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author | 2019-11-08 14:57:50 -0800 | |
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committer | 2019-11-10 16:54:20 -0800 | |
commit | 163fbbb3568b6acf762449b8aa7713c764cf860a (patch) | |
tree | c3a6ebfd1033ce01d45391a6ba6a70652584b9d5 /fs | |
parent | xfs: devirtualize ->leaf_hdr_from_disk (diff) | |
download | linux-163fbbb3568b6acf762449b8aa7713c764cf860a.tar.gz linux-163fbbb3568b6acf762449b8aa7713c764cf860a.tar.bz2 linux-163fbbb3568b6acf762449b8aa7713c764cf860a.zip |
xfs: devirtualize ->leaf_hdr_to_disk
Replace the ->leaf_hdr_to_disk dir ops method with a directly called
xfs_dir_leaf_hdr_to_disk helper that takes care of the differences
between the v4 and v5 on-disk format.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/xfs/libxfs/xfs_da_format.c | 35 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2.h | 2 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2_leaf.c | 39 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2_node.c | 12 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2_priv.h | 2 |
5 files changed, 42 insertions, 48 deletions
diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c index c848cab41be5..193708d12459 100644 --- a/fs/xfs/libxfs/xfs_da_format.c +++ b/fs/xfs/libxfs/xfs_da_format.c @@ -430,38 +430,6 @@ xfs_dir3_leaf_ents_p(struct xfs_dir2_leaf *lp) return ((struct xfs_dir3_leaf *)lp)->__ents; } -static void -xfs_dir2_leaf_hdr_to_disk( - struct xfs_dir2_leaf *to, - struct xfs_dir3_icleaf_hdr *from) -{ - ASSERT(from->magic == XFS_DIR2_LEAF1_MAGIC || - from->magic == XFS_DIR2_LEAFN_MAGIC); - - to->hdr.info.forw = cpu_to_be32(from->forw); - to->hdr.info.back = cpu_to_be32(from->back); - to->hdr.info.magic = cpu_to_be16(from->magic); - to->hdr.count = cpu_to_be16(from->count); - to->hdr.stale = cpu_to_be16(from->stale); -} - -static void -xfs_dir3_leaf_hdr_to_disk( - struct xfs_dir2_leaf *to, - struct xfs_dir3_icleaf_hdr *from) -{ - struct xfs_dir3_leaf_hdr *hdr3 = (struct xfs_dir3_leaf_hdr *)to; - - ASSERT(from->magic == XFS_DIR3_LEAF1_MAGIC || - from->magic == XFS_DIR3_LEAFN_MAGIC); - - hdr3->info.hdr.forw = cpu_to_be32(from->forw); - hdr3->info.hdr.back = cpu_to_be32(from->back); - hdr3->info.hdr.magic = cpu_to_be16(from->magic); - hdr3->count = cpu_to_be16(from->count); - hdr3->stale = cpu_to_be16(from->stale); -} - /* * Directory free space block operations */ @@ -615,7 +583,6 @@ static const struct xfs_dir_ops xfs_dir2_ops = { .data_unused_p = xfs_dir2_data_unused_p, .leaf_hdr_size = sizeof(struct xfs_dir2_leaf_hdr), - .leaf_hdr_to_disk = xfs_dir2_leaf_hdr_to_disk, .leaf_max_ents = xfs_dir2_max_leaf_ents, .leaf_ents_p = xfs_dir2_leaf_ents_p, @@ -659,7 +626,6 @@ static const struct xfs_dir_ops xfs_dir2_ftype_ops = { .data_unused_p = xfs_dir2_data_unused_p, .leaf_hdr_size = sizeof(struct xfs_dir2_leaf_hdr), - .leaf_hdr_to_disk = xfs_dir2_leaf_hdr_to_disk, .leaf_max_ents = xfs_dir2_max_leaf_ents, .leaf_ents_p = xfs_dir2_leaf_ents_p, @@ -703,7 +669,6 @@ static const struct xfs_dir_ops xfs_dir3_ops = { .data_unused_p = xfs_dir3_data_unused_p, .leaf_hdr_size = sizeof(struct xfs_dir3_leaf_hdr), - .leaf_hdr_to_disk = xfs_dir3_leaf_hdr_to_disk, .leaf_max_ents = xfs_dir3_max_leaf_ents, .leaf_ents_p = xfs_dir3_leaf_ents_p, diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index 74c592496bf0..15a1a72dc126 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -73,8 +73,6 @@ struct xfs_dir_ops { (*data_unused_p)(struct xfs_dir2_data_hdr *hdr); int leaf_hdr_size; - void (*leaf_hdr_to_disk)(struct xfs_dir2_leaf *to, - struct xfs_dir3_icleaf_hdr *from); int (*leaf_max_ents)(struct xfs_da_geometry *geo); struct xfs_dir2_leaf_entry * (*leaf_ents_p)(struct xfs_dir2_leaf *lp); diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c