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-rw-r--r--fs/xfs/libxfs/xfs_ag.c40
-rw-r--r--fs/xfs/libxfs/xfs_ag.h21
-rw-r--r--fs/xfs/libxfs/xfs_alloc.c9
-rw-r--r--fs/xfs/libxfs/xfs_btree.c25
-rw-r--r--fs/xfs/libxfs/xfs_refcount.c13
-rw-r--r--fs/xfs/libxfs/xfs_rmap.c8
-rw-r--r--fs/xfs/libxfs/xfs_types.c18
-rw-r--r--fs/xfs/libxfs/xfs_types.h3
8 files changed, 87 insertions, 50 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c
index 1fa172501b3d..8f3e6ee85c34 100644
--- a/fs/xfs/libxfs/xfs_ag.c
+++ b/fs/xfs/libxfs/xfs_ag.c
@@ -201,10 +201,35 @@ xfs_free_perag(
}
}
+/* Find the size of the AG, in blocks. */
+static xfs_agblock_t
+__xfs_ag_block_count(
+ struct xfs_mount *mp,
+ xfs_agnumber_t agno,
+ xfs_agnumber_t agcount,
+ xfs_rfsblock_t dblocks)
+{
+ ASSERT(agno < agcount);
+
+ if (agno < agcount - 1)
+ return mp->m_sb.sb_agblocks;
+ return dblocks - (agno * mp->m_sb.sb_agblocks);
+}
+
+xfs_agblock_t
+xfs_ag_block_count(
+ struct xfs_mount *mp,
+ xfs_agnumber_t agno)
+{
+ return __xfs_ag_block_count(mp, agno, mp->m_sb.sb_agcount,
+ mp->m_sb.sb_dblocks);
+}
+
int
xfs_initialize_perag(
struct xfs_mount *mp,
xfs_agnumber_t agcount,
+ xfs_rfsblock_t dblocks,
xfs_agnumber_t *maxagi)
{
struct xfs_perag *pag;
@@ -270,6 +295,13 @@ xfs_initialize_perag(
/* first new pag is fully initialized */
if (first_initialised == NULLAGNUMBER)
first_initialised = index;
+
+ /*
+ * Pre-calculated geometry
+ */
+ pag->block_count = __xfs_ag_block_count(mp, index, agcount,
+ dblocks);
+ pag->min_block = XFS_AGFL_BLOCK(mp);
}
index = xfs_set_inode_alloc(mp, agcount);
@@ -927,10 +959,16 @@ xfs_ag_extend_space(
if (error)
return error;
- return xfs_free_extent(tp, XFS_AGB_TO_FSB(pag->pag_mount, pag->pag_agno,
+ error = xfs_free_extent(tp, XFS_AGB_TO_FSB(pag->pag_mount, pag->pag_agno,
be32_to_cpu(agf->agf_length) - len),
len, &XFS_RMAP_OINFO_SKIP_UPDATE,
XFS_AG_RESV_NONE);
+ if (error)
+ return error;
+
+ /* Update perag geometry */
+ pag->block_count = be32_to_cpu(agf->agf_length);
+ return 0;
}
/* Retrieve AG geometry. */
diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h
index 1132cda9a92f..77640f1409fd 100644
--- a/fs/xfs/libxfs/xfs_ag.h
+++ b/fs/xfs/libxfs/xfs_ag.h
@@ -67,6 +67,10 @@ struct xfs_perag {
/* for rcu-safe freeing */
struct rcu_head rcu_head;
+ /* Precalculated geometry info */
+ xfs_agblock_t block_count;
+ xfs_agblock_t min_block;
+
#ifdef __KERNEL__
/* -- kernel only structures below this line -- */
@@ -107,7 +111,7 @@ struct xfs_perag {
};
int xfs_initialize_perag(struct xfs_mount *mp, xfs_agnumber_t agcount,
- xfs_agnumber_t *maxagi);
+ xfs_rfsblock_t dcount, xfs_agnumber_t *maxagi);
int xfs_initialize_perag_data(struct xfs_mount *mp, xfs_agnumber_t agno);
void xfs_free_perag(struct xfs_mount *mp);
@@ -117,6 +121,21 @@ struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *mp, xfs_agnumber_t agno,
