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path: root/fs/xfs/libxfs/xfs_rmap.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap.c')
-rw-r--r--fs/xfs/libxfs/xfs_rmap.c1040
1 files changed, 678 insertions, 362 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index b56aca1e7c66..83e0488ff773 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -23,6 +23,10 @@
#include "xfs_error.h"
#include "xfs_inode.h"
#include "xfs_ag.h"
+#include "xfs_health.h"
+#include "xfs_rmap_item.h"
+#include "xfs_rtgroup.h"
+#include "xfs_rtrmap_btree.h"
struct kmem_cache *xfs_rmap_intent_cache;
@@ -56,8 +60,10 @@ xfs_rmap_lookup_le(
error = xfs_rmap_get_rec(cur, irec, &get_stat);
if (error)
return error;
- if (!get_stat)
+ if (!get_stat) {
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
+ }
return 0;
}
@@ -97,8 +103,7 @@ xfs_rmap_update(
union xfs_btree_rec rec;
int error;
- trace_xfs_rmap_update(cur->bc_mp, cur->bc_ag.pag->pag_agno,
- irec->rm_startblock, irec->rm_blockcount,
+ trace_xfs_rmap_update(cur, irec->rm_startblock, irec->rm_blockcount,
irec->rm_owner, irec->rm_offset, irec->rm_flags);
rec.rmap.rm_startblock = cpu_to_be32(irec->rm_startblock);
@@ -108,8 +113,7 @@ xfs_rmap_update(
xfs_rmap_irec_offset_pack(irec));
error = xfs_btree_update(cur, &rec);
if (error)
- trace_xfs_rmap_update_error(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, error, _RET_IP_);
+ trace_xfs_rmap_update_error(cur, error, _RET_IP_);
return error;
}
@@ -125,13 +129,13 @@ xfs_rmap_insert(
int i;
int error;
- trace_xfs_rmap_insert(rcur->bc_mp, rcur->bc_ag.pag->pag_agno, agbno,
- len, owner, offset, flags);
+ trace_xfs_rmap_insert(rcur, agbno, len, owner, offset, flags);
error = xfs_rmap_lookup_eq(rcur, agbno, len, owner, offset, flags, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(rcur->bc_mp, i != 0)) {
+ xfs_btree_mark_sick(rcur);
error = -EFSCORRUPTED;
goto done;
}
@@ -145,13 +149,13 @@ xfs_rmap_insert(
if (error)
goto done;
if (XFS_IS_CORRUPT(rcur->bc_mp, i != 1)) {
+ xfs_btree_mark_sick(rcur);
error = -EFSCORRUPTED;
goto done;
}
done:
if (error)
- trace_xfs_rmap_insert_error(rcur->bc_mp,
- rcur->bc_ag.pag->pag_agno, error, _RET_IP_);
+ trace_xfs_rmap_insert_error(rcur, error, _RET_IP_);
return error;
}
@@ -167,13 +171,13 @@ xfs_rmap_delete(
int i;
int error;
- trace_xfs_rmap_delete(rcur->bc_mp, rcur->bc_ag.pag->pag_agno, agbno,
- len, owner, offset, flags);
+ trace_xfs_rmap_delete(rcur, agbno, len, owner, offset, flags);
error = xfs_rmap_lookup_eq(rcur, agbno, len, owner, offset, flags, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(rcur->bc_mp, i != 1)) {
+ xfs_btree_mark_sick(rcur);
error = -EFSCORRUPTED;
goto done;
}
@@ -182,18 +186,18 @@ xfs_rmap_delete(
if (error)
goto done;
if (XFS_IS_CORRUPT(rcur->bc_mp, i != 1)) {
+ xfs_btree_mark_sick(rcur);
error = -EFSCORRUPTED;
goto done;
}
done:
if (error)
- trace_xfs_rmap_delete_error(rcur->bc_mp,
- rcur->bc_ag.pag->pag_agno, error, _RET_IP_);
+ trace_xfs_rmap_delete_error(rcur, error, _RET_IP_);
return error;
}
/* Convert an internal btree record to an rmap record. */
-int
+xfs_failaddr_t
xfs_rmap_btrec_to_irec(
const union xfs_btree_rec *rec,
struct xfs_rmap_irec *irec)
@@ -205,58 +209,190 @@ xfs_rmap_btrec_to_irec(
irec);
}
-/*
- * Get the data from the pointed-to record.
- */
-int
-xfs_rmap_get_rec(
- struct xfs_btree_cur *cur,
- struct xfs_rmap_irec *irec,
- int *stat)
+/* Simple checks for rmap records. */
+xfs_failaddr_t
+xfs_rmap_check_irec(
+ struct xfs_perag *pag,
+ const struct xfs_rmap_irec *irec)
{
- struct xfs_mount *mp = cur->bc_mp;
- struct xfs_perag *pag = cur->bc_ag.pag;
- union xfs_btree_rec *rec;
- int error;
-
- error = xfs_btree_get_rec(cur, &rec, stat);
- if (error || !*stat)
- return error;
-
- if (xfs_rmap_btrec_to_irec(rec, irec))
- goto out_bad_rec;
+ struct xfs_mount *mp = pag_mount(pag);
+ bool is_inode;
+ bool is_unwritten;
+ bool is_bmbt;
+ bool is_attr;
if (irec->rm_blockcount == 0)
- goto out_bad_rec;
+ return __this_address;
if (irec->rm_startblock <= XFS_AGFL_BLOCK(mp)) {
if (irec->rm_owner != XFS_RMAP_OWN_FS)
- goto out_bad_rec;
+ return __this_address;
if (irec->rm_blockcount != XFS_AGFL_BLOCK(mp) + 1)
- goto out_bad_rec;
+ return __this_address;
} else {
/* check for valid extent range, including overflow */
if (!xfs_verify_agbext(pag, irec->rm_startblock,
irec->rm_blockcount))
- goto out_bad_rec;
+ return __this_address;
}
if (!(xfs_verify_ino(mp, irec->rm_owner) ||
(irec->rm_owner <= XFS_RMAP_OWN_FS &&
irec->rm_owner >= XFS_RMAP_OWN_MIN)))
- goto out_bad_rec;
+ return __this_address;
- return 0;
-out_bad_rec:
- xfs_warn(mp,
- "Reverse Mapping BTree record corruption in AG %d detected!",
- pag->pag_agno);
+ /* Check flags. */
+ is_inode = !XFS_RMAP_NON_INODE_OWNER(irec->rm_owner);
+ is_bmbt = irec->rm_flags & XFS_RMAP_BMBT_BLOCK;
+ is_attr = irec->rm_flags & XFS_RMAP_ATTR_FORK;
+ is_unwritten = irec->rm_flags & XFS_RMAP_UNWRITTEN;
+
+ if (is_bmbt && irec->rm_offset != 0)
+ return __this_address;
+
+ if (!is_inode && irec->rm_offset != 0)
+ return __this_address;
+
+ if (is_unwritten && (is_bmbt || !is_inode || is_attr))
+ return __this_address;
+
+ if (!is_inode && (is_bmbt || is_unwritten || is_attr))
+ return __this_address;
+
+ /* Check for a valid fork offset, if applicable. */
+ if (is_inode && !is_bmbt &&
+ !xfs_verify_fileext(mp, irec->rm_offset, irec->rm_blockcount))
+ return __this_address;
+
+ return NULL;
+}
+
+static xfs_failaddr_t
+xfs_rtrmap_check_meta_irec(
+ struct xfs_rtgroup *rtg,
+ const struct xfs_rmap_irec *irec)
+{
+ struct xfs_mount *mp = rtg_mount(rtg);
+
+ if (irec->rm_offset != 0)
+ return __this_address;
+ if (irec->rm_flags & XFS_RMAP_UNWRITTEN)
+ return __this_address;
+
+ switch (irec->rm_owner) {
+ case XFS_RMAP_OWN_FS:
+ if (irec->rm_startblock != 0)
+ return __this_address;
+ if (irec->rm_blockcount != mp->m_sb.sb_rextsize)
+ return __this_address;
+ return NULL;
+ case XFS_RMAP_OWN_COW:
+ if (!xfs_has_rtreflink(mp))
+ return __this_address;
+ if (!xfs_verify_rgbext(rtg, irec->rm_startblock,
+ irec->rm_blockcount))
+ return __this_address;
+ return NULL;
+ default:
+ return __this_address;
+ }
+
+ return NULL;
+}
+
+static xfs_failaddr_t
+xfs_rtrmap_check_inode_irec(
+ struct xfs_rtgroup *rtg,
+ const struct xfs_rmap_irec *irec)
+{
+ struct xfs_mount *mp = rtg_mount(rtg);
+
+ if (!xfs_verify_ino(mp, irec->rm_owner))
+ return __this_address;
+ if (!xfs_verify_rgbext(rtg, irec->rm_startblock, irec->rm_blockcount))
+ return __this_address;
+ if (!xfs_verify_fileext(mp, irec->rm_offset, irec->rm_blockcount))
+ return __this_address;
+ return NULL;
+}
+
+xfs_failaddr_t
+xfs_rtrmap_check_irec(
+ struct xfs_rtgroup *rtg,
+ const struct xfs_rmap_irec *irec)
+{
+ if (irec->rm_blockcount == 0)
+ return __this_address;
+ if (irec->rm_flags & (XFS_RMAP_BMBT_BLOCK | XFS_RMAP_ATTR_FORK))
+ return __this_address;
+ if (XFS_RMAP_NON_INODE_OWNER(irec->rm_owner))
+ return xfs_rtrmap_check_meta_irec(rtg, irec);
+ return xfs_rtrmap_check_inode_irec(rtg, irec);
+}
+
