From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DE1837F3F for ; Thu, 6 Jun 2013 19:26:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4F79FAC00B for ; Thu, 6 Jun 2013 17:26:54 -0700 (PDT) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id MRW5cBmpYscaltXS for ; Thu, 06 Jun 2013 17:26:51 -0700 (PDT) Received: from disappointment ([192.168.1.1]) by dastard with esmtp (Exim 4.76) (envelope-from ) id 1UkkVw-0003uy-GB for xfs@oss.sgi.com; Fri, 07 Jun 2013 10:26:44 +1000 Received: from dave by disappointment with local (Exim 4.80) (envelope-from ) id 1UkkVc-0001Kp-92 for xfs@oss.sgi.com; Fri, 07 Jun 2013 10:26:24 +1000 From: Dave Chinner Subject: [PATCH 18/48] xfs: add buffer types to directory and attribute buffers Date: Fri, 7 Jun 2013 10:25:41 +1000 Message-Id: <1370564771-4929-19-git-send-email-david@fromorbit.com> In-Reply-To: <1370564771-4929-1-git-send-email-david@fromorbit.com> References: <1370564771-4929-1-git-send-email-david@fromorbit.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com From: Dave Chinner 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 --- include/xfs_attr_remote.h | 2 ++ include/xfs_buf_item.h | 18 +++++++++++++++++- include/xfs_da_btree.h | 2 ++ include/xfs_trans.h | 2 ++ libxfs/xfs.h | 1 + libxfs/xfs_attr_leaf.c | 9 ++++++++- libxfs/xfs_da_btree.c | 46 ++++++++++++++++++++++++++++++++++++++++++--- libxfs/xfs_dir2_block.c | 12 +++++++++--- libxfs/xfs_dir2_data.c | 8 +++++++- libxfs/xfs_dir2_leaf.c | 24 +++++++++++++++++++---- libxfs/xfs_dir2_node.c | 17 ++++++++++++++--- libxfs/xfs_dir2_priv.h | 2 ++ 12 files changed, 127 insertions(+), 16 deletions(-) diff --git a/include/xfs_attr_remote.h b/include/xfs_attr_remote.h index 9e71edf..28f6f10 100644 --- a/include/xfs_attr_remote.h +++ b/include/xfs_attr_remote.h @@ -43,6 +43,8 @@ struct xfs_attr3_rmt_hdr { ((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \ sizeof(struct xfs_attr3_rmt_hdr) : 0)) +extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops; + int xfs_attr_rmtval_get(struct xfs_da_args *args); int xfs_attr_rmtval_set(struct xfs_da_args *args); int xfs_attr_rmtval_remove(struct xfs_da_args *args); diff --git a/include/xfs_buf_item.h b/include/xfs_buf_item.h index 09cab4e..640adcf 100644 --- a/include/xfs_buf_item.h +++ b/include/xfs_buf_item.h @@ -50,6 +50,14 @@ extern kmem_zone_t *xfs_buf_item_zone; #define XFS_BLF_AGI_BUF (1<<8) #define XFS_BLF_DINO_BUF (1<<9) #define XFS_BLF_SYMLINK_BUF (1<<10) +#define XFS_BLF_DIR_BLOCK_BUF (1<<11) +#define XFS_BLF_DIR_DATA_BUF (1<<12) +#define XFS_BLF_DIR_FREE_BUF (1<<13) +#define XFS_BLF_DIR_LEAF1_BUF (1<<14) +#define XFS_BLF_DIR_LEAFN_BUF (1<<15) +#define XFS_BLF_DA_NODE_BUF (1<<16) +#define XFS_BLF_ATTR_LEAF_BUF (1<<17) +#define XFS_BLF_ATTR_RMT_BUF (1<<18) #define XFS_BLF_TYPE_MASK \ (XFS_BLF_UDQUOT_BUF | \ @@ -60,7 +68,15 @@ extern kmem_zone_t *xfs_buf_item_zone; XFS_BLF_AGFL_BUF | \ XFS_BLF_AGI_BUF | \ XFS_BLF_DINO_BUF | \ - XFS_BLF_SYMLINK_BUF) + XFS_BLF_SYMLINK_BUF | \ + XFS_BLF_DIR_BLOCK_BUF | \ + XFS_BLF_DIR_DATA_BUF | \ + XFS_BLF_DIR_FREE_BUF | \ + XFS_BLF_DIR_LEAF1_BUF | \ + XFS_BLF_DIR_LEAFN_BUF | \ + XFS_BLF_DA_NODE_BUF | \ + XFS_BLF_ATTR_LEAF_BUF | \ + XFS_BLF_ATTR_RMT_BUF) #define XFS_BLF_CHUNK 128 #define XFS_BLF_SHIFT 7 diff --git a/include/xfs_da_btree.h b/include/xfs_da_btree.h index 0e8182c..6fb3371 100644 --- a/include/xfs_da_btree.h +++ b/include/xfs_da_btree.h @@ -301,6 +301,8 @@ int xfs_da3_node_read(struct xfs_trans *tp, struct xfs_inode *dp, xfs_dablk_t bno, xfs_daddr_t mappedbno, struct