From 4bc94bf640e08cf970354036683ec143a7ae974e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:52 -0800 Subject: xfs: simplify xfs_btree_check_sblock_siblings Stop using xfs_btree_check_sptr in xfs_btree_check_sblock_siblings, as it only duplicates the xfs_verify_agbno call in the other leg of if / else besides adding a tautological level check. With this the cur and level arguments can be removed as they are now unused. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 19 ++++++------------- 1 file changed, 6 insertions(+), 13 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 769be61ad63f..cea5500a0ece 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -86,8 +86,6 @@ xfs_btree_check_lblock_siblings( static inline xfs_failaddr_t xfs_btree_check_sblock_siblings( struct xfs_perag *pag, - struct xfs_btree_cur *cur, - int level, xfs_agblock_t agbno, __be32 dsibling) { @@ -99,13 +97,8 @@ xfs_btree_check_sblock_siblings( sibling = be32_to_cpu(dsibling); if (sibling == agbno) return __this_address; - if (level >= 0) { - if (!xfs_btree_check_sptr(cur, sibling, level + 1)) - return __this_address; - } else { - if (!xfs_verify_agbno(pag, sibling)) - return __this_address; - } + if (!xfs_verify_agbno(pag, sibling)) + return __this_address; return NULL; } @@ -212,10 +205,10 @@ __xfs_btree_check_sblock( if (bp) agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_sblock_siblings(pag, cur, level, agbno, + fa = xfs_btree_check_sblock_siblings(pag, agbno, block->bb_u.s.bb_leftsib); if (!fa) - fa = xfs_btree_check_sblock_siblings(pag, cur, level, agbno, + fa = xfs_btree_check_sblock_siblings(pag, agbno, block->bb_u.s.bb_rightsib); return fa; } @@ -4713,10 +4706,10 @@ xfs_btree_sblock_verify( /* sibling pointer verification */ agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_sblock_siblings(bp->b_pag, NULL, -1, agbno, + fa = xfs_btree_check_sblock_siblings(bp->b_pag, agbno, block->bb_u.s.bb_leftsib); if (!fa) - fa = xfs_btree_check_sblock_siblings(bp->b_pag, NULL, -1, agbno, + fa = xfs_btree_check_sblock_siblings(bp->b_pag, agbno, block->bb_u.s.bb_rightsib); return fa; } -- cgit From 8b8ada973cacff338a0e817a97dd0afa301798c0 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:53 -0800 Subject: xfs: simplify xfs_btree_check_lblock_siblings Stop using xfs_btree_check_lptr in xfs_btree_check_lblock_siblings, as it only duplicates the xfs_verify_fsbno call in the other leg of if / else besides adding a tautological level check. With this the cur and level arguments can be removed as they are now unused. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index cea5500a0ece..fc877188919e 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -59,8 +59,6 @@ xfs_btree_magic( static inline xfs_failaddr_t xfs_btree_check_lblock_siblings( struct xfs_mount *mp, - struct xfs_btree_cur *cur, - int level, xfs_fsblock_t fsb, __be64 dsibling) { @@ -72,14 +70,8 @@ xfs_btree_check_lblock_siblings( sibling = be64_to_cpu(dsibling); if (sibling == fsb) return __this_address; - if (level >= 0) { - if (!xfs_btree_check_lptr(cur, sibling, level + 1)) - return __this_address; - } else { - if (!xfs_verify_fsbno(mp, sibling)) - return __this_address; - } - + if (!xfs_verify_fsbno(mp, sibling)) + return __this_address; return NULL; } @@ -139,10 +131,9 @@ __xfs_btree_check_lblock( if (bp) fsb = XFS_DADDR_TO_FSB(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_lblock_siblings(mp, cur, level, fsb, - block->bb_u.l.bb_leftsib); + fa = xfs_btree_check_lblock_siblings(mp, fsb, block->bb_u.l.bb_leftsib); if (!fa) - fa = xfs_btree_check_lblock_siblings(mp, cur, level, fsb, + fa = xfs_btree_check_lblock_siblings(mp, fsb, block->bb_u.l.bb_rightsib); return fa; } @@ -4651,10 +4642,9 @@ xfs_btree_lblock_verify( /* sibling pointer verification */ fsb = XFS_DADDR_TO_FSB(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_lblock_siblings(mp, NULL, -1, fsb, - block->bb_u.l.bb_leftsib); + fa = xfs_btree_check_lblock_siblings(mp, fsb, block->bb_u.l.bb_leftsib); if (!fa) - fa = xfs_btree_check_lblock_siblings(mp, NULL, -1, fsb, + fa = xfs_btree_check_lblock_siblings(mp, fsb, block->bb_u.l.bb_rightsib); return fa; } -- cgit From fb0793f206701a68f8588a09bf32f7cf44878ea3 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:53 -0800 Subject: xfs: open code xfs_btree_check_lptr in xfs_bmap_btree_to_extents xfs_bmap_btree_to_extents always passes a level of 1 to xfs_btree_check_lptr, thus making the level check redundant. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 6a374a6e8586..5a39fdb5178b 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -568,7 +568,7 @@ xfs_bmap_btree_to_extents( pp = XFS_BMAP_BROOT_PTR_ADDR(mp, rblock, 1, ifp->if_broot_bytes); cbno = be64_to_cpu(*pp); #ifdef DEBUG - if (XFS_IS_CORRUPT(cur->bc_mp, !xfs_btree_check_lptr(cur, cbno, 1))) { + if (XFS_IS_CORRUPT(cur->bc_mp, !xfs_verify_fsbno(mp, cbno))) { xfs_btree_mark_sick(cur); return -EFSCORRUPTED; } -- cgit From 57982d6c835a71da5c66e6090680de1adf6e736a Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:54 -0800 Subject: xfs: consolidate btree ptr checking Merge xfs_btree_check_sptr and xfs_btree_check_lptr into a single __xfs_btree_check_ptr that can be shared between xfs_btree_check_ptr and the scrub code. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 60 +++++++++++++++++++++++------------------------ fs/xfs/libxfs/xfs_btree.h | 21 +++-------------- fs/xfs/scrub/btree.c | 12 ++++------ 3 files changed, 36 insertions(+), 57 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index fc877188919e..1a0816aa5009 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -242,28 +242,27 @@ xfs_btree_check_block( return xfs_btree_check_sblock(cur, block, level, bp); } -/* Check that this long pointer is valid and points within the fs. */ -bool -xfs_btree_check_lptr( - struct xfs_btree_cur *cur, - xfs_fsblock_t fsbno, - int level) +int +__xfs_btree_check_ptr( + struct xfs_btree_cur *cur, + const union xfs_btree_ptr *ptr, + int index, + int level) { if (level <= 0) - return false; - return xfs_verify_fsbno(cur->bc_mp, fsbno); -} + return -EFSCORRUPTED; -/* Check that this short pointer is valid and points within the AG. */ -bool -xfs_btree_check_sptr( - struct xfs_btree_cur *cur, - xfs_agblock_t agbno, - int level) -{ - if (level <= 0) - return false; - return xfs_verify_agbno(cur->bc_ag.pag, agbno); + if (cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) { + if (!xfs_verify_fsbno(cur->bc_mp, + be64_to_cpu((&ptr->l)[index]))) + return -EFSCORRUPTED; + } else { + if (!xfs_verify_agbno(cur->bc_ag.pag, + be32_to_cpu((&ptr->s)[index]))) + return -EFSCORRUPTED; + } + + return 0; } /* @@ -277,27 +276,26 @@ xfs_btree_check_ptr( int index, int level) { - if (cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) { - if (xfs_btree_check_lptr(cur, be64_to_cpu((&ptr->l)[index]), - level)) - return 0; - xfs_err(cur->bc_mp, + int error; + + error = __xfs_btree_check_ptr(cur, ptr, index, level); + if (error) { + if (cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) { + xfs_err(cur->bc_mp, "Inode %llu fork %d: Corrupt %sbt pointer at level %d index %d.", cur->bc_ino.ip->i_ino, cur->bc_ino.whichfork, cur->bc_ops->name, level, index); - } else { - if (xfs_btree_check_sptr(cur, be32_to_cpu((&ptr->s)[index]), - level)) - return 0; - xfs_err(cur->bc_mp, + } else { + xfs_err(cur->bc_mp, "AG %u: Corrupt %sbt pointer at level %d index %d.", cur->bc_ag.pag->pag_agno, cur->bc_ops->name, level, index); + } + xfs_btree_mark_sick(cur); } - xfs_btree_mark_sick(cur); - return -EFSCORRUPTED; + return error; } #ifdef DEBUG diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 9a264ffee303..ca4a305eb071 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -343,6 +343,9 @@ xfs_failaddr_t __xfs_btree_check_lblock(struct xfs_btree_cur *cur, xfs_failaddr_t __xfs_btree_check_sblock(struct xfs_btree_cur *cur, struct xfs_btree_block *block, int level, struct xfs_buf *bp); +int __xfs_btree_check_ptr(struct xfs_btree_cur *cur, + const union xfs_btree_ptr *ptr, int index, int level); + /* * Check that block header is ok. */ @@ -353,24 +356,6 @@ xfs_btree_check_block( int level, /* level of the btree block */ struct xfs_buf *bp); /* buffer containing block, if any */ -/* - * Check that (long) pointer is ok. - */ -bool /* error (0 or