+static inline xfs_failaddr_t
+xfs_rmap_check_btrec(
+ struct xfs_btree_cur *cur,
+ const struct xfs_rmap_irec *irec)
+{
+ if (xfs_btree_is_rtrmap(cur->bc_ops) ||
+ xfs_btree_is_mem_rtrmap(cur->bc_ops))
+ return xfs_rtrmap_check_irec(to_rtg(cur->bc_group), irec);
+ return xfs_rmap_check_irec(to_perag(cur->bc_group), irec);
+}
+
+static inline int
+xfs_rmap_complain_bad_rec(
+ struct xfs_btree_cur *cur,
+ xfs_failaddr_t fa,
+ const struct xfs_rmap_irec *irec)
+{
+ struct xfs_mount *mp = cur->bc_mp;
+
+ if (xfs_btree_is_mem_rmap(cur->bc_ops))
+ xfs_warn(mp,
+ "In-Memory Reverse Mapping BTree record corruption detected at %pS!", fa);
+ else if (xfs_btree_is_rtrmap(cur->bc_ops))
+ xfs_warn(mp,
+ "RT Reverse Mapping BTree record corruption in rtgroup %u detected at %pS!",
+ cur->bc_group->xg_gno, fa);
+ else
+ xfs_warn(mp,
+ "Reverse Mapping BTree record corruption in AG %d detected at %pS!",
+ cur->bc_group->xg_gno, fa);
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,
irec->rm_blockcount);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
+/*
+ * Get the data from the pointed-to record.
+ */
+int
+xfs_rmap_get_rec(
+ struct xfs_btree_cur *cur,
+ struct xfs_rmap_irec *irec,
+ int *stat)
+{
+ union xfs_btree_rec *rec;
+ xfs_failaddr_t fa;
+ int error;
+
+ error = xfs_btree_get_rec(cur, &rec, stat);
+ if (error || !*stat)
+ return error;
+
+ fa = xfs_rmap_btrec_to_irec(rec, irec);
+ if (!fa)
+ fa = xfs_rmap_check_btrec(cur, irec);
+ if (fa)
+ return xfs_rmap_complain_bad_rec(cur, fa, irec);
+
+ return 0;
+}
+
struct xfs_find_left_neighbor_info {
struct xfs_rmap_irec high;
struct xfs_rmap_irec *irec;
@@ -271,8 +407,7 @@ xfs_rmap_find_left_neighbor_helper(
{
struct xfs_find_left_neighbor_info *info = priv;
- trace_xfs_rmap_find_left_neighbor_candidate(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, rec->rm_startblock,
+ trace_xfs_rmap_find_left_neighbor_candidate(cur, rec->rm_startblock,
rec->rm_blockcount, rec->rm_owner, rec->rm_offset,
rec->rm_flags);
@@ -322,8 +457,8 @@ xfs_rmap_find_left_neighbor(
info.high.rm_blockcount = 0;
info.irec = irec;
- trace_xfs_rmap_find_left_neighbor_query(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, bno, 0, owner, offset, flags);
+ trace_xfs_rmap_find_left_neighbor_query(cur, bno, 0, owner, offset,
+ flags);
/*
* Historically, we always used the range query to walk every reverse
@@ -354,8 +489,7 @@ xfs_rmap_find_left_neighbor(
return error;
*stat = 1;
- trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, irec->rm_startblock,
+ trace_xfs_rmap_find_left_neighbor_result(cur, irec->rm_startblock,
irec->rm_blockcount, irec->rm_owner, irec->rm_offset,
irec->rm_flags);
return 0;
@@ -370,8 +504,7 @@ xfs_rmap_lookup_le_range_helper(
{
struct xfs_find_left_neighbor_info *info = priv;
- trace_xfs_rmap_lookup_le_range_candidate(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, rec->rm_startblock,
+ trace_xfs_rmap_lookup_le_range_candidate(cur, rec->rm_startblock,
rec->rm_blockcount, rec->rm_owner, rec->rm_offset,
rec->rm_flags);
@@ -418,8 +551,7 @@ xfs_rmap_lookup_le_range(
*stat = 0;
info.irec = irec;
- trace_xfs_rmap_lookup_le_range(cur->bc_mp, cur->bc_ag.pag->pag_agno,
- bno, 0, owner, offset, flags);
+ trace_xfs_rmap_lookup_le_range(cur, bno, 0, owner, offset, flags);
/*
* Historically, we always used the range query to walk every reverse
@@ -450,8 +582,7 @@ xfs_rmap_lookup_le_range(
return error;
*stat = 1;
- trace_xfs_rmap_lookup_le_range_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, irec->rm_startblock,
+ trace_xfs_rmap_lookup_le_range_result(cur, irec->rm_startblock,
irec->rm_blockcount, irec->rm_owner, irec->rm_offset,
irec->rm_flags);
return 0;
@@ -463,14 +594,15 @@ xfs_rmap_lookup_le_range(
*/
static int
xfs_rmap_free_check_owner(
- struct xfs_mount *mp,
+ struct xfs_btree_cur *cur,
uint64_t ltoff,
struct xfs_rmap_irec *rec,
- xfs_filblks_t len,
+ xfs_extlen_t len,
uint64_t owner,
uint64_t offset,
unsigned int flags)
{
+ struct xfs_mount *mp = cur->bc_mp;
int error = 0;
if (owner == XFS_RMAP_OWN_UNKNOWN)
@@ -480,12 +612,14 @@ xfs_rmap_free_check_owner(
if (XFS_IS_CORRUPT(mp,
(flags & XFS_RMAP_UNWRITTEN) !=
(rec->rm_flags & XFS_RMAP_UNWRITTEN))) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out;
}
/* Make sure the owner matches what we expect to find in the tree. */
if (XFS_IS_CORRUPT(mp, owner != rec->rm_owner)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out;
}
@@ -497,16 +631,19 @@ xfs_rmap_free_check_owner(
if (flags & XFS_RMAP_BMBT_BLOCK) {
if (XFS_IS_CORRUPT(mp,
!(rec->rm_flags & XFS_RMAP_BMBT_BLOCK))) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out;
}
} else {
if (XFS_IS_CORRUPT(mp, rec->rm_offset > offset)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out;
}
if (XFS_IS_CORRUPT(mp,
offset + len > ltoff + rec->rm_blockcount)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out;
}
@@ -557,8 +694,7 @@ xfs_rmap_unmap(
(flags & XFS_RMAP_BMBT_BLOCK);
if (unwritten)
flags |= XFS_RMAP_UNWRITTEN;
- trace_xfs_rmap_unmap(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_unmap(cur, bno, len, unwritten, oinfo);
/*
* We should always have a left record because there's a static record
@@ -569,14 +705,14 @@ xfs_rmap_unmap(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
- trace_xfs_rmap_lookup_le_range_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, ltrec.rm_startblock,
- ltrec.rm_blockcount, ltrec.rm_owner,
- ltrec.rm_offset, ltrec.rm_flags);
+ trace_xfs_rmap_lookup_le_range_result(cur, ltrec.rm_startblock,
+ ltrec.rm_blockcount, ltrec.rm_owner, ltrec.rm_offset,
+ ltrec.rm_flags);
ltoff = ltrec.rm_offset;
/*
@@ -590,6 +726,7 @@ xfs_rmap_unmap(
if (XFS_IS_CORRUPT(mp,
bno <
ltrec.rm_startblock + ltrec.rm_blockcount)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -616,6 +753,7 @@ xfs_rmap_unmap(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -628,26 +766,27 @@ xfs_rmap_unmap(
ltrec.rm_startblock > bno ||
ltrec.rm_startblock + ltrec.rm_blockcount <
bno + len)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
/* Check owner information. */
- error = xfs_rmap_free_check_owner(mp, ltoff, &ltrec, len, owner,
+ error = xfs_rmap_free_check_owner(cur, ltoff, &ltrec, len, owner,
offset, flags);
if (error)
goto out_error;
if (ltrec.rm_startblock == bno && ltrec.rm_blockcount == len) {
/* exact match, simply remove the record from rmap tree */
- trace_xfs_rmap_delete(mp, cur->bc_ag.pag->pag_agno,
- ltrec.rm_startblock, ltrec.rm_blockcount,
- ltrec.rm_owner, ltrec.rm_offset,
- ltrec.rm_flags);
+ trace_xfs_rmap_delete(cur, ltrec.rm_startblock,
+ ltrec.rm_blockcount, ltrec.rm_owner,
+ ltrec.rm_offset, ltrec.rm_flags);
error = xfs_btree_delete(cur, &i);
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -718,8 +857,7 @@ xfs_rmap_unmap(
else
cur->bc_rec.r.rm_offset = offset + len;
cur->bc_rec.r.rm_flags = flags;
- trace_xfs_rmap_insert(mp, cur->bc_ag.pag->pag_agno,
- cur->bc_rec.r.rm_startblock,
+ trace_xfs_rmap_insert(cur, cur->bc_rec.r.rm_startblock,
cur->bc_rec.r.rm_blockcount,
