On Wed, Nov 11, 2015 at 04:13:17PM -0600, Eric Sandeen wrote:
> This adds a name to each buf_ops structure, so that if
> a verifier fails we can print the type of verifier that
> failed it. Should be a slight debugging aid, I hope.
>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
Seems harmless, but is this really necessary when we dump a stack trace?
I suppose that only happens if the error level is set appropriately.
Another option might be to use _RET_IP_. It might not be as pretty, but
we already use it all over the place for tracepoints and such.
Brian
>
> diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
> index 3479294..e1e7fe3 100644
> --- a/fs/xfs/libxfs/xfs_alloc.c
> +++ b/fs/xfs/libxfs/xfs_alloc.c
> @@ -535,6 +535,7 @@ xfs_agfl_write_verify(
> }
>
> const struct xfs_buf_ops xfs_agfl_buf_ops = {
> + .name = "xfs_agfl",
> .verify_read = xfs_agfl_read_verify,
> .verify_write = xfs_agfl_write_verify,
> };
> @@ -2339,6 +2340,7 @@ xfs_agf_write_verify(
> }
>
> const struct xfs_buf_ops xfs_agf_buf_ops = {
> + .name = "xfs_agf",
> .verify_read = xfs_agf_read_verify,
> .verify_write = xfs_agf_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
> index 90de071..eb8bbfe 100644
> --- a/fs/xfs/libxfs/xfs_alloc_btree.c
> +++ b/fs/xfs/libxfs/xfs_alloc_btree.c
> @@ -379,6 +379,7 @@ xfs_allocbt_write_verify(
> }
>
> const struct xfs_buf_ops xfs_allocbt_buf_ops = {
> + .name = "xfs_allocbt",
> .verify_read = xfs_allocbt_read_verify,
> .verify_write = xfs_allocbt_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
> index aa187f7..01a5ecf 100644
> --- a/fs/xfs/libxfs/xfs_attr_leaf.c
> +++ b/fs/xfs/libxfs/xfs_attr_leaf.c
> @@ -328,6 +328,7 @@ xfs_attr3_leaf_read_verify(
> }
>
> 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,
> };
> diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
> index 5ab95ff..f3ed9bf 100644
> --- a/fs/xfs/libxfs/xfs_attr_remote.c
> +++ b/fs/xfs/libxfs/xfs_attr_remote.c
> @@ -201,6 +201,7 @@ xfs_attr3_rmt_write_verify(
> }
>
> 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,
> };
> diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
> index 6b0cf65..1637c37 100644
> --- a/fs/xfs/libxfs/xfs_bmap_btree.c
> +++ b/fs/xfs/libxfs/xfs_bmap_btree.c
> @@ -720,6 +720,7 @@ xfs_bmbt_write_verify(
> }
>
> const struct xfs_buf_ops xfs_bmbt_buf_ops = {
> + .name = "xfs_bmbt",
> .verify_read = xfs_bmbt_read_verify,
> .verify_write = xfs_bmbt_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
> index e89a0f8..097bf77 100644
> --- a/fs/xfs/libxfs/xfs_da_btree.c
> +++ b/fs/xfs/libxfs/xfs_da_btree.c
> @@ -245,6 +245,7 @@ xfs_da3_node_read_verify(
> }
>
> 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,
> };
> diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
> index 9c10e2b..aa17cb7 100644
> --- a/fs/xfs/libxfs/xfs_dir2_block.c
> +++ b/fs/xfs/libxfs/xfs_dir2_block.c
> @@ -123,6 +123,7 @@ xfs_dir3_block_write_verify(
> }
>
> 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,
> };
> diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
> index af71a84..725fc78 100644
> --- a/fs/xfs/libxfs/xfs_dir2_data.c
> +++ b/fs/xfs/libxfs/xfs_dir2_data.c
> @@ -305,11 +305,13 @@ xfs_dir3_data_write_verify(
> }
>
> 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,
> };
>
> static const struct xfs_buf_ops xfs_dir3_data_reada_buf_ops = {
> + .name = "xfs_dir3_data_reada",
> .verify_read = xfs_dir3_data_reada_verify,
> .verify_write = xfs_dir3_data_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
> index 3923e1f..b887fb2 100644
> --- a/fs/xfs/libxfs/xfs_dir2_leaf.c
> +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
> @@ -245,11 +245,13 @@ xfs_dir3_leafn_write_verify(
> }
>
> 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,
> };
>
> 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,