EFSCORRUPTED) */ -xfs_btree_check_lptr( - struct xfs_btree_cur *cur, /* btree cursor */ - xfs_fsblock_t fsbno, /* btree block disk address */ - int level); /* btree block level */ - -/* - * Check that (short) pointer is ok. - */ -bool /* error (0 or EFSCORRUPTED) */ -xfs_btree_check_sptr( - struct xfs_btree_cur *cur, /* btree cursor */ - xfs_agblock_t agbno, /* btree block disk address */ - int level); /* btree block level */ - /* * Delete the btree cursor. */ diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c index 187d692a0b58..6fe5dae06f23 100644 --- a/fs/xfs/scrub/btree.c +++ b/fs/xfs/scrub/btree.c @@ -236,22 +236,18 @@ xchk_btree_ptr_ok( int level, union xfs_btree_ptr *ptr) { - bool res; - /* A btree rooted in an inode has no block pointer to the root. */ if (bs->cur->bc_ops->type == XFS_BTREE_TYPE_INODE && level == bs->cur->bc_nlevels) return true; /* Otherwise, check the pointers. */ - if (bs->cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) - res = xfs_btree_check_lptr(bs->cur, be64_to_cpu(ptr->l), level); - else - res = xfs_btree_check_sptr(bs->cur, be32_to_cpu(ptr->s), level); - if (!res) + if (__xfs_btree_check_ptr(bs->cur, ptr, 0, level)) { xchk_btree_set_corrupt(bs->sc, bs->cur, level); + return false; + } - return res; + return true; } /* Check that a btree block's sibling matches what we expect it. */ -- cgit From 43be09192ce1f3cf9c3d2073e822a1d0a42fe5b2 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:55 -0800 Subject: xfs: misc cleanups for __xfs_btree_check_sblock Remove the local crc variable that is only used once and remove the bp NULL checking as it can't ever be NULL for short form blocks. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 1a0816aa5009..255d5437b6e2 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -173,15 +173,13 @@ __xfs_btree_check_sblock( { struct xfs_mount *mp = cur->bc_mp; struct xfs_perag *pag = cur->bc_ag.pag; - bool crc = xfs_has_crc(mp); xfs_failaddr_t fa; - xfs_agblock_t agbno = NULLAGBLOCK; + xfs_agblock_t agbno; - if (crc) { + if (xfs_has_crc(mp)) { if (!uuid_equal(&block->bb_u.s.bb_uuid, &mp->m_sb.sb_meta_uuid)) return __this_address; - if (block->bb_u.s.bb_blkno != - cpu_to_be64(bp ? xfs_buf_daddr(bp) : XFS_BUF_DADDR_NULL)) + if (block->bb_u.s.bb_blkno != cpu_to_be64(xfs_buf_daddr(bp))) return __this_address; } @@ -193,9 +191,7 @@ __xfs_btree_check_sblock( cur->bc_ops->get_maxrecs(cur, level)) return __this_address; - if (bp) - agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp)); - + agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp)); fa = xfs_btree_check_sblock_siblings(pag, agbno, block->bb_u.s.bb_leftsib); if (!fa) -- cgit From bd45019d9aa942d1c2457d96a7dbf2ad3051754b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:56 -0800 Subject: xfs: remove the crc variable in __xfs_btree_check_lblock crc is only used once, just use the xfs_has_crc check directly. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 255d5437b6e2..4a6bc66c14d0 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -106,11 +106,10 @@ __xfs_btree_check_lblock( struct xfs_buf *bp) { struct xfs_mount *mp = cur->bc_mp; - bool crc = xfs_has_crc(mp); xfs_failaddr_t fa; xfs_fsblock_t fsb = NULLFSBLOCK; - if (crc) { + if (xfs_has_crc(mp)) { if (!uuid_equal(&block->bb_u.l.bb_uuid, &mp->m_sb.sb_meta_uuid)) return __this_address; if (block->bb_u.l.bb_blkno != -- cgit From d477f1749f00899c71605ea01aba0ce67e030471 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:57 -0800 Subject: xfs: tighten up validation of root block in inode forks Check that root blocks that sit in the inode fork and thus have a NULL bp don't have siblings. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 4a6bc66c14d0..f5d7c4236963 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -107,7 +107,7 @@ __xfs_btree_check_lblock( { struct xfs_mount *mp = cur->bc_mp; xfs_failaddr_t fa; - xfs_fsblock_t fsb = NULLFSBLOCK; + xfs_fsblock_t fsb; if (xfs_has_crc(mp)) { if (!uuid_equal(&block->bb_u.l.bb_uuid, &mp->m_sb.sb_meta_uuid)) @@ -127,9 +127,19 @@ __xfs_btree_check_lblock( cur->bc_ops->get_maxrecs(cur, level)) return __this_address; - if (bp) - fsb = XFS_DADDR_TO_FSB(mp, xfs_buf_daddr(bp)); + /* + * For inode-rooted btrees, the root block sits in the inode fork. In + * that case bp is NULL, and the block must not have any siblings. + */ + if (!bp) { + if (block->bb_u.l.bb_leftsib != cpu_to_be64(NULLFSBLOCK)) + return __this_address; + if (block->bb_u.l.bb_rightsib != cpu_to_be64(NULLFSBLOCK)) + return __this_address; + return NULL; + } + fsb = XFS_DADDR_TO_FSB(mp, xfs_buf_daddr(bp)); fa = xfs_btree_check_lblock_siblings(mp, fsb, block->bb_u.l.bb_leftsib); if (!fa) fa = xfs_btree_check_lblock_siblings(mp, fsb, -- cgit From 4ce0c711d9ab3a435bc605cd2f36a3f6b4e12c05 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:57 -0800 Subject: xfs: consolidate btree block verification Add a __xfs_btree_check_block helper that can be called by the scrub code to validate a btree block of any form, and move the duplicate error handling code from xfs_btree_check_sblock and xfs_btree_check_lblock into xfs_btree_check_block and thus remove these two helpers. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 72 ++++++++++++++++++++--------------------------- fs/xfs/libxfs/xfs_btree.h | 9 +----- fs/xfs/scrub/btree.c | 9 +----- 3 files changed, 32 insertions(+), 58 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index f5d7c4236963..c7bd05ffc4ae 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -98,7 +98,7 @@ xfs_btree_check_sblock_siblings( * Check a long btree block header. Return the address of the failing check, * or NULL if everything is ok. */ -xfs_failaddr_t +static xfs_failaddr_t __xfs_btree_check_lblock( struct xfs_btree_cur *cur, struct xfs_btree_block *block, @@ -147,33 +147,11 @@ __xfs_btree_check_lblock( return fa; } -/* Check a long btree block header. */ -static int -xfs_btree_check_lblock( - struct xfs_btree_cur *cur, - struct xfs_btree_block *block, - int level, - struct xfs_buf *bp) -{ - struct xfs_mount *mp = cur->bc_mp; - xfs_failaddr_t fa; - - fa = __xfs_btree_check_lblock(cur, block, level, bp); - if (XFS_IS_CORRUPT(mp, fa != NULL) || - XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BTREE_CHECK_LBLOCK)) { - if (bp) - trace_xfs_btree_corrupt(bp, _RET_IP_); - xfs_btree_mark_sick(cur); - return -EFSCORRUPTED; - } - return 0; -} - /* * Check a short btree block header. Return the address of the failing check, * or NULL if everything is ok. */ -xfs_failaddr_t +static xfs_failaddr_t __xfs_btree_check_sblock( struct xfs_btree_cur *cur, struct xfs_btree_block *block, @@ -209,26 +187,28 @@ __xfs_btree_check_sblock( return fa; } -/* Check a short btree block header. */ -STATIC int -xfs_btree_check_sblock( +/* + * Internal btree block check. + * + * Return NULL if the block is ok or the address of the failed check otherwise. + */ +xfs_failaddr_t +__xfs_btree_check_block( struct xfs_btree_cur *cur, struct xfs_btree_block *block, int level, struct xfs_buf *bp) { - struct xfs_mount *mp = cur->bc_mp; - xfs_failaddr_t fa; + if (cur->bc_ops->ptr_len == XFS_BTREE_SHORT_PTR_LEN) + return __xfs_btree_check_sblock(cur, block, level, bp); + return __xfs_btree_check_lblock(cur, block, level, bp); +} - fa = __xfs_btree_check_sblock(cur, block, level, bp); - if (XFS_IS_CORRUPT(mp, fa != NULL) || - XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BTREE_CHECK_SBLOCK)) { - if (bp) - trace_xfs_btree_corrupt(bp, _RET_IP_); - xfs_btree_mark_sick(cur); - return -EFSCORRUPTED; - } - return 0; +static inline unsigned int xfs_btree_block_errtag(struct xfs_btree_cur *cur) +{ + if (cur->bc_ops->ptr_len == XFS_BTREE_SHORT_PTR_LEN) + return XFS_ERRTAG_BTREE_CHECK_SBLOCK; + return XFS_ERRTAG_BTREE_CHECK_LBLOCK; } /* @@ -241,10 +221,18 @@ xfs_btree_check_block( int level, /* level of the btree block */ struct xfs_buf *bp) /* buffer containing block, if any */ { - if (cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) - return xfs_btree_check_lblock(cur, block, level, bp); - else - return xfs_btree_check_sblock(cur, block, level, bp); + struct xfs_mount *mp = cur->bc_mp; + xfs_failaddr_t fa; + + fa = __xfs_btree_check_block(cur, block, level, bp); + if (XFS_IS_CORRUPT(mp, fa != NULL) || + XFS_TEST_ERROR(false, mp, xfs_btree_block_errtag(cur))) { + if (bp) + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_btree_mark_sick(cur); + return -EFSCORRUPTED; + } + return 0; } int diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index ca4a305eb071..d3afa6209ff8 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -334,15 +334,8 @@ xfs_btree_cur_sizeof(unsigned int nlevels) */ #define XFS_BUF_TO_BLOCK(bp) ((struct xfs_btree_block *)((bp)->b_addr)) -/* - * Internal long and short btree block checks. They return NULL if the - * block is ok or the address of the failed check otherwise. - */ -xfs_failaddr_t __xfs_btree_check_lblock(struct xfs_btree_cur *cur, +xfs_failaddr_t __xfs_btree_check_block(struct xfs_btree_cur *cur, struct xfs_btree_block *block, int level, struct xfs_buf *bp); -xfs_failaddr_t __xfs_btree_check_sblock(struct xfs_btree_cur *cur, - struct xfs_btree_block *block, int level, struct xfs_buf *bp); - int __xfs_btree_check_ptr(struct xfs_btree_cur *cur, const union xfs_btree_ptr *ptr, int index, int level); diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c index 6fe5dae06f23..fe678a0438bc 100644 --- a/fs/xfs/scrub/btree.c +++ b/fs/xfs/scrub/btree.c @@ -584,7 +584,6 @@ xchk_btree_get_block( struct xfs_btree_block **pblock, struct xfs_buf **pbp) { - xfs_failaddr_t failed_at; int error; *pblock = NULL; @@ -596,13 +595,7 @@ xchk_btree_get_block( return error; xfs_btree_get_block(bs->cur, level, pbp); - if (bs->cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) - failed_at = __xfs_btree_check_lblock(bs->cur, *pblock, - level, *pbp); - else - failed_at = __xfs_btree_check_sblock(bs->cur, *pblock, - level, *pbp); - if (failed_at) { + if (__xfs_btree_check_block(bs->cur, *pblock, level, *pbp)) { xchk_btree_set_corrupt(bs->sc, bs->cur, level); return 0; } -- cgit From 5ef819c34f954fccfc42f79b9b0bea9b40cef9a1 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:58 -0800 Subject: xfs: rename btree helpers that depends on the block number representation All these helpers hardcode fsblocks or agblocks and not just the pointer size. Rename them so that the names are still fitting when we add the long format in-memory blocks and adjust the checks when calling them to check the btree types and not just pointer length. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc_btree.c | 8 ++--- fs/xfs/libxfs/xfs_bmap_btree.c | 8 ++--- fs/xfs/libxfs/xfs_btree.c | 64 ++++++++++++++++++++------------------ fs/xfs/libxfs/xfs_btree.h | 16 +++++----- fs/xfs/libxfs/xfs_ialloc_btree.c | 8 ++--- fs/xfs/libxfs/xfs_refcount_btree.c | 8 ++--- fs/xfs/libxfs/xfs_rmap_btree.c | 8 ++--- 7 files changed, 61 insertions(+), 59 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 885c7db5d6e7..6ef5ddd89600 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -322,7 +322,7 @@ xfs_allocbt_verify( return __this_address; if (xfs_has_crc(mp)) { - fa = xfs_btree_sblock_v5hdr_verify(bp); + fa = xfs_btree_agblock_v5hdr_verify(bp); if (fa) return fa; } @@ -362,7 +362,7 @@ xfs_allocbt_verify( } else if (level >= mp->m_alloc_maxlevels) return __this_address; - return xfs_btree_sblock_verify(bp, mp->m_alloc_mxr[level != 0]); + return xfs_btree_agblock_verify(bp, mp->m_alloc_mxr[level != 0]); } static void @@ -371,7 +371,7 @@ xfs_allocbt_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_allocbt_verify(bp); @@ -395,7 +395,7 @@ xfs_allocbt_write_verify( xfs_verifier_error(bp, -EFSCORRUPTED, fa); return; } - xfs_btree_sblock_calc_crc(bp); + xfs_btree_agblock_calc_crc(bp); } diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 54fdf0df8ec3..f5d84dcb58da 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -420,7 +420,7 @@ xfs_bmbt_verify( * XXX: need a better way of verifying the owner here. Right now * just make sure there has been one set. */ - fa = xfs_btree_lblock_v5hdr_verify(bp, XFS_RMAP_OWN_UNKNOWN); + fa = xfs_btree_fsblock_v5hdr_verify(bp, XFS_RMAP_OWN_UNKNOWN); if (fa) return fa; } @@ -436,7 +436,7 @@ xfs_bmbt_verify( if (level > max(mp->m_bm_maxlevels[0], mp->m_bm_maxlevels[1])) return __this_address; - return xfs_btree_lblock_verify(bp, mp->m_bmap_dmxr[level != 0]); + return xfs_btree_fsblock_verify(bp, mp->m_bmap_dmxr[level != 0]); } static void @@ -445,7 +445,7 @@ xfs_bmbt_read_verify( { xfs_failaddr_t fa; - if (!xfs_btree_lblock_verify_crc(bp)) + if (!xfs_btree_fsblock_verify_crc(bp)) xfs_verifier_error(bp, -EFSBADCRC, __this_address); else { fa = xfs_bmbt_verify(bp); @@ -469,7 +469,7 @@ xfs_bmbt_write_verify( xfs_verifier_error(bp, -EFSCORRUPTED, fa); return; } - xfs_btree_lblock_calc_crc(bp); + xfs_btree_fsblock_calc_crc(bp); } const struct xfs_buf_ops xfs_bmbt_buf_ops = { diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index c7bd05ffc4ae..96c1c6968988 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -57,7 +57,7 @@ xfs_btree_magic( * bytes. */ static inline xfs_failaddr_t -xfs_btree_check_lblock_siblings( +xfs_btree_check_fsblock_siblings( struct xfs_mount *mp, xfs_fsblock_t fsb, __be64 dsibling) @@ -76,7 +76,7 @@ xfs_btree_check_lblock_siblings( } static inline xfs_failaddr_t -xfs_btree_check_sblock_siblings( +xfs_btree_check_agblock_siblings( struct xfs_perag *pag, xfs_agblock_t agbno, __be32 dsibling) @@ -99,7 +99,7 @@ xfs_btree_check_sblock_siblings( * or NULL if everything is ok. */ static xfs_failaddr_t -__xfs_btree_check_lblock( +__xfs_btree_check_fsblock( struct xfs_btree_cur *cur, struct xfs_btree_block *block, int level, @@ -140,9 +140,10 @@ __xfs_btree_check_lblock( } fsb = XFS_DADDR_TO_FSB(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_lblock_siblings(mp, fsb, block->bb_u.l.bb_leftsib); + fa = xfs_btree_check_fsblock_siblings(mp, fsb, + block->bb_u.l.bb_leftsib); if (!fa) - fa = xfs_btree_check_lblock_siblings(mp, fsb, + fa = xfs_btree_check_fsblock_siblings(mp, fsb, block->bb_u.l.bb_rightsib); return fa; } @@ -152,7 +153,7 @@ __xfs_btree_check_lblock( * or NULL if everything is ok. */ static xfs_failaddr_t -__xfs_btree_check_sblock( +__xfs_btree_check_agblock( struct xfs_btree_cur *cur, struct xfs_btree_block *block, int level, @@ -179,10 +180,10 @@ __xfs_btree_check_sblock( return __this_address; agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_sblock_siblings(pag, agbno, + fa = xfs_btree_check_agblock_siblings(pag, agbno, block->bb_u.s.bb_leftsib); if (!fa) - fa = xfs_btree_check_sblock_siblings(pag, agbno, + fa = xfs_btree_check_agblock_siblings(pag, agbno, block->bb_u.s.bb_rightsib); return fa; } @@ -199,9 +200,9 @@ __xfs_btree_check_block( int level, struct xfs_buf *bp) { - if (cur->bc_ops->ptr_len == XFS_BTREE_SHORT_PTR_LEN) - return __xfs_btree_check_sblock(cur, block, level, bp); - return __xfs_btree_check_lblock(cur, block, level, bp); + if (cur->bc_ops->type == XFS_BTREE_TYPE_AG) + return __xfs_btree_check_agblock(cur, block, level, bp); + return __xfs_btree_check_fsblock(cur, block, level, bp); } static inline unsigned int xfs_btree_block_errtag(struct xfs_btree_cur *cur) @@ -245,7 +246,7 @@ __xfs_btree_check_ptr( if (level <= 0) return -EFSCORRUPTED; - if (cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) { + if (cur->bc_ops->type == XFS_BTREE_TYPE_INODE) { if (!xfs_verify_fsbno(cur->bc_mp, be64_to_cpu((&ptr->l)[index]))) return -EFSCORRUPTED; @@ -273,7 +274,7 @@ xfs_btree_check_ptr( error = __xfs_btree_check_ptr(cur, ptr, index, level); if (error) { - if (cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) { + if (cur->bc_ops->type == XFS_BTREE_TYPE_INODE) { xfs_err(cur->bc_mp, "Inode %llu fork %d: Corrupt %sbt pointer at level %d index %d.", cur->bc_ino.ip->i_ino, @@ -306,7 +307,7 @@ xfs_btree_check_ptr( * it to disk. */ void -xfs_btree_lblock_calc_crc( +xfs_btree_fsblock_calc_crc( struct xfs_buf *bp) { struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); @@ -320,7 +321,7 @@ xfs_btree_lblock_calc_crc( } bool -xfs_btree_lblock_verify_crc( +xfs_btree_fsblock_verify_crc( struct xfs_buf *bp) { struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); @@ -344,7 +345,7 @@ xfs_btree_lblock_verify_crc( * it to disk. */ void -xfs_btree_sblock_calc_crc( +xfs_btree_agblock_calc_crc( struct xfs_buf *bp) { struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); @@ -358,7 +359,7 @@ xfs_btree_sblock_calc_crc( } bool -xfs_btree_sblock_verify_crc( +xfs_btree_agblock_verify_crc( struct xfs_buf *bp) { struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); @@ -913,7 +914,7 @@ xfs_btree_reada_bufs( } STATIC int -xfs_btree_readahead_lblock( +xfs_btree_readahead_fsblock( struct xfs_btree_cur *cur, int lr, struct xfs_btree_block *block) @@ -938,7 +939,7 @@ xfs_btree_readahead_lblock( } STATIC int -xfs_btree_readahead_sblock( +xfs_btree_readahead_agblock( struct xfs_btree_cur *cur, int lr, struct xfs_btree_block *block) @@ -989,8 +990,8 @@ xfs_btree_readahead( block = XFS_BUF_TO_BLOCK(cur->bc_levels[lev].bp); if (cur->bc_ops->ptr_len == XFS_BTREE_LONG_PTR_LEN) - return xfs_btree_readahead_lblock(cur, lr, block); - return xfs_btree_readahead_sblock(cur, lr, block); + return xfs_btree_readahead_fsblock(cur, lr, block); + return xfs_btree_readahead_agblock(cur, lr, block); } STATIC int @@ -4597,7 +4598,7 @@ xfs_btree_change_owner( /* Verify the v5 fields of a long-format btree block. */ xfs_failaddr_t -xfs_btree_lblock_v5hdr_verify( +xfs_btree_fsblock_v5hdr_verify( struct xfs_buf *bp, uint64_t owner) { @@ -4618,7 +4619,7 @@ xfs_btree_lblock_v5hdr_verify( /* Verify a long-format btree block. */ xfs_failaddr_t -xfs_btree_lblock_verify( +xfs_btree_fsblock_verify( struct xfs_buf *bp, unsigned int max_recs) { @@ -4633,21 +4634,22 @@ xfs_btree_lblock_verify( /* sibling pointer verification */ fsb = XFS_DADDR_TO_FSB(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_lblock_siblings(mp, fsb, block->bb_u.l.bb_leftsib); + fa = xfs_btree_check_fsblock_siblings(mp, fsb, + block->bb_u.l.bb_leftsib); if (!fa) - fa = xfs_btree_check_lblock_siblings(mp, fsb, + fa = xfs_btree_check_fsblock_siblings(mp, fsb, block->bb_u.l.bb_rightsib); return fa; } /** - * xfs_btree_sblock_v5hdr_verify() -- verify the v5 fields of a short-format + * xfs_btree_agblock_v5hdr_verify() -- verify the v5 fields of a short-format * btree block * * @bp: buffer containing the btree block */ xfs_failaddr_t -xfs_btree_sblock_v5hdr_verify( +xfs_btree_agblock_v5hdr_verify( struct xfs_buf *bp) { struct xfs_mount *mp = bp->b_mount; @@ -4666,13 +4668,13 @@ xfs_btree_sblock_v5hdr_verify( } /** - * xfs_btree_sblock_verify() -- verify a short-format btree block + * xfs_btree_agblock_verify() -- verify a short-format btree block * * @bp: buffer containing the btree block * @max_recs: maximum records allowed in this btree node */ xfs_failaddr_t -xfs_btree_sblock_verify( +xfs_btree_agblock_verify( struct xfs_buf *bp, unsigned int max_recs) { @@ -4687,10 +4689,10 @@ xfs_btree_sblock_verify( /* sibling pointer verification */ agbno = xfs_daddr_to_agbno(mp, xfs_buf_daddr(bp)); - fa = xfs_btree_check_sblock_siblings(bp->b_pag, agbno, + fa = xfs_btree_check_agblock_siblings(bp->b_pag, agbno, block->bb_u.s.bb_leftsib); if (!fa) - fa = xfs_btree_check_sblock_siblings(bp->b_pag, agbno, + fa = xfs_btree_check_agblock_siblings(bp->b_pag, agbno, block->bb_u.s.bb_rightsib); return fa; } diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index d3afa6209ff8..b9b46a573e64 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -441,10 +441,10 @@ int xfs_btree_change_owner(struct xfs_btree_cur *cur, uint64_t new_owner, /* * btree block CRC helpers */ -void xfs_btree_lblock_calc_crc(struct xfs_buf *); -bool xfs_btree_lblock_verify_crc(struct xfs_buf *); -void xfs_btree_sblock_calc_crc(struct xfs_buf *); -bool xfs_btree_sblock_verify_crc(struct xfs_buf *); +void xfs_btree_fsblock_calc_crc(struct xfs_buf *); +bool xfs_btree_fsblock_verify_crc(struct xfs_buf *); +void xfs_btree_agblock_calc_crc(struct xfs_buf *); +bool xfs_btree_agblock_verify_crc(struct xfs_buf *); /* * Internal btree helpers also used by xfs_bmap.c. @@ -484,12 +484,12 @@ static inline int xfs_btree_get_level(const struct xfs_btree_block *block) #define XFS_FILBLKS_MIN(a,b) min_t(xfs_filblks_t, (a), (b)) #define XFS_FILBLKS_MAX(a,b) max_t(xfs_filblks_t, (a), (b)) -xfs_failaddr_t xfs_btree_sblock_v5hdr_verify(struct xfs_buf *bp); -xfs_failaddr_t xfs_btree_sblock_verify(struct xfs_buf *bp, +xfs_failaddr_t xfs_btree_agblock_v5hdr_verify(struct xfs_buf *bp); +xfs_failaddr_t xfs_btree_agblock_verify(struct xfs_buf *bp, unsigned int max_recs); -xfs_failaddr_t xfs_btree_lblock_v5hdr_verify(struct xfs_buf *bp, +xfs_failaddr_t xfs_btree_fsblock_v5hdr_verify(struct xfs_buf *bp, uint64_t owner); -xfs_failaddr_t xfs_btree_lblock_verify(struct xfs_buf *bp, +xfs_failaddr_t xfs_btree_fsblock_verify(struct xfs_buf *bp, unsigned int max_recs); unsigned int xfs_btree_compute_maxlevels(const unsigned int *limits, diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 74f144b2db68..cc661fca6ff5 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -309,7 +309,7 @@ xfs_inobt_verify( * xfs_perag_initialised_agi(pag)) if we ever do. */ if (xfs_has_crc(mp)) { - fa = xfs_btree_sblock_v5hdr_verify(bp); + fa = xfs_btree_agblock_v5hdr_verify(bp); if (fa) return fa; } @@ -319,7 +319,7 @@ xfs_inobt_verify( if (level >= M_IGEO(mp)->inobt_maxlevels) return __this_address; - return xfs_btree_sblock_verify(bp, + return xfs_btree_agblock_verify(bp, M_IGEO(mp)->inobt_mxr[level != 0]); } @@ -329,7 +329,7 @@ xfs_inobt_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_inobt_verify(bp); @@ -353,7 +353,7 @@ xfs_inobt_write_verify( xfs_verifier_error(bp, -EFSCORRUPTED, fa); return; } - xfs_btree_sblock_calc_crc(bp); + xfs_btree_agblock_calc_crc(bp); } diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index f93dae3db701..ca59f6c89f3e 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -217,7 +217,7 @@ 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; @@ -239,7 +239,7 @@ 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 @@ -248,7 +248,7 @@ 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); @@ -272,7 +272,7 @@ xfs_refcountbt_write_verify( xfs_verifier_error(bp, -EFSCORRUPTED, fa); return; } - xfs_btree_sblock_calc_crc(bp); + xfs_btree_agblock_calc_crc(bp); } diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index b1ecc061fdc9..0751268c102c 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -336,7 +336,7 @@ xfs_rmapbt_verify( if (!xfs_has_rmapbt(mp)) return __this_address; - fa = xfs_btree_sblock_v5hdr_verify(bp); + fa = xfs_btree_agblock_v5hdr_verify(bp); if (fa) return fa; @@ -347,7 +347,7 @@ xfs_rmapbt_verify( } else if (level >= mp->m_rmap_maxlevels) return __this_address; - return xfs_btree_sblock_verify(bp, mp->m_rmap_mxr[level != 0]); + return xfs_btree_agblock_verify(bp, mp->m_rmap_mxr[level != 0]); } static void @@ -356,7 +356,7 @@ xfs_rmapbt_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_rmapbt_verify(bp); @@ -380,7 +380,7 @@ xfs_rmapbt_write_verify( xfs_verifier_error(bp, -EFSCORRUPTED, fa); return; } - xfs_btree_sblock_calc_crc(bp); + xfs_btree_agblock_calc_crc(bp); } -- cgit From 79e72304dcba471e5c0dea2f3c67fe1a0558c140 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 22 Feb 2024 12:40:59 -0800 Subject: xfs: factor out a __xfs_btree_check_lblock_hdr helper This will allow sharing code with the in-memory block checking helper. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 96c1c6968988..b228b22893fa 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -94,20 +94,14 @@ xfs_btree_check_agblock_siblings( return NULL; } -/* - * Check a long btree block header. Return the address of the failing check, - * or NULL if everything is ok. - */ static xfs_failaddr_t -__xfs_btree_check_fsblock( +__xfs_btree_check_lblock_hdr( struct xfs_btree_cur *cur, struct xfs_btree_block *block, int level, struct xfs_buf *bp) { struct xfs_mount *mp = cur->bc_mp; - xfs_failaddr_t fa; - xfs_fsblock_t fsb; if (xfs_has_crc(mp)) { if (!uuid_equal(&block->bb_u.l.bb_uuid, &mp->m_sb.sb_meta_uuid)) @@ -127,6 +121,28 @@ __xfs_btree_check_fsblock( cur->bc_ops->get_maxrecs(cur, level)) return __this_address; + return NULL; +} + +/* + * Check a long btree block header. Return the address of the failing check, + * or NULL if everything is ok. + */ +static xfs_failaddr_t +__xfs_btree_check_fsblock( + struct xfs_btree_cur *cur, + struct xfs_btree_block *block, + int level, + struct xfs_buf *bp) +{ + struct xfs_mount *mp = cur->bc_mp; + xfs_failaddr_t fa; + xfs_fsblock_t fsb; + + fa = __xfs_btree_check_lblock_hdr(cur, block, level, bp); + if (fa) + return fa; + /* * For inode-rooted btrees, the root block sits in the inode fork. In * that case bp is NULL, and the block must not have any siblings. -- cgit