void xfs_perag_put(struct xfs_perag *pag);
/*
+ * Per-ag geometry infomation and validation
+ */
+xfs_agblock_t xfs_ag_block_count(struct xfs_mount *mp, xfs_agnumber_t agno);
+
+static inline bool
+xfs_verify_agbno(struct xfs_perag *pag, xfs_agblock_t agbno)
+{
+ if (agbno >= pag->block_count)
+ return false;
+ if (agbno <= pag->min_block)
+ return false;
+ return true;
+}
+
+/*
* Perag iteration APIs
*/
static inline struct xfs_perag *
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index ea9452950647..41557c430cb6 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -248,7 +248,7 @@ xfs_alloc_get_rec(
int *stat) /* output: success/failure */
{
struct xfs_mount *mp = cur->bc_mp;
- xfs_agnumber_t agno = cur->bc_ag.pag->pag_agno;
+ struct xfs_perag *pag = cur->bc_ag.pag;
union xfs_btree_rec *rec;
int error;
@@ -263,11 +263,11 @@ xfs_alloc_get_rec(
goto out_bad_rec;
/* check for valid extent range, including overflow */
- if (!xfs_verify_agbno(mp, agno, *bno))
+ if (!xfs_verify_agbno(pag, *bno))
goto out_bad_rec;
if (*bno > *bno + *len)
goto out_bad_rec;
- if (!xfs_verify_agbno(mp, agno, *bno + *len - 1))
+ if (!xfs_verify_agbno(pag, *bno + *len - 1))
goto out_bad_rec;
return 0;
@@ -275,7 +275,8 @@ xfs_alloc_get_rec(
out_bad_rec:
xfs_warn(mp,
"%s Freespace BTree record corruption in AG %d detected!",
- cur->bc_btnum == XFS_BTNUM_BNO ? "Block" : "Size", agno);
+ cur->bc_btnum == XFS_BTNUM_BNO ? "Block" : "Size",
+ pag->pag_agno);
xfs_warn(mp,
"start block 0x%x block count 0x%x", *bno, *len);
return -EFSCORRUPTED;
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 2eecc49fc1b2..06ab364d2de3 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -91,10 +91,9 @@ xfs_btree_check_lblock_siblings(
static inline xfs_failaddr_t
xfs_btree_check_sblock_siblings(
- struct xfs_mount *mp,
+ struct xfs_perag *pag,
struct xfs_btree_cur *cur,
int level,
- xfs_agnumber_t agno,
xfs_agblock_t agbno,
__be32 dsibling)
{
@@ -110,7 +109,7 @@ xfs_btree_check_sblock_siblings(
if (!xfs_btree_check_sptr(cur, sibling, level + 1))
return __this_address;
} else {
- if (!xfs_verify_agbno(mp, agno, sibling))
+ if (!xfs_verify_agbno(pag, sibling))
return __this_address;
}
return NULL;
@@ -195,11 +194,11 @@ __xfs_btree_check_sblock(
struct xfs_buf *bp)
{
struct xfs_mount *mp = cur->bc_mp;
+ struct xfs_perag *pag = cur->bc_ag.pag;
xfs_btnum_t btnum = cur->bc_btnum;
int crc = xfs_has_crc(mp);
xfs_failaddr_t fa;
xfs_agblock_t agbno = NULLAGBLOCK;
- xfs_agnumber_t agno = NULLAGNUMBER;
if (crc) {
if (!uuid_equal(&block->bb_u.s.bb_uuid, &mp->m_sb.sb_meta_uuid))
@@ -217,16 +216,14 @@ __xfs_btree_check_sblock(
cur->bc_ops->get_maxrecs(cur, level))
return __this_address;
- if (bp) {
+ if (bp)
agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp));