cur->bc_rec.r.rm_owner,
cur->bc_rec.r.rm_offset,
@@ -730,15 +868,93 @@ xfs_rmap_unmap(
}
out_done:
- trace_xfs_rmap_unmap_done(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_unmap_done(cur, bno, len, unwritten, oinfo);
out_error:
if (error)
- trace_xfs_rmap_unmap_error(mp, cur->bc_ag.pag->pag_agno,
- error, _RET_IP_);
+ trace_xfs_rmap_unmap_error(cur, error, _RET_IP_);
return error;
}
+#ifdef CONFIG_XFS_LIVE_HOOKS
+/*
+ * Use a static key here to reduce the overhead of rmapbt live updates. If
+ * the compiler supports jump labels, the static branch will be replaced by a
+ * nop sled when there are no hook users. Online fsck is currently the only
+ * caller, so this is a reasonable tradeoff.
+ *
+ * Note: Patching the kernel code requires taking the cpu hotplug lock. Other
+ * parts of the kernel allocate memory with that lock held, which means that
+ * XFS callers cannot hold any locks that might be used by memory reclaim or
+ * writeback when calling the static_branch_{inc,dec} functions.
+ */
+DEFINE_STATIC_XFS_HOOK_SWITCH(xfs_rmap_hooks_switch);
+
+void
+xfs_rmap_hook_disable(void)
+{
+ xfs_hooks_switch_off(&xfs_rmap_hooks_switch);
+}
+
+void
+xfs_rmap_hook_enable(void)
+{
+ xfs_hooks_switch_on(&xfs_rmap_hooks_switch);
+}
+
+/* Call downstream hooks for a reverse mapping update. */
+static inline void
+xfs_rmap_update_hook(
+ struct xfs_trans *tp,
+ struct xfs_group *xg,
+ enum xfs_rmap_intent_type op,
+ xfs_agblock_t startblock,
+ xfs_extlen_t blockcount,
+ bool unwritten,
+ const struct xfs_owner_info *oinfo)
+{
+ if (xfs_hooks_switched_on(&xfs_rmap_hooks_switch)) {
+ struct xfs_rmap_update_params p = {
+ .startblock = startblock,
+ .blockcount = blockcount,
+ .unwritten = unwritten,
+ .oinfo = *oinfo, /* struct copy */
+ };
+
+ if (xg)
+ xfs_hooks_call(&xg->xg_rmap_update_hooks, op, &p);
+ }
+}
+
+/* Call the specified function during a reverse mapping update. */
+int
+xfs_rmap_hook_add(
+ struct xfs_group *xg,
+ struct xfs_rmap_hook *hook)
+{
+ return xfs_hooks_add(&xg->xg_rmap_update_hooks, &hook->rmap_hook);
+}
+
+/* Stop calling the specified function during a reverse mapping update. */
+void
+xfs_rmap_hook_del(
+ struct xfs_group *xg,
+ struct xfs_rmap_hook *hook)
+{
+ xfs_hooks_del(&xg->xg_rmap_update_hooks, &hook->rmap_hook);
+}
+
+/* Configure rmap update hook functions. */
+void
+xfs_rmap_hook_setup(
+ struct xfs_rmap_hook *hook,
+ notifier_fn_t mod_fn)
+{
+ xfs_hook_setup(&hook->rmap_hook, mod_fn);
+}
+#else
+# define xfs_rmap_update_hook(t, p, o, s, b, u, oi) do { } while (0)
+#endif /* CONFIG_XFS_LIVE_HOOKS */
+
/*
* Remove a reference to an extent in the rmap btree.
*/
@@ -759,7 +975,8 @@ xfs_rmap_free(
return 0;
cur = xfs_rmapbt_init_cursor(mp, tp, agbp, pag);
-
+ xfs_rmap_update_hook(tp, pag_group(pag), XFS_RMAP_UNMAP, bno, len,
+ false, oinfo);
error = xfs_rmap_unmap(cur, bno, len, false, oinfo);
xfs_btree_del_cursor(cur, error);
@@ -825,8 +1042,7 @@ xfs_rmap_map(
(flags & XFS_RMAP_BMBT_BLOCK);
if (unwritten)
flags |= XFS_RMAP_UNWRITTEN;
- trace_xfs_rmap_map(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_map(cur, bno, len, unwritten, oinfo);
ASSERT(!xfs_rmap_should_skip_owner_update(oinfo));
/*
@@ -839,8 +1055,7 @@ xfs_rmap_map(
if (error)
goto out_error;
if (have_lt) {
- trace_xfs_rmap_lookup_le_range_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, ltrec.rm_startblock,
+ trace_xfs_rmap_lookup_le_range_result(cur, ltrec.rm_startblock,
ltrec.rm_blockcount, ltrec.rm_owner,
ltrec.rm_offset, ltrec.rm_flags);
@@ -851,6 +1066,7 @@ xfs_rmap_map(
if (XFS_IS_CORRUPT(mp,
have_lt != 0 &&
ltrec.rm_startblock + ltrec.rm_blockcount > bno)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -868,17 +1084,19 @@ xfs_rmap_map(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, have_gt != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
if (XFS_IS_CORRUPT(mp, bno + len > gtrec.rm_startblock)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
- trace_xfs_rmap_find_right_neighbor_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, gtrec.rm_startblock,
- gtrec.rm_blockcount, gtrec.rm_owner,
- gtrec.rm_offset, gtrec.rm_flags);
+ trace_xfs_rmap_find_right_neighbor_result(cur,
+ gtrec.rm_startblock, gtrec.rm_blockcount,
+ gtrec.rm_owner, gtrec.rm_offset,
+ gtrec.rm_flags);
if (!xfs_rmap_is_mergeable(&gtrec, owner, flags))
have_gt = 0;
}
@@ -915,16 +1133,14 @@ xfs_rmap_map(
* result: |rrrrrrrrrrrrrrrrrrrrrrrrrrrrr|
*/
ltrec.rm_blockcount += gtrec.rm_blockcount;
- trace_xfs_rmap_delete(mp, cur->bc_ag.pag->pag_agno,
- gtrec.rm_startblock,
- gtrec.rm_blockcount,
- gtrec.rm_owner,
- gtrec.rm_offset,
- gtrec.rm_flags);
+ trace_xfs_rmap_delete(cur, gtrec.rm_startblock,
+ gtrec.rm_blockcount, gtrec.rm_owner,
+ gtrec.rm_offset, gtrec.rm_flags);
error = xfs_btree_delete(cur, &i);
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -966,23 +1182,21 @@ xfs_rmap_map(
cur->bc_rec.r.rm_owner = owner;
cur->bc_rec.r.rm_offset = offset;
cur->bc_rec.r.rm_flags = flags;
- trace_xfs_rmap_insert(mp, cur->bc_ag.pag->pag_agno, bno, len,
- owner, offset, flags);
+ trace_xfs_rmap_insert(cur, bno, len, owner, offset, flags);
error = xfs_btree_insert(cur, &i);
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
}
- trace_xfs_rmap_map_done(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_map_done(cur, bno, len, unwritten, oinfo);
out_error:
if (error)
- trace_xfs_rmap_map_error(mp, cur->bc_ag.pag->pag_agno,
- error, _RET_IP_);
+ trace_xfs_rmap_map_error(cur, error, _RET_IP_);
return error;
}
@@ -1006,6 +1220,8 @@ xfs_rmap_alloc(
return 0;
cur = xfs_rmapbt_init_cursor(mp, tp, agbp, pag);
+ xfs_rmap_update_hook(tp, pag_group(pag), XFS_RMAP_MAP, bno, len, false,
+ oinfo);
error = xfs_rmap_map(cur, bno, len, false, oinfo);
xfs_btree_del_cursor(cur, error);
@@ -1055,8 +1271,7 @@ xfs_rmap_convert(
(flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK))));
oldext = unwritten ? XFS_RMAP_UNWRITTEN : 0;
new_endoff = offset + len;
- trace_xfs_rmap_convert(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_convert(cur, bno, len, unwritten, oinfo);
/*
* For the initial lookup, look for an exact match or the left-adjacent
@@ -1067,14 +1282,14 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
- trace_xfs_rmap_lookup_le_range_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, PREV.rm_startblock,
- PREV.rm_blockcount, PREV.rm_owner,
- PREV.rm_offset, PREV.rm_flags);
+ trace_xfs_rmap_lookup_le_range_result(cur, PREV.rm_startblock,
+ PREV.rm_blockcount, PREV.rm_owner, PREV.rm_offset,
+ PREV.rm_flags);
ASSERT(PREV.rm_offset <= offset);
ASSERT(PREV.rm_offset + PREV.rm_blockcount >= new_endoff);
@@ -1104,19 +1319,20 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
if (XFS_IS_CORRUPT(mp,
LEFT.rm_startblock + LEFT.rm_blockcount >
bno)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
- trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, LEFT.rm_startblock,
- LEFT.rm_blockcount, LEFT.rm_owner,
- LEFT.rm_offset, LEFT.rm_flags);
