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| author | Dave Chinner <dchinner@redhat.com> | 2013-04-03 16:11:29 +1100 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-04-27 13:01:06 -0500 |
| commit | d75afeb3d302019527331520a2632b6614425b40 (patch) | |
| tree | 181dec415cdae00398086764a6229d115114354d /fs/xfs/xfs_dir2_node.c | |
| parent | d2e448d5fdebdcda93ed171339a3d864f65c227e (diff) | |
| download | lwn-d75afeb3d302019527331520a2632b6614425b40.tar.gz lwn-d75afeb3d302019527331520a2632b6614425b40.zip | |
xfs: add buffer types to directory and attribute buffers
Add buffer types to the buffer log items so that log recovery can
validate the buffers and calculate CRCs correctly after the buffers
are recovered.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_dir2_node.c')
| -rw-r--r-- | fs/xfs/xfs_dir2_node.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index 122449b33f5e..1806a22d5593 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -147,7 +147,7 @@ xfs_dir3_free_write_verify( xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_FREE_CRC_OFF); } -static const struct xfs_buf_ops xfs_dir3_free_buf_ops = { +const struct xfs_buf_ops xfs_dir3_free_buf_ops = { .verify_read = xfs_dir3_free_read_verify, .verify_write = xfs_dir3_free_write_verify, }; @@ -161,8 +161,15 @@ __xfs_dir3_free_read( xfs_daddr_t mappedbno, struct xfs_buf **bpp) { - return xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp, + int err; + + err = xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp, XFS_DATA_FORK, &xfs_dir3_free_buf_ops); + + /* try read returns without an error or *bpp if it lands in a hole */ + if (!err && tp && *bpp) + xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_FREE_BUF); + return err; } int @@ -249,6 +256,7 @@ xfs_dir3_free_get_buf( if (error) return error; + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_FREE_BUF); bp->b_ops = &xfs_dir3_free_buf_ops; /* @@ -396,6 +404,7 @@ xfs_dir2_leaf_to_node( else leaf->hdr.info.magic = cpu_to_be16(XFS_DIR3_LEAFN_MAGIC); lbp->b_ops = &xfs_dir3_leafn_buf_ops; + xfs_trans_buf_set_type(tp, lbp, XFS_BLF_DIR_LEAFN_BUF); xfs_dir3_leaf_log_header(tp, lbp); xfs_dir3_leaf_check(mp, lbp); return 0; @@ -811,6 +820,7 @@ xfs_dir2_leafn_lookup_for_entry( (char *)curbp->b_addr); state->extrablk.magic = XFS_DIR2_DATA_MAGIC; curbp->b_ops = &xfs_dir3_data_buf_ops; + xfs_trans_buf_set_type(tp, curbp, XFS_BLF_DIR_DATA_BUF); if (cmp == XFS_CMP_EXACT) return XFS_ERROR(EEXIST); } @@ -825,6 +835,7 @@ xfs_dir2_leafn_lookup_for_entry( state->extrablk.blkno = curdb; state->extrablk.magic = XFS_DIR2_DATA_MAGIC; curbp->b_ops = &xfs_dir3_data_buf_ops; + xfs_trans_buf_set_type(tp, curbp, XFS_BLF_DIR_DATA_BUF); } else { /* If the curbp is not the CI match block, drop it */ if (state->extrablk.bp != curbp) |