- agno = xfs_daddr_to_agno(mp, xfs_buf_daddr(bp));
- }
- fa = xfs_btree_check_sblock_siblings(mp, cur, level, agno, agbno,
+ fa = xfs_btree_check_sblock_siblings(pag, cur, level, agbno,
block->bb_u.s.bb_leftsib);
if (!fa)
- fa = xfs_btree_check_sblock_siblings(mp, cur, level, agno,
- agbno, block->bb_u.s.bb_rightsib);
+ fa = xfs_btree_check_sblock_siblings(pag, cur, level, agbno,
+ block->bb_u.s.bb_rightsib);
return fa;
}
@@ -288,7 +285,7 @@ xfs_btree_check_sptr(
{
if (level <= 0)
return false;
- return xfs_verify_agbno(cur->bc_mp, cur->bc_ag.pag->pag_agno, agbno);
+ return xfs_verify_agbno(cur->bc_ag.pag, agbno);
}
/*
@@ -4595,7 +4592,6 @@ xfs_btree_sblock_verify(
{
struct xfs_mount *mp = bp->b_mount;
struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
- xfs_agnumber_t agno;
xfs_agblock_t agbno;
xfs_failaddr_t fa;
@@ -4604,12 +4600,11 @@ xfs_btree_sblock_verify(
return __this_address;
/* sibling pointer verification */
- agno = xfs_daddr_to_agno(mp, xfs_buf_daddr(bp));
agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp));
- fa = xfs_btree_check_sblock_siblings(mp, NULL, -1, agno, agbno,
+ fa = xfs_btree_check_sblock_siblings(bp->b_pag, NULL, -1, agbno,
block->bb_u.s.bb_leftsib);
if (!fa)
- fa = xfs_btree_check_sblock_siblings(mp, NULL, -1, agno, agbno,
+ fa = xfs_btree_check_sblock_siblings(bp->b_pag, NULL, -1, agbno,
block->bb_u.s.bb_rightsib);
return fa;
}
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 098dac888c22..64b910caafaa 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -111,7 +111,7 @@ xfs_refcount_get_rec(
int *stat)
{
struct xfs_mount *mp = cur->bc_mp;
- xfs_agnumber_t agno = cur->bc_ag.pag->pag_agno;
+ struct xfs_perag *pag = cur->bc_ag.pag;
union xfs_btree_rec *rec;
int error;
xfs_agblock_t realstart;
@@ -121,8 +121,6 @@ xfs_refcount_get_rec(
return error;
xfs_refcount_btrec_to_irec(rec, irec);
-
- agno = cur->bc_ag.pag->pag_agno;
if (irec->rc_blockcount == 0 || irec->rc_blockcount > MAXREFCEXTLEN)
goto out_bad_rec;
@@ -137,22 +135,23 @@ xfs_refcount_get_rec(
}
/* check for valid extent range, including overflow */
- if (!xfs_verify_agbno(mp, agno, realstart))
+ if (!xfs_verify_agbno(pag, realstart))
goto out_bad_rec;
if (realstart > realstart + irec->rc_blockcount)
goto out_bad_rec;
- if (!xfs_verify_agbno(mp, agno, realstart + irec->rc_blockcount - 1))
+ if (!xfs_verify_agbno(pag, realstart + irec->rc_blockcount - 1))
goto out_bad_rec;
if (irec->rc_refcount == 0 || irec->rc_refcount > MAXREFCOUNT)
goto out_bad_rec;
- trace_xfs_refcount_get(cur->bc_mp, cur->bc_ag.pag->pag_agno, irec);
+ trace_xfs_refcount_get(cur->bc_mp, pag->pag_agno, irec);
return 0;
out_bad_rec:
xfs_warn(mp,
- "Refcount BTree record corruption in AG %d detected!", agno);
+ "Refcount BTree record corruption in AG %d detected!",
+ pag->pag_agno);
xfs_warn(mp,