+ trace_xfs_rmap_find_left_neighbor_result(cur,
+ LEFT.rm_startblock, LEFT.rm_blockcount,
+ LEFT.rm_owner, LEFT.rm_offset, LEFT.rm_flags);
if (LEFT.rm_startblock + LEFT.rm_blockcount == bno &&
LEFT.rm_offset + LEFT.rm_blockcount == offset &&
xfs_rmap_is_mergeable(&LEFT, owner, newext))
@@ -1132,6 +1348,7 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1144,17 +1361,19 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
if (XFS_IS_CORRUPT(mp, bno + len > RIGHT.rm_startblock)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
- trace_xfs_rmap_find_right_neighbor_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, RIGHT.rm_startblock,
- RIGHT.rm_blockcount, RIGHT.rm_owner,
- RIGHT.rm_offset, RIGHT.rm_flags);
+ trace_xfs_rmap_find_right_neighbor_result(cur,
+ RIGHT.rm_startblock, RIGHT.rm_blockcount,
+ RIGHT.rm_owner, RIGHT.rm_offset,
+ RIGHT.rm_flags);
if (bno + len == RIGHT.rm_startblock &&
offset + len == RIGHT.rm_offset &&
xfs_rmap_is_mergeable(&RIGHT, owner, newext))
@@ -1170,14 +1389,14 @@ xfs_rmap_convert(
RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX)
state &= ~RMAP_RIGHT_CONTIG;
- trace_xfs_rmap_convert_state(mp, cur->bc_ag.pag->pag_agno, state,
- _RET_IP_);
+ trace_xfs_rmap_convert_state(cur, state, _RET_IP_);
/* reset the cursor back to PREV */
error = xfs_rmap_lookup_le(cur, bno, owner, offset, oldext, NULL, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1197,17 +1416,18 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
- trace_xfs_rmap_delete(mp, cur->bc_ag.pag->pag_agno,
- RIGHT.rm_startblock, RIGHT.rm_blockcount,
- RIGHT.rm_owner, RIGHT.rm_offset,
- RIGHT.rm_flags);
+ trace_xfs_rmap_delete(cur, RIGHT.rm_startblock,
+ RIGHT.rm_blockcount, RIGHT.rm_owner,
+ RIGHT.rm_offset, RIGHT.rm_flags);
error = xfs_btree_delete(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1215,17 +1435,18 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
- trace_xfs_rmap_delete(mp, cur->bc_ag.pag->pag_agno,
- PREV.rm_startblock, PREV.rm_blockcount,
- PREV.rm_owner, PREV.rm_offset,
- PREV.rm_flags);
+ trace_xfs_rmap_delete(cur, PREV.rm_startblock,
+ PREV.rm_blockcount, PREV.rm_owner,
+ PREV.rm_offset, PREV.rm_flags);
error = xfs_btree_delete(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1233,6 +1454,7 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1248,14 +1470,14 @@ xfs_rmap_convert(
* Setting all of a previous oldext extent to newext.
* The left neighbor is contiguous, the right is not.
*/
- trace_xfs_rmap_delete(mp, cur->bc_ag.pag->pag_agno,
- PREV.rm_startblock, PREV.rm_blockcount,
- PREV.rm_owner, PREV.rm_offset,
- PREV.rm_flags);
+ trace_xfs_rmap_delete(cur, PREV.rm_startblock,
+ PREV.rm_blockcount, PREV.rm_owner,
+ PREV.rm_offset, PREV.rm_flags);
error = xfs_btree_delete(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1263,6 +1485,7 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1282,17 +1505,18 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
- trace_xfs_rmap_delete(mp, cur->bc_ag.pag->pag_agno,
- RIGHT.rm_startblock, RIGHT.rm_blockcount,
- RIGHT.rm_owner, RIGHT.rm_offset,
- RIGHT.rm_flags);
+ trace_xfs_rmap_delete(cur, RIGHT.rm_startblock,
+ RIGHT.rm_blockcount, RIGHT.rm_owner,
+ RIGHT.rm_offset, RIGHT.rm_flags);
error = xfs_btree_delete(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1300,6 +1524,7 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1364,12 +1589,12 @@ xfs_rmap_convert(
NEW.rm_blockcount = len;
NEW.rm_flags = newext;
cur->bc_rec.r = NEW;
- trace_xfs_rmap_insert(mp, cur->bc_ag.pag->pag_agno, bno,
- len, owner, offset, newext);
+ trace_xfs_rmap_insert(cur, bno, len, owner, offset, newext);
error = xfs_btree_insert(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1412,6 +1637,7 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 0)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1421,12 +1647,12 @@ xfs_rmap_convert(
NEW.rm_blockcount = len;
NEW.rm_flags = newext;
cur->bc_rec.r = NEW;
- trace_xfs_rmap_insert(mp, cur->bc_ag.pag->pag_agno, bno,
- len, owner, offset, newext);
+ trace_xfs_rmap_insert(cur, bno, len, owner, offset, newext);
error = xfs_btree_insert(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1452,14 +1678,14 @@ xfs_rmap_convert(
NEW = PREV;
NEW.rm_blockcount = offset - PREV.rm_offset;
cur->bc_rec.r = NEW;
- trace_xfs_rmap_insert(mp, cur->bc_ag.pag->pag_agno,
- NEW.rm_startblock, NEW.rm_blockcount,
- NEW.rm_owner, NEW.rm_offset,
+ trace_xfs_rmap_insert(cur, NEW.rm_startblock,
+ NEW.rm_blockcount, NEW.rm_owner, NEW.rm_offset,
NEW.rm_flags);
error = xfs_btree_insert(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1473,18 +1699,19 @@ xfs_rmap_convert(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 0)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
/* new middle extent - newext */
cur->bc_rec.r.rm_flags &= ~XFS_RMAP_UNWRITTEN;
cur->bc_rec.r.rm_flags |= newext;
- trace_xfs_rmap_insert(mp, cur->bc_ag.pag->pag_agno, bno, len,
- owner, offset, newext);
+ trace_xfs_rmap_insert(cur, bno, len, owner, offset, newext);
error = xfs_btree_insert(cur, &i);
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1503,12 +1730,10 @@ xfs_rmap_convert(
ASSERT(0);
}
- trace_xfs_rmap_convert_done(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_convert_done(cur, bno, len, unwritten, oinfo);
done:
if (error)
- trace_xfs_rmap_convert_error(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, error, _RET_IP_);
+ trace_xfs_rmap_convert_error(cur, error, _RET_IP_);
return error;
}
@@ -1544,8 +1769,7 @@ xfs_rmap_convert_shared(
(flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK))));
oldext = unwritten ? XFS_RMAP_UNWRITTEN : 0;
new_endoff = offset + len;
- trace_xfs_rmap_convert(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_convert(cur, bno, len, unwritten, oinfo);
/*
* For the initial lookup, look for and exact match or the left-adjacent
@@ -1557,6 +1781,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1585,6 +1810,7 @@ xfs_rmap_convert_shared(
if (XFS_IS_CORRUPT(mp,
LEFT.rm_startblock + LEFT.rm_blockcount >
bno)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1603,17 +1829,19 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
if (XFS_IS_CORRUPT(mp, bno + len > RIGHT.rm_startblock)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
- trace_xfs_rmap_find_right_neighbor_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, RIGHT.rm_startblock,
- RIGHT.rm_blockcount, RIGHT.rm_owner,
- RIGHT.rm_offset, RIGHT.rm_flags);
+ trace_xfs_rmap_find_right_neighbor_result(cur,
+ RIGHT.rm_startblock, RIGHT.rm_blockcount,
+ RIGHT.rm_owner, RIGHT.rm_offset,
+ RIGHT.rm_flags);
if (xfs_rmap_is_mergeable(&RIGHT, owner, newext))
state |= RMAP_RIGHT_CONTIG;
}
@@ -1627,8 +1855,7 @@ xfs_rmap_convert_shared(
RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX)
state &= ~RMAP_RIGHT_CONTIG;
- trace_xfs_rmap_convert_state(mp, cur->bc_ag.pag->pag_agno, state,
- _RET_IP_);
+ trace_xfs_rmap_convert_state(cur, state, _RET_IP_);
/*
* Switch out based on the FILLING and CONTIG state bits.