xfs_buf **bpp, int which_fork); +extern const struct xfs_buf_ops xfs_da3_node_buf_ops; + /* * Utility routines. */ diff --git a/include/xfs_trans.h b/include/xfs_trans.h index a9bd826..9e145e9 100644 --- a/include/xfs_trans.h +++ b/include/xfs_trans.h @@ -502,6 +502,8 @@ void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint); void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *); void xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *, uint); +void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp, + struct xfs_buf *src_bp); void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int); void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint); void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint); diff --git a/libxfs/xfs.h b/libxfs/xfs.h index c69dc4a..6bec18e 100644 --- a/libxfs/xfs.h +++ b/libxfs/xfs.h @@ -255,6 +255,7 @@ roundup_pow_of_two(uint v) #define xfs_trans_agflist_delta(tp, d) #define xfs_trans_agbtree_delta(tp, d) #define xfs_trans_buf_set_type(tp, bp, t) +#define xfs_trans_buf_copy_type(dbp, sbp) #define xfs_buf_readahead(a,b,c,ops) ((void) 0) /* no readahead */ #define xfs_buf_readahead_map(a,b,c,ops) ((void) 0) /* no readahead */ diff --git a/libxfs/xfs_attr_leaf.c b/libxfs/xfs_attr_leaf.c index 9de2244..7724781 100644 --- a/libxfs/xfs_attr_leaf.c +++ b/libxfs/xfs_attr_leaf.c @@ -236,8 +236,13 @@ xfs_attr3_leaf_read( xfs_daddr_t mappedbno, struct xfs_buf **bpp) { - return xfs_da_read_buf(tp, dp, bno, mappedbno, bpp, + int err; + + err = xfs_da_read_buf(tp, dp, bno, mappedbno, bpp, XFS_ATTR_FORK, &xfs_attr3_leaf_buf_ops); + if (!err && tp) + xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_ATTR_LEAF_BUF); + return err; } /*======================================================================== @@ -867,6 +872,7 @@ xfs_attr3_leaf_to_node( goto out; /* copy leaf to new buffer, update identifiers */ + xfs_trans_buf_set_type(args->trans, bp2, XFS_BLF_ATTR_LEAF_BUF); bp2->b_ops = bp1->b_ops; memcpy(bp2->b_addr, bp1->b_addr, XFS_LBSIZE(mp)); if (xfs_sb_version_hascrc(&mp->m_sb)) { @@ -929,6 +935,7 @@ xfs_attr3_leaf_create( if (error) return error; bp->b_ops = &xfs_attr3_leaf_buf_ops; + xfs_trans_buf_set_type(args->trans, bp, XFS_BLF_ATTR_LEAF_BUF); leaf = bp->b_addr; memset(leaf, 0, XFS_LBSIZE(mp)); diff --git a/libxfs/xfs_da_btree.c b/libxfs/xfs_da_btree.c index 5db94db..ef443ae 100644 --- a/libxfs/xfs_da_btree.c +++ b/libxfs/xfs_da_btree.c @@ -270,7 +270,6 @@ const struct xfs_buf_ops xfs_da3_node_buf_ops = { .verify_write = xfs_da3_node_write_verify, }; - int xfs_da3_node_read( struct xfs_trans *tp, @@ -280,8 +279,35 @@ xfs_da3_node_read( struct xfs_buf **bpp, int which_fork) { - return xfs_da_read_buf(tp, dp, bno, mappedbno, bpp, + int err; + + err = xfs_da_read_buf(tp, dp, bno, mappedbno, bpp, which_fork, &xfs_da3_node_buf_ops); + if (!err && tp) { + struct xfs_da_blkinfo *info = (*bpp)->b_addr; + int type; + + switch (be16_to_cpu(info->magic)) { + case XFS_DA3_NODE_MAGIC: + case XFS_DA_NODE_MAGIC: + type = XFS_BLF_DA_NODE_BUF; + break; + case XFS_ATTR_LEAF_MAGIC: + case XFS_ATTR3_LEAF_MAGIC: + type = XFS_BLF_ATTR_LEAF_BUF; + break; + case XFS_DIR2_LEAFN_MAGIC: + case XFS_DIR3_LEAFN_MAGIC: + type = XFS_BLF_DIR_LEAFN_BUF; + break; + default: + type = 0; + ASSERT(0); + break; + } + xfs_trans_buf_set_type(tp, *bpp, type); + } + return err; } /*======================================================================== @@ -312,6 +338,8 @@ xfs_da3_node_create( error = xfs_da_get_buf(tp, args->dp, blkno, -1, &bp, whichfork); if (error) return(error); + bp->b_ops = &xfs_da3_node_buf_ops; + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DA_NODE_BUF); node = bp->b_addr; if (xfs_sb_version_hascrc(&mp->m_sb)) { @@ -330,7 +358,6 @@ xfs_da3_node_create( xfs_trans_log_buf(tp, bp, XFS_DA_LOGRANGE(node, &node->hdr, xfs_da3_node_hdr_size(node))); - bp->b_ops = &xfs_da3_node_buf_ops; *bpp = bp; return(0); } @@ -541,6 +568,12 @@ xfs_da3_root_split( btree = xfs_da3_node_tree_p(oldroot); size = (int)((char *)&btree[nodehdr.count] - (char *)oldroot); level = nodehdr.level; + + /* + * we are about to copy oldroot to bp, so set up the type + * of bp while we know exactly what it will be. + */ + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DA_NODE_BUF); } else { struct xfs_dir3_icleaf_hdr leafhdr; struct xfs_dir2_leaf_entry *ents; @@ -553,6 +586,12 @@ xfs_da3_root_split( leafhdr.magic == XFS_DIR3_LEAFN_MAGIC); size = (int)((char *)&ents[leafhdr.count] - (char *)leaf); level = 0; + + /* + * we are about to copy oldroot to bp, so set up the type + * of bp while we know exactly what it will be. + */ + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_LEAFN_BUF); } /* @@ -1068,6 +1107,7 @@ xfs_da3_root_join( */ memcpy(root_blk->bp->b_addr, bp->b_addr, state->blocksize); root_blk->bp->b_ops = bp->b_ops; + xfs_trans_buf_copy_type(root_blk->bp, bp); if (oldroothdr.magic == XFS_DA3_NODE_MAGIC) { struct xfs_da3_blkinfo *da3 = root_blk->bp->b_addr; da3->blkno = cpu_to_be64(root_blk->bp->b_bn); diff --git a/libxfs/xfs_dir2_block.c b/libxfs/xfs_dir2_block.c index b98b749..574e414 100644 --- a/libxfs/xfs_dir2_block.c +++ b/libxfs/xfs_dir2_block.c @@ -114,20 +114,26 @@ xfs_dir3_block_read( struct xfs_buf **bpp) { struct xfs_mount *mp = dp->i_mount; + int err; - return xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, bpp, + err = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, bpp, XFS_DATA_FORK, &xfs_dir3_block_buf_ops); + if (!err && tp) + xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_BLOCK_BUF); + return err; } static void xfs_dir3_block_init( struct xfs_mount *mp, + struct xfs_trans *tp, struct xfs_buf *bp, struct xfs_inode *dp) { struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr; bp->b_ops = &xfs_dir3_block_buf_ops; + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_BLOCK_BUF); if (xfs_sb_version_hascrc(&mp->m_sb)) { memset(hdr3, 0, sizeof(*hdr3)); @@ -964,7 +970,7 @@ xfs_dir2_leaf_to_block( /* * Start converting it to block form. */ - xfs_dir3_block_init(mp, dbp, dp); + xfs_dir3_block_init(mp, tp, dbp, dp); needlog = 1; needscan = 0; @@ -1093,7 +1099,7 @@ xfs_dir2_sf_to_block( kmem_free(sfp); return error; } - xfs_dir3_block_init(mp, bp, dp); + xfs_dir3_block_init(mp, tp, bp, dp); hdr = bp->b_addr; /* diff --git a/libxfs/xfs_dir2_data.c b/libxfs/xfs_dir2_data.c index 69841df..9752ae3 100644 --- a/libxfs/xfs_dir2_data.c +++ b/libxfs/xfs_dir2_data.c @@ -283,8 +283,13 @@ xfs_dir3_data_read( xfs_daddr_t mapped_bno, struct xfs_buf **bpp) { - return xfs_da_read_buf(tp, dp, bno, mapped_bno, bpp, + int err; + + err = xfs_da_read_buf(tp, dp, bno, mapped_bno, bpp, XFS_DATA_FORK, &xfs_dir3_data_buf_ops); + if (!err && tp) + xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_DATA_BUF); + return err; } int @@ -553,6 +558,7 @@ xfs_dir3_data_init( if (error) return error; bp->b_ops = &xfs_dir3_data_buf_ops; + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_DATA_BUF); /* * Initialize the header. diff --git a/libxfs/xfs_dir2_leaf.c b/libxfs/xfs_dir2_leaf.c index f00b23c..3d1ec23 100644 --- a/libxfs/xfs_dir2_leaf.c +++ b/libxfs/xfs_dir2_leaf.c @@ -279,8 +279,13 @@ xfs_dir3_leaf_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_leaf1_buf_ops); + if (!err && tp) + xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_LEAF1_BUF); + return err; } int @@ -291,8 +296,13 @@ xfs_dir3_leafn_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_leafn_buf_ops); + if (!err && tp) + xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_LEAFN_BUF); + return err; } /* @@ -301,6 +311,7 @@ xfs_dir3_leafn_read( static void xfs_dir3_leaf_init( struct xfs_mount *mp, + struct xfs_trans *tp, struct xfs_buf *bp, xfs_ino_t owner, __uint16_t type) @@ -335,8 +346,11 @@ xfs_dir3_leaf_init( ltp = xfs_dir2_leaf_tail_p(mp, leaf); ltp->bestcount = 0; bp->b_ops = &xfs_dir3_leaf1_buf_ops; - } else + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_LEAF1_BUF); + } else { bp->b_ops = &xfs_dir3_leafn_buf_ops; + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_LEAFN_BUF); + } } int @@ -361,7 +375,7 @@ xfs_dir3_leaf_get_buf( if (error) return error; - xfs_dir3_leaf_init(mp, bp, dp->i_ino, magic); + xfs_dir3_leaf_init(mp, tp, bp, dp->i_ino, magic); xfs_dir3_leaf_log_header(tp, bp); if (magic == XFS_DIR2_LEAF1_MAGIC) xfs_dir3_leaf_log_tail(tp, bp); @@ -456,6 +470,7 @@ xfs_dir2_block_to_leaf( * Fix up the block header, make it a data block. */ dbp->b_ops = &xfs_dir3_data_buf_ops; + xfs_trans_buf_set_type(tp, dbp, XFS_BLF_DIR_DATA_BUF); if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC)) hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC); else @@ -1776,6 +1791,7 @@ xfs_dir2_node_to_leaf( xfs_dir3_leaf_compact(args, &leafhdr, lbp); lbp->b_ops = &xfs_dir3_leaf1_buf_ops; + xfs_trans_buf_set_type(tp, lbp, XFS_BLF_DIR_LEAF1_BUF); leafhdr.magic = (leafhdr.magic == XFS_DIR2_LEAFN_MAGIC) ? XFS_DIR2_LEAF1_MAGIC : XFS_DIR3_LEAF1_MAGIC; diff --git a/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c index 9e75553..a88049b 100644 --- a/libxfs/xfs_dir2_node.c +++ b/libxfs/xfs_dir2_node.c @@ -130,7 +130,7 @@ 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, }; @@ -144,8 +144,15 @@ __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 @@ -232,7 +239,8 @@ xfs_dir3_free_get_buf( if (error) return error; - bp->b_ops = &xfs_dir3_free_buf_ops;; + xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_FREE_BUF); + bp->b_ops = &xfs_dir3_free_buf_ops; /* * Initialize the new block to be empty, and remember @@ -380,6 +388,7 @@ 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; @@ -795,6 +804,7 @@ 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); } @@ -809,6 +819,7 @@ 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) diff --git a/libxfs/xfs_dir2_priv.h b/libxfs/xfs_dir2_priv.h index 932565d..7cf573c 100644 --- a/libxfs/xfs_dir2_priv.h +++ b/libxfs/xfs_dir2_priv.h @@ -49,6 +49,7 @@ extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, #endif extern const struct xfs_buf_ops xfs_dir3_data_buf_ops; +extern const struct xfs_buf_ops xfs_dir3_free_buf_ops; extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp); extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp, @@ -77,6 +78,7 @@ extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp, xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp); /* xfs_dir2_leaf.c */ +extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops; extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops; extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp, -- 1.7.10.4 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs