From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Expose all metadata structure buffer verifier functions via buf_ops. These will be used by the online scrub mechanism to look for problems with buffers that are already sitting around in memory. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- fs/xfs/libxfs/xfs_alloc.c | 14 ++++++++------ fs/xfs/libxfs/xfs_alloc_btree.c | 1 + fs/xfs/libxfs/xfs_attr_leaf.c | 1 + fs/xfs/libxfs/xfs_attr_remote.c | 32 ++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_bmap_btree.c | 1 + fs/xfs/libxfs/xfs_da_btree.c | 25 +++++++++++++++++++++++++ fs/xfs/libxfs/xfs_dir2_block.c | 1 + fs/xfs/libxfs/xfs_dir2_data.c | 1 + fs/xfs/libxfs/xfs_dir2_leaf.c | 16 ++++++++++++++++ fs/xfs/libxfs/xfs_dir2_node.c | 1 + fs/xfs/libxfs/xfs_dquot_buf.c | 12 ++++++++++++ fs/xfs/libxfs/xfs_ialloc.c | 1 + fs/xfs/libxfs/xfs_ialloc_btree.c | 1 + fs/xfs/libxfs/xfs_refcount_btree.c | 1 + fs/xfs/libxfs/xfs_rmap_btree.c | 1 + fs/xfs/libxfs/xfs_symlink_remote.c | 1 + fs/xfs/xfs_buf.h | 1 + 17 files changed, 105 insertions(+), 6 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index d49b1e3..21a1c21 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -604,6 +604,7 @@ const struct xfs_buf_ops xfs_agfl_buf_ops = { .name = "xfs_agfl", .verify_read = xfs_agfl_read_verify, .verify_write = xfs_agfl_write_verify, + .verify_struct = xfs_agfl_verify, }; /* @@ -2393,10 +2394,10 @@ xfs_alloc_put_freelist( static void * xfs_agf_verify( - struct xfs_mount *mp, - struct xfs_buf *bp) - { - struct xfs_agf *agf = XFS_BUF_TO_AGF(bp); + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + struct xfs_agf *agf = XFS_BUF_TO_AGF(bp); if (xfs_sb_version_hascrc(&mp->m_sb)) { if (!uuid_equal(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid)) @@ -2457,7 +2458,7 @@ xfs_agf_read_verify( if (xfs_sb_version_hascrc(&mp->m_sb) && !xfs_buf_verify_cksum(bp, XFS_AGF_CRC_OFF)) xfs_buf_ioerror(bp, -EFSBADCRC); - else if (XFS_TEST_ERROR((failed_at = xfs_agf_verify(mp, bp)), mp, + else if (XFS_TEST_ERROR((failed_at = xfs_agf_verify(bp)), mp, XFS_ERRTAG_ALLOC_READ_AGF)) xfs_buf_ioerror(bp, -EFSCORRUPTED); @@ -2473,7 +2474,7 @@ xfs_agf_write_verify( struct xfs_buf_log_item *bip = bp->b_fspriv; void *failed_at; - if ((failed_at = xfs_agf_verify(mp, bp))) { + if ((failed_at = xfs_agf_verify(bp))) { xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp, failed_at); return; @@ -2492,6 +2493,7 @@ const struct xfs_buf_ops xfs_agf_buf_ops = { .name = "xfs_agf", .verify_read = xfs_agf_read_verify, .verify_write = xfs_agf_write_verify, + .verify_struct = xfs_agf_verify, }; /* diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 8d4c004..eb79f6c 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -397,6 +397,7 @@ const struct xfs_buf_ops xfs_allocbt_buf_ops = { .name = "xfs_allocbt", .verify_read = xfs_allocbt_read_verify, .verify_write = xfs_allocbt_write_verify, + .verify_struct = xfs_allocbt_verify, }; diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index bde5269..3a563c5 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -339,6 +339,7 @@ const struct xfs_buf_ops xfs_attr3_leaf_buf_ops = { .name = "xfs_attr3_leaf", .verify_read = xfs_attr3_leaf_read_verify, .verify_write = xfs_attr3_leaf_write_verify, + .verify_struct = xfs_attr3_leaf_verify, }; int diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index d33a4d3..164c366 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -203,10 +203,42 @@ xfs_attr3_rmt_write_verify( ASSERT(len == 0); } +static void * +xfs_attr3_rmt_verify_struct( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + char *ptr; + void *failed_at; + int len; + xfs_daddr_t bno; + int blksize = mp->m_attr_geo->blksize; + + /* no verification of non-crc buffers */ + if (!xfs_sb_version_hascrc(&mp->m_sb)) + return NULL; + + ptr = bp->b_addr; + bno = bp->b_bn; + len = BBTOB(bp->b_length); + ASSERT(len >= blksize); + + while (len > 0) { + if ((failed_at = xfs_attr3_rmt_verify(mp, ptr, blksize, bno))) + return failed_at; + len -= blksize; + ptr += blksize; + bno += BTOBB(blksize); + } + + return NULL; +} + const struct xfs_buf_ops xfs_attr3_rmt_buf_ops = { .name = "xfs_attr3_rmt", .verify_read = xfs_attr3_rmt_read_verify, .verify_write = xfs_attr3_rmt_write_verify, + .verify_struct = xfs_attr3_rmt_verify_struct, }; STATIC int diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index d613080..0d5dd7b 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -692,6 +692,7 @@ const struct xfs_buf_ops xfs_bmbt_buf_ops = { .name = "xfs_bmbt", .verify_read = xfs_bmbt_read_verify, .verify_write = xfs_bmbt_write_verify, + .verify_struct = xfs_bmbt_verify, }; diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c index f3544fb..af738bf 100644 --- a/fs/xfs/libxfs/xfs_da_btree.c +++ b/fs/xfs/libxfs/xfs_da_btree.c @@ -247,10 +247,35 @@ xfs_da3_node_read_verify( xfs_verifier_error(bp, failed_at); } +/* Verify the structure of a da3 block. */ +static void * +xfs_da3_node_verify_struct( + struct xfs_buf *bp) +{ + struct xfs_da_blkinfo *info = bp->b_addr; + + switch (be16_to_cpu(info->magic)) { + case XFS_DA3_NODE_MAGIC: + case XFS_DA_NODE_MAGIC: + return xfs_da3_node_verify(bp); + case XFS_ATTR_LEAF_MAGIC: + case XFS_ATTR3_LEAF_MAGIC: + bp->b_ops = &xfs_attr3_leaf_buf_ops; + return bp->b_ops->verify_struct(bp); + case XFS_DIR2_LEAFN_MAGIC: + case XFS_DIR3_LEAFN_MAGIC: + bp->b_ops = &xfs_dir3_leafn_buf_ops; + return bp->b_ops->verify_struct(bp); + default: + return __this_address; + } +} + const struct xfs_buf_ops xfs_da3_node_buf_ops = { .name = "xfs_da3_node", .verify_read = xfs_da3_node_read_verify, .verify_write = xfs_da3_node_write_verify, + .verify_struct = xfs_da3_node_verify_struct, }; int diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c index 6c54d03..6dce935 100644 --- a/fs/xfs/libxfs/xfs_dir2_block.c +++ b/fs/xfs/libxfs/xfs_dir2_block.c @@ -126,6 +126,7 @@ const struct xfs_buf_ops xfs_dir3_block_buf_ops = { .name = "xfs_dir3_block", .verify_read = xfs_dir3_block_read_verify, .verify_write = xfs_dir3_block_write_verify, + .verify_struct = xfs_dir3_block_verify, }; int diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c index 5e27b71..d08a7ac 100644 --- a/fs/xfs/libxfs/xfs_dir2_data.c +++ b/fs/xfs/libxfs/xfs_dir2_data.c @@ -318,6 +318,7 @@ const struct xfs_buf_ops xfs_dir3_data_buf_ops = { .name = "xfs_dir3_data", .verify_read = xfs_dir3_data_read_verify, .verify_write = xfs_dir3_data_write_verify, + .verify_struct = xfs_dir3_data_verify, }; static const struct xfs_buf_ops xfs_dir3_data_reada_buf_ops = { diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c index 00dcfef..792fd98 100644 --- a/fs/xfs/libxfs/xfs_dir2_leaf.c +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c @@ -218,6 +218,13 @@ __write_verify( xfs_buf_update_cksum(bp, XFS_DIR3_LEAF_CRC_OFF); } +static void * +xfs_dir3_leaf1_verify( + struct xfs_buf *bp) +{ + return xfs_dir3_leaf_verify(bp, XFS_DIR2_LEAF1_MAGIC); +} + static void xfs_dir3_leaf1_read_verify( struct xfs_buf *bp) @@ -232,6 +239,13 @@ xfs_dir3_leaf1_write_verify( __write_verify(bp, XFS_DIR2_LEAF1_MAGIC); } +static void * +xfs_dir3_leafn_verify( + struct xfs_buf *bp) +{ + return xfs_dir3_leaf_verify(bp, XFS_DIR2_LEAFN_MAGIC); +} + static void xfs_dir3_leafn_read_verify( struct xfs_buf *bp) @@ -250,12 +264,14 @@ const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops = { .name = "xfs_dir3_leaf1", .verify_read = xfs_dir3_leaf1_read_verify, .verify_write = xfs_dir3_leaf1_write_verify, + .verify_struct = xfs_dir3_leaf1_verify, }; const struct xfs_buf_ops xfs_dir3_leafn_buf_ops = { .name = "xfs_dir3_leafn", .verify_read = xfs_dir3_leafn_read_verify, .verify_write = xfs_dir3_leafn_write_verify, + .verify_struct = xfs_dir3_leafn_verify, }; int diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index a11585b..1a5e383 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -155,6 +155,7 @@ const struct xfs_buf_ops xfs_dir3_free_buf_ops = { .name = "xfs_dir3_free", .verify_read = xfs_dir3_free_read_verify, .verify_write = xfs_dir3_free_write_verify, + .verify_struct = xfs_dir3_free_verify, }; /* Everything ok in the free block header? */ diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c index 5561011..8ce5239 100644 --- a/fs/xfs/libxfs/xfs_dquot_buf.c +++ b/fs/xfs/libxfs/xfs_dquot_buf.c @@ -242,6 +242,17 @@ xfs_dquot_buf_verify( return true; } +static void * +xfs_dquot_buf_verify_struct( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + + if (!xfs_dquot_buf_verify(mp, bp, 0)) + return __this_address; + return NULL; +} + static void xfs_dquot_buf_read_verify( struct xfs_buf *bp) @@ -298,6 +309,7 @@ const struct xfs_buf_ops xfs_dquot_buf_ops = { .name = "xfs_dquot", .verify_read = xfs_dquot_buf_read_verify, .verify_write = xfs_dquot_buf_write_verify, + .verify_struct = xfs_dquot_buf_verify_struct, }; const struct xfs_buf_ops xfs_dquot_buf_ra_ops = { diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index f27edc9..1c316f8 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -2586,6 +2586,7 @@ const struct xfs_buf_ops xfs_agi_buf_ops = { .name = "xfs_agi", .verify_read = xfs_agi_read_verify, .verify_write = xfs_agi_write_verify, + .verify_struct = xfs_agi_verify, }; /* diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 38d6a50..f920ca6 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -327,6 +327,7 @@ const struct xfs_buf_ops xfs_inobt_buf_ops = { .name = "xfs_inobt", .verify_read = xfs_inobt_read_verify, .verify_write = xfs_inobt_write_verify, + .verify_struct = xfs_inobt_verify, }; STATIC int diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index 8d6c0fc..a151b4d 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -288,6 +288,7 @@ const struct xfs_buf_ops xfs_refcountbt_buf_ops = { .name = "xfs_refcountbt", .verify_read = xfs_refcountbt_read_verify, .verify_write = xfs_refcountbt_write_verify, + .verify_struct = xfs_refcountbt_verify, }; STATIC int diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 4fd77e7..ec7b216 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -380,6 +380,7 @@ const struct xfs_buf_ops xfs_rmapbt_buf_ops = { .name = "xfs_rmapbt", .verify_read = xfs_rmapbt_read_verify, .verify_write = xfs_rmapbt_write_verify, + .verify_struct = xfs_rmapbt_verify, }; STATIC int diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c index ef5e754..53732f4 100644 --- a/fs/xfs/libxfs/xfs_symlink_remote.c +++ b/fs/xfs/libxfs/xfs_symlink_remote.c @@ -173,6 +173,7 @@ const struct xfs_buf_ops xfs_symlink_buf_ops = { .name = "xfs_symlink", .verify_read = xfs_symlink_read_verify, .verify_write = xfs_symlink_write_verify, + .verify_struct = xfs_symlink_verify, }; void diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 2072126..094e3e7 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -139,6 +139,7 @@ struct xfs_buf_ops { char *name; void (*verify_read)(struct xfs_buf *); void (*verify_write)(struct xfs_buf *); + void *(*verify_struct)(struct xfs_buf *); }; typedef struct xfs_buf { -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html