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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.c206
1 files changed, 156 insertions, 50 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index 6ef4687b3aba..3cdf50563fec 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -25,6 +25,8 @@
#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;
@@ -213,7 +215,7 @@ xfs_rmap_check_irec(
struct xfs_perag *pag,
const struct xfs_rmap_irec *irec)
{
- struct xfs_mount *mp = pag->pag_mount;
+ struct xfs_mount *mp = pag_mount(pag);
bool is_inode;
bool is_unwritten;
bool is_bmbt;
@@ -264,14 +266,78 @@ xfs_rmap_check_irec(
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_mem_rmap(cur->bc_ops))
- return xfs_rmap_check_irec(cur->bc_mem.pag, irec);
- return xfs_rmap_check_irec(cur->bc_ag.pag, 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
@@ -285,10 +351,14 @@ xfs_rmap_complain_bad_rec(
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_ag.pag->pag_agno, fa);
+ 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,
@@ -527,7 +597,7 @@ xfs_rmap_free_check_owner(
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)
@@ -835,7 +905,7 @@ xfs_rmap_hook_enable(void)
static inline void
xfs_rmap_update_hook(
struct xfs_trans *tp,
- struct xfs_perag *pag,
+ struct xfs_group *xg,
enum xfs_rmap_intent_type op,
xfs_agblock_t startblock,
xfs_extlen_t blockcount,
@@ -850,27 +920,27 @@ xfs_rmap_update_hook(
.oinfo = *oinfo, /* struct copy */
};
- if (pag)
- xfs_hooks_call(&pag->pag_rmap_update_hooks, op, &p);
+ 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_perag *pag,
+ struct xfs_group *xg,
struct xfs_rmap_hook *hook)
{
- return xfs_hooks_add(&pag->pag_rmap_update_hooks, &hook->rmap_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_perag *pag,
+ struct xfs_group *xg,
struct xfs_rmap_hook *hook)
{
- xfs_hooks_del(&pag->pag_rmap_update_hooks, &hook->rmap_hook);
+ xfs_hooks_del(&xg->xg_rmap_update_hooks, &hook->rmap_hook);
}
/* Configure rmap update hook functions. */
@@ -905,7 +975,8 @@ xfs_rmap_free(
return 0;
cur = xfs_rmapbt_init_cursor(mp, tp, agbp, pag);
- xfs_rmap_update_hook(tp, pag, XFS_RMAP_UNMAP, bno, len, false, oinfo);
+ 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);
@@ -1149,7 +1220,8 @@ xfs_rmap_alloc(
return 0;
cur = xfs_rmapbt_init_cursor(mp, tp, agbp, pag);
- xfs_rmap_update_hook(tp, pag, XFS_RMAP_MAP, bno, len, false, oinfo);
+ 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);
@@ -2556,6 +2628,47 @@ __xfs_rmap_finish_intent(
}
}
+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;
+}
+
/*
* Process one of the deferred rmap operations. We pass back the
* btree cursor to maintain our lock on the rmapbt between calls.
@@ -2571,8 +2684,6 @@ xfs_rmap_finish_one(
{
struct xfs_owner_info oinfo;
struct xfs_mount *mp = tp->t_mountp;
- struct xfs_btree_cur *rcur = *pcur;
- struct xfs_buf *agbp = NULL;
xfs_agblock_t bno;
bool unwritten;
int error = 0;
@@ -2586,41 +2697,31 @@ xfs_rmap_finish_one(
* If we haven't gotten a cursor or the cursor AG doesn't match
* the startblock, get one now.
*/
- if (rcur != NULL && rcur->bc_ag.pag != ri->ri_pag) {
- xfs_btree_del_cursor(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, ri->ri_pag, &agbp);
- if (error) {
- xfs_ag_mark_sick(ri->ri_pag, XFS_SICK_AG_AGFL);
+ 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)
return error;
- }
- if (XFS_IS_CORRUPT(tp->t_mountp, !agbp)) {
- xfs_ag_mark_sick(ri->ri_pag, XFS_SICK_AG_AGFL);
- return -EFSCORRUPTED;
- }
-
- *pcur = rcur = xfs_rmapbt_init_cursor(mp, tp, agbp, ri->ri_pag);
}
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;
- bno = XFS_FSB_TO_AGBNO(rcur->bc_mp, ri->ri_bmap.br_startblock);
- error = __xfs_rmap_finish_intent(rcur, ri->ri_type, bno,
+ 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_pag, ri->ri_type, bno,
+ xfs_rmap_update_hook(tp, ri->ri_group, ri->ri_type, bno,
ri->ri_bmap.br_blockcount, unwritten, &oinfo);
return 0;
}
@@ -2645,6 +2746,7 @@ __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)
{
@@ -2656,6 +2758,7 @@ __xfs_rmap_add(
ri->ri_owner = owner;
ri->ri_whichfork = whichfork;
ri->ri_bmap = *bmap;
+ ri->ri_realtime = isrt;
xfs_rmap_defer_add(tp, ri);
}
@@ -2669,6 +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;
@@ -2676,7 +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. */
@@ -2688,6 +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;
@@ -2695,7 +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);
}
/*
@@ -2713,6 +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;
@@ -2720,15 +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)
{
@@ -2737,20 +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)
{
@@ -2759,12 +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. */
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-25 19:52:10 +0300