*/
@@ -1657,6 +1884,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1683,6 +1911,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1709,6 +1938,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1732,6 +1962,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1767,6 +1998,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1812,6 +2044,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1847,6 +2080,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1885,6 +2119,7 @@ xfs_rmap_convert_shared(
if (error)
goto done;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto done;
}
@@ -1918,12 +2153,10 @@ xfs_rmap_convert_shared(
ASSERT(0);
}
- trace_xfs_rmap_convert_done(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_convert_done(cur, bno, len, unwritten, oinfo);
done:
if (error)
- trace_xfs_rmap_convert_error(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, error, _RET_IP_);
+ trace_xfs_rmap_convert_error(cur, error, _RET_IP_);
return error;
}
@@ -1961,8 +2194,7 @@ xfs_rmap_unmap_shared(
xfs_owner_info_unpack(oinfo, &owner, &offset, &flags);
if (unwritten)
flags |= XFS_RMAP_UNWRITTEN;
- trace_xfs_rmap_unmap(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_unmap(cur, bno, len, unwritten, oinfo);
/*
* We should always have a left record because there's a static record
@@ -1974,6 +2206,7 @@ xfs_rmap_unmap_shared(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -1984,12 +2217,14 @@ xfs_rmap_unmap_shared(
ltrec.rm_startblock > bno ||
ltrec.rm_startblock + ltrec.rm_blockcount <
bno + len)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
/* Make sure the owner matches what we expect to find in the tree. */
if (XFS_IS_CORRUPT(mp, owner != ltrec.rm_owner)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -1998,16 +2233,19 @@ xfs_rmap_unmap_shared(
if (XFS_IS_CORRUPT(mp,
(flags & XFS_RMAP_UNWRITTEN) !=
(ltrec.rm_flags & XFS_RMAP_UNWRITTEN))) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
/* Check the offset. */
if (XFS_IS_CORRUPT(mp, ltrec.rm_offset > offset)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
if (XFS_IS_CORRUPT(mp, offset > ltoff + ltrec.rm_blockcount)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -2064,6 +2302,7 @@ xfs_rmap_unmap_shared(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -2093,6 +2332,7 @@ xfs_rmap_unmap_shared(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -2110,12 +2350,10 @@ xfs_rmap_unmap_shared(
goto out_error;
}
- trace_xfs_rmap_unmap_done(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_unmap_done(cur, bno, len, unwritten, oinfo);
out_error:
if (error)
- trace_xfs_rmap_unmap_error(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, error, _RET_IP_);
+ trace_xfs_rmap_unmap_error(cur, error, _RET_IP_);
return error;
}
@@ -2150,8 +2388,7 @@ xfs_rmap_map_shared(
xfs_owner_info_unpack(oinfo, &owner, &offset, &flags);
if (unwritten)
flags |= XFS_RMAP_UNWRITTEN;
- trace_xfs_rmap_map(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_map(cur, bno, len, unwritten, oinfo);
/* Is there a left record that abuts our range? */
error = xfs_rmap_find_left_neighbor(cur, bno, owner, offset, flags,
@@ -2172,13 +2409,14 @@ xfs_rmap_map_shared(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, have_gt != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
- trace_xfs_rmap_find_right_neighbor_result(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, gtrec.rm_startblock,
- gtrec.rm_blockcount, gtrec.rm_owner,
- gtrec.rm_offset, gtrec.rm_flags);
+ trace_xfs_rmap_find_right_neighbor_result(cur,
+ gtrec.rm_startblock, gtrec.rm_blockcount,
+ gtrec.rm_owner, gtrec.rm_offset,
+ gtrec.rm_flags);
if (!xfs_rmap_is_mergeable(&gtrec, owner, flags))
have_gt = 0;
@@ -2224,6 +2462,7 @@ xfs_rmap_map_shared(
if (error)
goto out_error;
if (XFS_IS_CORRUPT(mp, i != 1)) {
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto out_error;
}
@@ -2269,12 +2508,10 @@ xfs_rmap_map_shared(
goto out_error;
}
- trace_xfs_rmap_map_done(mp, cur->bc_ag.pag->pag_agno, bno, len,
- unwritten, oinfo);
+ trace_xfs_rmap_map_done(cur, bno, len, unwritten, oinfo);
out_error:
if (error)
- trace_xfs_rmap_map_error(cur->bc_mp,
- cur->bc_ag.pag->pag_agno, error, _RET_IP_);
+ trace_xfs_rmap_map_error(cur, error, _RET_IP_);
return error;
}
@@ -2286,15 +2523,12 @@ xfs_rmap_map_raw(
{
struct xfs_owner_info oinfo;
- oinfo.oi_owner = rmap->rm_owner;
- oinfo.oi_offset = rmap->rm_offset;
- oinfo.oi_flags = 0;
- if (rmap->rm_flags & XFS_RMAP_ATTR_FORK)
- oinfo.oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
- if (rmap->rm_flags & XFS_RMAP_BMBT_BLOCK)
- oinfo.oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK;
+ xfs_owner_info_pack(&oinfo, rmap->rm_owner, rmap->rm_offset,
+ rmap->rm_flags);
- if (rmap->rm_flags || XFS_RMAP_NON_INODE_OWNER(rmap->rm_owner))
+ if ((rmap->rm_flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK |
+ XFS_RMAP_UNWRITTEN)) ||
+ XFS_RMAP_NON_INODE_OWNER(rmap->rm_owner))
return xfs_rmap_map(cur, rmap->rm_startblock,