> };
> diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
> index 70b0cb2..63ee03d 100644
> --- a/fs/xfs/libxfs/xfs_dir2_node.c
> +++ b/fs/xfs/libxfs/xfs_dir2_node.c
> @@ -150,6 +150,7 @@ xfs_dir3_free_write_verify(
> }
>
> 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,
> };
> diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c
> index 5331b7f..11cefb2 100644
> --- a/fs/xfs/libxfs/xfs_dquot_buf.c
> +++ b/fs/xfs/libxfs/xfs_dquot_buf.c
> @@ -282,6 +282,7 @@ xfs_dquot_buf_write_verify(
> }
>
> 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,
> };
> diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
> index 70c1db9..66d702e 100644
> --- a/fs/xfs/libxfs/xfs_ialloc.c
> +++ b/fs/xfs/libxfs/xfs_ialloc.c
> @@ -2572,6 +2572,7 @@ xfs_agi_write_verify(
> }
>
> const struct xfs_buf_ops xfs_agi_buf_ops = {
> + .name = "xfs_agi",
> .verify_read = xfs_agi_read_verify,
> .verify_write = xfs_agi_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
> index f39b285..6dd44f9 100644
> --- a/fs/xfs/libxfs/xfs_ialloc_btree.c
> +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
> @@ -304,6 +304,7 @@ xfs_inobt_write_verify(
> }
>
> const struct xfs_buf_ops xfs_inobt_buf_ops = {
> + .name = "xfs_inobt",
> .verify_read = xfs_inobt_read_verify,
> .verify_write = xfs_inobt_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
> index 268c00f..1b8d98a 100644
> --- a/fs/xfs/libxfs/xfs_inode_buf.c
> +++ b/fs/xfs/libxfs/xfs_inode_buf.c
> @@ -132,11 +132,13 @@ xfs_inode_buf_write_verify(
> }
>
> const struct xfs_buf_ops xfs_inode_buf_ops = {
> + .name = "xfs_inode",
> .verify_read = xfs_inode_buf_read_verify,
> .verify_write = xfs_inode_buf_write_verify,
> };
>
> const struct xfs_buf_ops xfs_inode_buf_ra_ops = {
> + .name = "xxfs_inode_ra",
> .verify_read = xfs_inode_buf_readahead_verify,
> .verify_write = xfs_inode_buf_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
> index a0b071d..8a53eaa 100644
> --- a/fs/xfs/libxfs/xfs_sb.c
> +++ b/fs/xfs/libxfs/xfs_sb.c
> @@ -679,11 +679,13 @@ xfs_sb_write_verify(
> }
>
> const struct xfs_buf_ops xfs_sb_buf_ops = {
> + .name = "xfs_sb",
> .verify_read = xfs_sb_read_verify,
> .verify_write = xfs_sb_write_verify,
> };
>
> const struct xfs_buf_ops xfs_sb_quiet_buf_ops = {
> + .name = "xfs_sb_quiet",
> .verify_read = xfs_sb_quiet_read_verify,
> .verify_write = xfs_sb_write_verify,
> };
> diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c
> index cb6fd20..2e2c671 100644
> --- a/fs/xfs/libxfs/xfs_symlink_remote.c
> +++ b/fs/xfs/libxfs/xfs_symlink_remote.c
> @@ -168,6 +168,7 @@ xfs_symlink_write_verify(
> }
>
> const struct xfs_buf_ops xfs_symlink_buf_ops = {
> + .name = "xfs_symlink",
> .verify_read = xfs_symlink_read_verify,
> .verify_write = xfs_symlink_write_verify,
> };
> diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
> index c79b717..c75721a 100644
> --- a/fs/xfs/xfs_buf.h
> +++ b/fs/xfs/xfs_buf.h
> @@ -132,6 +132,7 @@ struct xfs_buf_map {
> struct xfs_buf_map (map) = { .bm_bn = (blkno), .bm_len = (numblk) };
>
> struct xfs_buf_ops {
> + char *name;
> void (*verify_read)(struct xfs_buf *);
> void (*verify_write)(struct xfs_buf *);
> };
> diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
> index 74d0e59..88693a9 100644
> --- a/fs/xfs/xfs_error.c
> +++ b/fs/xfs/xfs_error.c
> @@ -164,9 +164,9 @@ xfs_verifier_error(
> {
> struct xfs_mount *mp = bp->b_target->bt_mount;
>
> - xfs_alert(mp, "Metadata %s detected at %pF, block 0x%llx",
> + xfs_alert(mp, "Metadata %s detected at %pF, %s block 0x%llx",
> bp->b_error == -EFSBADCRC ? "CRC error" : "corruption",
> - __return_address, bp->b_bn);
> + __return_address, bp->b_ops->name, bp->b_bn);
>
> xfs_alert(mp, "Unmount and run xfs_repair");
>
>
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