu(agf->agf_refcount_level);
+ }
return cur;
}
@@ -421,7 +398,7 @@ xfs_refcountbt_commit_staged_btree(
xfs_alloc_log_agf(tp, agbp, XFS_AGF_REFCOUNT_BLOCKS |
XFS_AGF_REFCOUNT_ROOT |
XFS_AGF_REFCOUNT_LEVEL);
- xfs_btree_commit_afakeroot(cur, tp, agbp, &xfs_refcountbt_ops);
+ xfs_btree_commit_afakeroot(cur, tp, agbp);
}
/* Calculate number of records in a refcount btree block. */
@@ -439,9 +416,10 @@ xfs_refcountbt_block_maxrecs(
/*
* Calculate the number of records in a refcount btree block.
*/
-int
+unsigned int
xfs_refcountbt_maxrecs(
- int blocklen,
+ struct xfs_mount *mp,
+ unsigned int blocklen,
bool leaf)
{
blocklen -= XFS_REFCOUNT_BLOCK_LEN;
@@ -536,7 +514,7 @@ xfs_refcountbt_calc_reserves(
* never be available for the kinds of things that would require btree
* expansion. We therefore can pretend the space isn't there.
*/
- if (xfs_ag_contains_log(mp, pag->pag_agno))
+ if (xfs_ag_contains_log(mp, pag_agno(pag)))
agblocks -= mp->m_sb.sb_logblocks;
*ask += xfs_refcountbt_max_size(mp, agblocks);
generated by cgit (git 2.34.1) at 2025-07-26 18:14:05 +0000