rmap->rm_blockcount,
rmap->rm_flags & XFS_RMAP_UNWRITTEN,
@@ -2320,11 +2554,14 @@ xfs_rmap_query_range_helper(
{
struct xfs_rmap_query_range_info *query = priv;
struct xfs_rmap_irec irec;
- int error;
+ xfs_failaddr_t fa;
+
+ fa = xfs_rmap_btrec_to_irec(rec, &irec);
+ if (!fa)
+ fa = xfs_rmap_check_btrec(cur, &irec);
+ if (fa)
+ return xfs_rmap_complain_bad_rec(cur, fa, &irec);
- error = xfs_rmap_btrec_to_irec(rec, &irec);
- if (error)
- return error;
return query->fn(cur, &irec, query->priv);
}
@@ -2337,14 +2574,10 @@ xfs_rmap_query_range(
xfs_rmap_query_range_fn fn,
void *priv)
{
- union xfs_btree_irec low_brec;
- union xfs_btree_irec high_brec;
- struct xfs_rmap_query_range_info query;
+ union xfs_btree_irec low_brec = { .r = *low_rec };
+ union xfs_btree_irec high_brec = { .r = *high_rec };
+ struct xfs_rmap_query_range_info query = { .priv = priv, .fn = fn };
- low_brec.r = *low_rec;
- high_brec.r = *high_rec;
- query.priv = priv;
- query.fn = fn;
return xfs_btree_query_range(cur, &low_brec, &high_brec,
xfs_rmap_query_range_helper, &query);
}
@@ -2363,21 +2596,77 @@ xfs_rmap_query_all(
return xfs_btree_query_all(cur, xfs_rmap_query_range_helper, &query);
}
-/* Clean up after calling xfs_rmap_finish_one. */
-void
-xfs_rmap_finish_one_cleanup(
- struct xfs_trans *tp,
- struct xfs_btree_cur *rcur,
- int error)
+/* Commit an rmap operation into the ondisk tree. */
+int
+__xfs_rmap_finish_intent(
+ struct xfs_btree_cur *rcur,
+ enum xfs_rmap_intent_type op,
+ xfs_agblock_t bno,
+ xfs_extlen_t len,
+ const struct xfs_owner_info *oinfo,
+ bool unwritten)
{
- struct xfs_buf *agbp;
+ switch (op) {
+ case XFS_RMAP_ALLOC:
+ case XFS_RMAP_MAP:
+ return xfs_rmap_map(rcur, bno, len, unwritten, oinfo);
+ case XFS_RMAP_MAP_SHARED:
+ return xfs_rmap_map_shared(rcur, bno, len, unwritten, oinfo);
+ case XFS_RMAP_FREE:
+ case XFS_RMAP_UNMAP:
+ return xfs_rmap_unmap(rcur, bno, len, unwritten, oinfo);
+ case XFS_RMAP_UNMAP_SHARED:
+ return xfs_rmap_unmap_shared(rcur, bno, len, unwritten, oinfo);
+ case XFS_RMAP_CONVERT:
+ return xfs_rmap_convert(rcur, bno, len, !unwritten, oinfo);
+ case XFS_RMAP_CONVERT_SHARED:
+ return xfs_rmap_convert_shared(rcur, bno, len, !unwritten,
+ oinfo);
+ default:
+ ASSERT(0);
+ return -EFSCORRUPTED;
+ }
+}
- if (rcur == NULL)
- return;
- agbp = rcur->bc_ag.agbp;
- xfs_btree_del_cursor(rcur, error);
- if (error)
- xfs_trans_brelse(tp, agbp);
+static int
+xfs_rmap_finish_init_cursor(
+ struct xfs_trans *tp,
+ struct xfs_rmap_intent *ri,
+ struct xfs_btree_cur **pcur)
+{
+ struct xfs_perag *pag = to_perag(ri->ri_group);
+ struct xfs_buf *agbp = NULL;
+ int error;
+
+ /*
+ * Refresh the freelist before we start changing the rmapbt, because a
+ * shape change could cause us to allocate blocks.
+ */
+ error = xfs_free_extent_fix_freelist(tp, pag, &agbp);
+ if (error) {
+ xfs_ag_mark_sick(pag, XFS_SICK_AG_AGFL);
+ return error;
+ }
+ if (XFS_IS_CORRUPT(tp->t_mountp, !agbp)) {
+ xfs_ag_mark_sick(pag, XFS_SICK_AG_AGFL);
+ return -EFSCORRUPTED;
+ }
+ *pcur = xfs_rmapbt_init_cursor(tp->t_mountp, tp, agbp, pag);
+ return 0;
+}
+
+static int
+xfs_rtrmap_finish_init_cursor(
+ struct xfs_trans *tp,
+ struct xfs_rmap_intent *ri,
+ struct xfs_btree_cur **pcur)
+{
+ struct xfs_rtgroup *rtg = to_rtg(ri->ri_group);
+
+ xfs_rtgroup_lock(rtg, XFS_RTGLOCK_RMAP);
+ xfs_rtgroup_trans_join(tp, rtg, XFS_RTGLOCK_RMAP);
+ *pcur = xfs_rtrmapbt_init_cursor(tp, rtg);
+ return 0;
}
/*
@@ -2390,101 +2679,51 @@ xfs_rmap_finish_one_cleanup(
int
xfs_rmap_finish_one(
struct xfs_trans *tp,
- enum xfs_rmap_intent_type type,
- uint64_t owner,
- int whichfork,
- xfs_fileoff_t startoff,
- xfs_fsblock_t startblock,
- xfs_filblks_t blockcount,
- xfs_exntst_t state,
+ struct xfs_rmap_intent *ri,
struct xfs_btree_cur **pcur)
{
- struct xfs_mount *mp = tp->t_mountp;
- struct xfs_perag *pag;
- struct xfs_btree_cur *rcur;
- struct xfs_buf *agbp = NULL;
- int error = 0;
struct xfs_owner_info oinfo;
+ struct xfs_mount *mp = tp->t_mountp;
xfs_agblock_t bno;
bool unwritten;
+ int error = 0;
- pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, startblock));
- bno = XFS_FSB_TO_AGBNO(mp, startblock);
-
- trace_xfs_rmap_deferred(mp, pag->pag_agno, type, bno, owner, whichfork,
- startoff, blockcount, state);
-
- if (XFS_TEST_ERROR(false, mp, XFS_ERRTAG_RMAP_FINISH_ONE)) {
- error = -EIO;
- goto out_drop;
- }
+ trace_xfs_rmap_deferred(mp, ri);
+ if (XFS_TEST_ERROR(mp, XFS_ERRTAG_RMAP_FINISH_ONE))
+ return -EIO;
/*
* If we haven't gotten a cursor or the cursor AG doesn't match
* the startblock, get one now.
*/
- rcur = *pcur;
- if (rcur != NULL && rcur->bc_ag.pag != pag) {
- xfs_rmap_finish_one_cleanup(tp, rcur, 0);
- rcur = NULL;
+ if (*pcur != NULL && (*pcur)->bc_group != ri->ri_group) {
+ xfs_btree_del_cursor(*pcur, 0);
*pcur = NULL;
}
- if (rcur == NULL) {
- /*
- * Refresh the freelist before we start changing the
- * rmapbt, because a shape change could cause us to
- * allocate blocks.