"Start block 0x%x, block count 0x%x, references 0x%x",
irec->rc_startblock, irec->rc_blockcount, irec->rc_refcount);
diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index 2845019d31da..094dfc897ebc 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -215,7 +215,7 @@ xfs_rmap_get_rec(
int *stat)
{
struct xfs_mount *mp = cur->bc_mp;
- xfs_agnumber_t agno = cur->bc_ag.pag->pag_agno;
+ struct xfs_perag *pag = cur->bc_ag.pag;
union xfs_btree_rec *rec;
int error;
@@ -235,12 +235,12 @@ xfs_rmap_get_rec(
goto out_bad_rec;
} else {
/* check for valid extent range, including overflow */
- if (!xfs_verify_agbno(mp, agno, irec->rm_startblock))
+ if (!xfs_verify_agbno(pag, irec->rm_startblock))
goto out_bad_rec;
if (irec->rm_startblock >
irec->rm_startblock + irec->rm_blockcount)
goto out_bad_rec;
- if (!xfs_verify_agbno(mp, agno,
+ if (!xfs_verify_agbno(pag,
irec->rm_startblock + irec->rm_blockcount - 1))
goto out_bad_rec;
}
@@ -254,7 +254,7 @@ xfs_rmap_get_rec(
out_bad_rec:
xfs_warn(mp,
"Reverse Mapping BTree record corruption in AG %d detected!",
- agno);
+ pag->pag_agno);
xfs_warn(mp,
"Owner 0x%llx, flags 0x%x, start block 0x%x block count 0x%x",
irec->rm_owner, irec->rm_flags, irec->rm_startblock,
diff --git a/fs/xfs/libxfs/xfs_types.c b/fs/xfs/libxfs/xfs_types.c
index e810d23f2d97..b3c6b0274e95 100644
--- a/fs/xfs/libxfs/xfs_types.c
+++ b/fs/xfs/libxfs/xfs_types.c
@@ -13,25 +13,13 @@
#include "xfs_mount.h"
#include "xfs_ag.h"
-/* Find the size of the AG, in blocks. */
-inline xfs_agblock_t
-xfs_ag_block_count(
- struct xfs_mount *mp,
- xfs_agnumber_t agno)
-{
- ASSERT(agno < mp->m_sb.sb_agcount);
-
- if (agno < mp->m_sb.sb_agcount - 1)
- return mp->m_sb.sb_agblocks;
- return mp->m_sb.sb_dblocks - (agno * mp->m_sb.sb_agblocks);
-}
/*
* Verify that an AG block number pointer neither points outside the AG
* nor points at static metadata.
*/
-inline bool
-xfs_verify_agbno(
+static inline bool
+xfs_verify_agno_agbno(
struct xfs_mount *mp,
xfs_agnumber_t agno,
xfs_agblock_t agbno)
@@ -59,7 +47,7 @@ xfs_verify_fsbno(
if (agno >= mp->m_sb.sb_agcount)
return false;
- return xfs_verify_agbno(mp, agno, XFS_FSB_TO_AGBNO(mp, fsbno));
+ return xfs_verify_agno_agbno(mp, agno, XFS_FSB_TO_AGBNO(mp, fsbno));
}
/*
diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h
index 373f64a492a4..ccf61afb959d 100644
--- a/fs/xfs/libxfs/xfs_types.h
+++ b/fs/xfs/libxfs/xfs_types.h
@@ -179,9 +179,6 @@ enum xfs_ag_resv_type {
*/
struct xfs_mount;
-xfs_agblock_t xfs_ag_block_count(struct xfs_mount *mp, xfs_agnumber_t agno);
-bool xfs_verify_agbno(struct xfs_mount *mp, xfs_agnumber_t agno,
- xfs_agblock_t agbno);
bool xfs_verify_fsbno(struct xfs_mount *mp, xfs_fsblock_t fsbno);
bool xfs_verify_fsbext(struct xfs_mount *mp, xfs_fsblock_t fsbno,
xfs_fsblock_t len);
generated by cgit v1.2.3 (git 2.0.4) at 2025-12-27 12:52:33 +0000