- */
- error = xfs_free_extent_fix_freelist(tp, pag, &agbp);
+ if (*pcur == NULL) {
+ if (ri->ri_group->xg_type == XG_TYPE_RTG)
+ error = xfs_rtrmap_finish_init_cursor(tp, ri, pcur);
+ else
+ error = xfs_rmap_finish_init_cursor(tp, ri, pcur);
if (error)
- goto out_drop;
- if (XFS_IS_CORRUPT(tp->t_mountp, !agbp)) {
- error = -EFSCORRUPTED;
- goto out_drop;
- }
-
- rcur = xfs_rmapbt_init_cursor(mp, tp, agbp, pag);
+ return error;
}
- *pcur = rcur;
- xfs_rmap_ino_owner(&oinfo, owner, whichfork, startoff);
- unwritten = state == XFS_EXT_UNWRITTEN;
- bno = XFS_FSB_TO_AGBNO(rcur->bc_mp, startblock);
+ xfs_rmap_ino_owner(&oinfo, ri->ri_owner, ri->ri_whichfork,
+ ri->ri_bmap.br_startoff);
+ unwritten = ri->ri_bmap.br_state == XFS_EXT_UNWRITTEN;
- switch (type) {
- case XFS_RMAP_ALLOC:
- case XFS_RMAP_MAP:
- error = xfs_rmap_map(rcur, bno, blockcount, unwritten, &oinfo);
- break;
- case XFS_RMAP_MAP_SHARED:
- error = xfs_rmap_map_shared(rcur, bno, blockcount, unwritten,
- &oinfo);
- break;
- case XFS_RMAP_FREE:
- case XFS_RMAP_UNMAP:
- error = xfs_rmap_unmap(rcur, bno, blockcount, unwritten,
- &oinfo);
- break;
- case XFS_RMAP_UNMAP_SHARED:
- error = xfs_rmap_unmap_shared(rcur, bno, blockcount, unwritten,
- &oinfo);
- break;
- case XFS_RMAP_CONVERT:
- error = xfs_rmap_convert(rcur, bno, blockcount, !unwritten,
- &oinfo);
- break;
- case XFS_RMAP_CONVERT_SHARED:
- error = xfs_rmap_convert_shared(rcur, bno, blockcount,
- !unwritten, &oinfo);
- break;
- default:
- ASSERT(0);
- error = -EFSCORRUPTED;
- }
-out_drop:
- xfs_perag_put(pag);
- return error;
+ bno = xfs_fsb_to_gbno(mp, ri->ri_bmap.br_startblock,
+ ri->ri_group->xg_type);
+ error = __xfs_rmap_finish_intent(*pcur, ri->ri_type, bno,
+ ri->ri_bmap.br_blockcount, &oinfo, unwritten);
+ if (error)
+ return error;
+
+ xfs_rmap_update_hook(tp, ri->ri_group, ri->ri_type, bno,
+ ri->ri_bmap.br_blockcount, unwritten, &oinfo);
+ return 0;
}
/*
@@ -2507,28 +2746,21 @@ __xfs_rmap_add(
struct xfs_trans *tp,
enum xfs_rmap_intent_type type,
uint64_t owner,
+ bool isrt,
int whichfork,
struct xfs_bmbt_irec *bmap)
{
struct xfs_rmap_intent *ri;
- trace_xfs_rmap_defer(tp->t_mountp,
- XFS_FSB_TO_AGNO(tp->t_mountp, bmap->br_startblock),
- type,
- XFS_FSB_TO_AGBNO(tp->t_mountp, bmap->br_startblock),
- owner, whichfork,
- bmap->br_startoff,
- bmap->br_blockcount,
- bmap->br_state);
-
- ri = kmem_cache_alloc(xfs_rmap_intent_cache, GFP_NOFS | __GFP_NOFAIL);
+ ri = kmem_cache_alloc(xfs_rmap_intent_cache, GFP_KERNEL | __GFP_NOFAIL);
INIT_LIST_HEAD(&ri->ri_list);
ri->ri_type = type;
ri->ri_owner = owner;
ri->ri_whichfork = whichfork;
ri->ri_bmap = *bmap;
+ ri->ri_realtime = isrt;
- xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_RMAP, &ri->ri_list);
+ xfs_rmap_defer_add(tp, ri);
}
/* Map an extent into a file. */
@@ -2540,6 +2772,7 @@ xfs_rmap_map_extent(
struct xfs_bmbt_irec *PREV)
{
enum xfs_rmap_intent_type type = XFS_RMAP_MAP;
+ bool isrt = xfs_ifork_is_realtime(ip, whichfork);
if (!xfs_rmap_update_is_needed(tp->t_mountp, whichfork))
return;
@@ -2547,7 +2780,7 @@ xfs_rmap_map_extent(
if (whichfork != XFS_ATTR_FORK && xfs_is_reflink_inode(ip))
type = XFS_RMAP_MAP_SHARED;
- __xfs_rmap_add(tp, type, ip->i_ino, whichfork, PREV);
+ __xfs_rmap_add(tp, type, ip->i_ino, isrt, whichfork, PREV);
}
/* Unmap an extent out of a file. */
@@ -2559,6 +2792,7 @@ xfs_rmap_unmap_extent(
struct xfs_bmbt_irec *PREV)
{
enum xfs_rmap_intent_type type = XFS_RMAP_UNMAP;
+ bool isrt = xfs_ifork_is_realtime(ip, whichfork);
if (!xfs_rmap_update_is_needed(tp->t_mountp, whichfork))
return;
@@ -2566,7 +2800,7 @@ xfs_rmap_unmap_extent(
if (whichfork != XFS_ATTR_FORK && xfs_is_reflink_inode(ip))
type = XFS_RMAP_UNMAP_SHARED;
- __xfs_rmap_add(tp, type, ip->i_ino, whichfork, PREV);
+ __xfs_rmap_add(tp, type, ip->i_ino, isrt, whichfork, PREV);
}
/*
@@ -2584,6 +2818,7 @@ xfs_rmap_convert_extent(
struct xfs_bmbt_irec *PREV)
{
enum xfs_rmap_intent_type type = XFS_RMAP_CONVERT;
+ bool isrt = xfs_ifork_is_realtime(ip, whichfork);
if (!xfs_rmap_update_is_needed(mp, whichfork))
return;
@@ -2591,15 +2826,15 @@ xfs_rmap_convert_extent(
if (whichfork != XFS_ATTR_FORK && xfs_is_reflink_inode(ip))
type = XFS_RMAP_CONVERT_SHARED;
- __xfs_rmap_add(tp, type, ip->i_ino, whichfork, PREV);
+ __xfs_rmap_add(tp, type, ip->i_ino, isrt, whichfork, PREV);
}
/* Schedule the creation of an rmap for non-file data. */
void
xfs_rmap_alloc_extent(
struct xfs_trans *tp,
- xfs_agnumber_t agno,
- xfs_agblock_t bno,
+ bool isrt,
+ xfs_fsblock_t fsbno,
xfs_extlen_t len,
uint64_t owner)
{
@@ -2608,20 +2843,20 @@ xfs_rmap_alloc_extent(
if (!xfs_rmap_update_is_needed(tp->t_mountp, XFS_DATA_FORK))
return;
- bmap.br_startblock = XFS_AGB_TO_FSB(tp->t_mountp, agno, bno);
+ bmap.br_startblock = fsbno;
bmap.br_blockcount = len;
bmap.br_startoff = 0;
bmap.br_state = XFS_EXT_NORM;
- __xfs_rmap_add(tp, XFS_RMAP_ALLOC, owner, XFS_DATA_FORK, &bmap);
+ __xfs_rmap_add(tp, XFS_RMAP_ALLOC, owner, isrt, XFS_DATA_FORK, &bmap);
}
/* Schedule the deletion of an rmap for non-file data. */
void
xfs_rmap_free_extent(
struct xfs_trans *tp,
- xfs_agnumber_t agno,
- xfs_agblock_t bno,
+ bool isrt,
+ xfs_fsblock_t fsbno,
xfs_extlen_t len,
uint64_t owner)
{
@@ -2630,12 +2865,12 @@ xfs_rmap_free_extent(
if (!xfs_rmap_update_is_needed(tp->t_mountp, XFS_DATA_FORK))
return;
- bmap.br_startblock = XFS_AGB_TO_FSB(tp->t_mountp, agno, bno);
+ bmap.br_startblock = fsbno;
bmap.br_blockcount = len;
bmap.br_startoff = 0;
bmap.br_state = XFS_EXT_NORM;
- __xfs_rmap_add(tp, XFS_RMAP_FREE, owner, XFS_DATA_FORK, &bmap);
+ __xfs_rmap_add(tp, XFS_RMAP_FREE, owner, isrt, XFS_DATA_FORK, &bmap);
}
/* Compare rmap records. Returns -1 if a < b, 1 if a > b, and 0 if equal. */
@@ -2666,14 +2901,21 @@ xfs_rmap_compare(
return 0;
}
-/* Is there a record covering a given extent? */
+/*
+ * Scan the physical storage part of the keyspace of the reverse mapping index
+ * and tell us if the area has no records, is fully mapped by records, or is
+ * partially filled.
+ */
int
-xfs_rmap_has_record(
+xfs_rmap_has_records(
struct xfs_btree_cur *cur,
xfs_agblock_t bno,
xfs_extlen_t len,
- bool *exists)
+ enum xbtree_recpacking *outcome)
{
+ union xfs_btree_key mask = {
+ .rmap.rm_startblock = cpu_to_be32(-1U),
+ };
union xfs_btree_irec low;
union xfs_btree_irec high;
@@ -2682,68 +2924,144 @@ xfs_rmap_has_record(
memset(&high, 0xFF, sizeof(high));
high.r.rm_startblock = bno + len - 1;
- return xfs_btree_has_record(cur, &low, &high, exists);
+ return xfs_btree_has_records(cur, &low, &high, &mask, outcome);
}
-/*
- * Is there a record for this owner completely covering a given physical
- * extent? If so, *has_rmap will be set to true. If there is no record
- * or the record only covers part of the range, we set *has_rmap to false.
- * This function doesn't perform range lookups or offset checks, so it is
- * not suitable for checking data fork blocks.
- */
-int
-xfs_rmap_record_exists(
- struct xfs_btree_cur *cur,
+struct xfs_rmap_ownercount {
+ /* Owner that we're looking for. */
+ struct xfs_rmap_irec good;
+
+ /* rmap search keys */
+ struct xfs_rmap_irec low;
+ struct xfs_rmap_irec high;
+
+ struct xfs_rmap_matches *results;
+
+ /* Stop early if we find a nonmatch? */
+ bool stop_on_nonmatch;
+};
+
+/* Does this rmap represent space that can have multiple owners? */
+static inline bool
+xfs_rmap_shareable(
+ struct xfs_mount *mp,
+ const struct xfs_rmap_irec *rmap)
+{
+ if (!xfs_has_reflink(mp))
+ return false;
+ if (XFS_RMAP_NON_INODE_OWNER(rmap->rm_owner))
+ return false;
+ if (rmap->rm_flags & (XFS_RMAP_ATTR_FORK |
+ XFS_RMAP_BMBT_BLOCK))
+ return false;
+ return true;
+}
+
+static inline void
+xfs_rmap_ownercount_init(
+ struct xfs_rmap_ownercount *roc,
xfs_agblock_t bno,
xfs_extlen_t len,
const struct xfs_owner_info *oinfo,
- bool *has_rmap)
+ struct xfs_rmap_matches *results)
{
- uint64_t owner;
- uint64_t offset;
- unsigned int flags;
- int has_record;
- struct xfs_rmap_irec irec;
- int error;
+ memset(roc, 0, sizeof(*roc));
+ roc->results = results;
+
+ roc->low.rm_startblock = bno;
+ memset(&roc->high, 0xFF, sizeof(roc->high));
+ roc->high.rm_startblock = bno + len - 1;
+
+ memset(results, 0, sizeof(*results));
+ roc->good.rm_startblock = bno;
+ roc->good.rm_blockcount = len;
+ roc->good.rm_owner = oinfo->oi_owner;
+ roc->good.rm_offset = oinfo->oi_offset;
+ if (oinfo->oi_flags & XFS_OWNER_INFO_ATTR_FORK)
+ roc->good.rm_flags |= XFS_RMAP_ATTR_FORK;
+ if (oinfo->oi_flags & XFS_OWNER_INFO_BMBT_BLOCK)
+ roc->good.rm_flags |= XFS_RMAP_BMBT_BLOCK;
+}
- xfs_owner_info_unpack(oinfo, &owner, &offset, &flags);
- ASSERT(XFS_RMAP_NON_INODE_OWNER(owner) ||
- (flags & XFS_RMAP_BMBT_BLOCK));
+/* Figure out if this is a match for the owner. */
+STATIC int
+xfs_rmap_count_owners_helper(
+ struct xfs_btree_cur *cur,
+ const struct xfs_rmap_irec *rec,
+ void *priv)
+{
+ struct xfs_rmap_ownercount *roc = priv;
+ struct xfs_rmap_irec check = *rec;
+ unsigned int keyflags;
+ bool filedata;
+ int64_t delta;
+
+ filedata = !XFS_RMAP_NON_INODE_OWNER(check.rm_owner) &&
+ !(check.rm_flags & XFS_RMAP_BMBT_BLOCK);
+
+ /* Trim the part of check that comes before the comparison range. */
+ delta = (int64_t)roc->good.rm_startblock - check.rm_startblock;
+ if (delta > 0) {
+ check.rm_startblock += delta;
+ check.rm_blockcount -= delta;
+ if (filedata)
+ check.rm_offset += delta;
+ }
- error = xfs_rmap_lookup_le(cur, bno, owner, offset, flags, &irec,
- &has_record);
- if (error)
- return error;
- if (!has_record) {
- *has_rmap = false;
- return 0;
+ /* Trim the part of check that comes after the comparison range. */
+ delta = (check.rm_startblock + check.rm_blockcount) -
+ (roc->good.rm_startblock + roc->good.rm_blockcount);
+ if (delta > 0)
+ check.rm_blockcount -= delta;
+
+ /* Don't care about unwritten status for establishing ownership. */
+ keyflags = check.rm_flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK);
+
+ if (check.rm_startblock == roc->good.rm_startblock &&
+ check.rm_blockcount == roc->good.rm_blockcount &&
+ check.rm_owner == roc->good.rm_owner &&
+ check.rm_offset == roc->good.rm_offset &&
+ keyflags == roc->good.rm_flags) {
+ roc->results->matches++;
+ } else {
+ roc->results->non_owner_matches++;
+ if (xfs_rmap_shareable(cur->bc_mp, &roc->good) ^
+ xfs_rmap_shareable(cur->bc_mp, &check))
+ roc->results->bad_non_owner_matches++;
}
- *has_rmap = (irec.rm_owner == owner && irec.rm_startblock <= bno &&
- irec.rm_startblock + irec.rm_blockcount >= bno + len);
+ if (roc->results->non_owner_matches && roc->stop_on_nonmatch)
+ return -ECANCELED;
+
return 0;
}
-struct xfs_rmap_key_state {
- uint64_t owner;
- uint64_t offset;
- unsigned int flags;
-};
-
-/* For each rmap given, figure out if it doesn't match the key we want. */
-STATIC int
-xfs_rmap_has_other_keys_helper(
+/* Count the number of owners and non-owners of this range of blocks. */
+int
+xfs_rmap_count_owners(
struct xfs_btree_cur *cur,
- const struct xfs_rmap_irec *rec,
- void *priv)
+ xfs_agblock_t bno,
+ xfs_extlen_t len,
+ const struct xfs_owner_info *oinfo,
+ struct xfs_rmap_matches *results)
{
- struct xfs_rmap_key_state *rks = priv;
+ struct xfs_rmap_ownercount roc;
+ int error;
- if (rks->owner == rec->rm_owner && rks->offset == rec->rm_offset &&
- ((rks->flags & rec->rm_flags) & XFS_RMAP_KEY_FLAGS) == rks->flags)
- return 0;
- return -ECANCELED;
+ xfs_rmap_ownercount_init(&roc, bno, len, oinfo, results);
+ error = xfs_rmap_query_range(cur, &roc.low, &roc.high,
+ xfs_rmap_count_owners_helper, &roc);
+ if (error)
+ return error;
+
+ /*
+ * There can't be any non-owner rmaps that conflict with the given
+ * owner if we didn't find any rmaps matching the owner.
+ */
+ if (!results->matches)
+ results->bad_non_owner_matches = 0;
+
+ return 0;
}
/*
@@ -2756,28 +3074,26 @@ xfs_rmap_has_other_keys(
xfs_agblock_t bno,
xfs_extlen_t len,
const struct xfs_owner_info *oinfo,
- bool *has_rmap)
+ bool *has_other)
{
- struct xfs_rmap_irec low = {0};
- struct xfs_rmap_irec high;
- struct xfs_rmap_key_state rks;
+ struct xfs_rmap_matches res;
+ struct xfs_rmap_ownercount roc;
int error;
- xfs_owner_info_unpack(oinfo, &rks.owner, &rks.offset, &rks.flags);
- *has_rmap = false;
-
- low.rm_startblock = bno;
- memset(&high, 0xFF, sizeof(high));
- high.rm_startblock = bno + len - 1;
+ xfs_rmap_ownercount_init(&roc, bno, len, oinfo, &res);
+ roc.stop_on_nonmatch = true;
- error = xfs_rmap_query_range(cur, &low, &high,
- xfs_rmap_has_other_keys_helper, &rks);
+ error = xfs_rmap_query_range(cur, &roc.low, &roc.high,
+ xfs_rmap_count_owners_helper, &roc);
if (error == -ECANCELED) {
- *has_rmap = true;
+ *has_other = true;
return 0;
}
+ if (error)
+ return error;
- return error;
+ *has_other = false;
+ return 0;
}
const struct xfs_owner_info XFS_RMAP_OINFO_SKIP_UPDATE = {
generated by cgit (git 2.34.1) at 2025-12-21 18:36:34 +0000