index b27609c852c5..07734c0fe8a7 100644 --- a/fs/xfs/libxfs/xfs_dir2_leaf.c +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c @@ -59,6 +59,35 @@ xfs_dir2_leaf_hdr_from_disk( } } +void +xfs_dir2_leaf_hdr_to_disk( + struct xfs_mount *mp, + struct xfs_dir2_leaf *to, + struct xfs_dir3_icleaf_hdr *from) +{ + if (xfs_sb_version_hascrc(&mp->m_sb)) { + struct xfs_dir3_leaf *to3 = (struct xfs_dir3_leaf *)to; + + ASSERT(from->magic == XFS_DIR3_LEAF1_MAGIC || + from->magic == XFS_DIR3_LEAFN_MAGIC); + + to3->hdr.info.hdr.forw = cpu_to_be32(from->forw); + to3->hdr.info.hdr.back = cpu_to_be32(from->back); + to3->hdr.info.hdr.magic = cpu_to_be16(from->magic); + to3->hdr.count = cpu_to_be16(from->count); + to3->hdr.stale = cpu_to_be16(from->stale); + } else { + ASSERT(from->magic == XFS_DIR2_LEAF1_MAGIC || + from->magic == XFS_DIR2_LEAFN_MAGIC); + + to->hdr.info.forw = cpu_to_be32(from->forw); + to->hdr.info.back = cpu_to_be32(from->back); + to->hdr.info.magic = cpu_to_be16(from->magic); + to->hdr.count = cpu_to_be16(from->count); + to->hdr.stale = cpu_to_be16(from->stale); + } +} + /* * Check the internal consistency of a leaf1 block. * Pop an assert if something is wrong. @@ -413,7 +442,7 @@ xfs_dir2_block_to_leaf( xfs_dir2_leaf_hdr_from_disk(dp->i_mount, &leafhdr, leaf); leafhdr.count = be32_to_cpu(btp->count); leafhdr.stale = be32_to_cpu(btp->stale); - dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf, &leafhdr); xfs_dir3_leaf_log_header(args, lbp); /* @@ -881,7 +910,7 @@ xfs_dir2_leaf_addname( /* * Log the leaf fields and give up the buffers. */ - dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf, &leafhdr); xfs_dir3_leaf_log_header(args, lbp); xfs_dir3_leaf_log_ents(args, lbp, lfloglow, lfloghigh); xfs_dir3_leaf_check(dp, lbp); @@ -934,7 +963,7 @@ xfs_dir3_leaf_compact( leafhdr->count -= leafhdr->stale; leafhdr->stale = 0; - dp->d_ops->leaf_hdr_to_disk(leaf, leafhdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf, leafhdr); xfs_dir3_leaf_log_header(args, bp); if (loglow != -1) xfs_dir3_leaf_log_ents(args, bp, loglow, to - 1); @@ -1386,7 +1415,7 @@ xfs_dir2_leaf_removename( * We just mark the leaf entry stale by putting a null in it. */ leafhdr.stale++; - dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf, &leafhdr); xfs_dir3_leaf_log_header(args, lbp); lep->address = cpu_to_be32(XFS_DIR2_NULL_DATAPTR); @@ -1777,7 +1806,7 @@ xfs_dir2_node_to_leaf( memcpy(xfs_dir2_leaf_bests_p(ltp), dp->d_ops->free_bests_p(free), freehdr.nvalid * sizeof(xfs_dir2_data_off_t)); - dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr); + xfs_dir2_leaf_hdr_to_disk(mp, leaf, &leafhdr); xfs_dir3_leaf_log_header(args, lbp); xfs_dir3_leaf_log_bests(args, lbp, 0, be32_to_cpu(ltp->bestcount) - 1); xfs_dir3_leaf_log_tail(args, lbp); diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index d4402b491a41..98cd645a8c99 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -497,7 +497,7 @@ xfs_dir2_leafn_add( lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(args->geo, args->blkno, args->index)); - dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf, &leafhdr); xfs_dir3_leaf_log_header(args, bp); xfs_dir3_leaf_log_ents(args, bp, lfloglow, lfloghigh); xfs_dir3_leaf_check(dp, bp); @@ -1079,8 +1079,8 @@ xfs_dir2_leafn_rebalance( ASSERT(hdr1.stale + hdr2.stale == oldstale); /* log the changes made when moving the entries */ - dp->d_ops->leaf_hdr_to_disk(leaf1, &hdr1); - dp->d_ops->leaf_hdr_to_disk(leaf2, &hdr2); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf1, &hdr1); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf2, &hdr2); xfs_dir3_leaf_log_header(args, blk1->bp); xfs_dir3_leaf_log_header(args, blk2->bp); @@ -1249,7 +1249,7 @@ xfs_dir2_leafn_remove( * Log the leaf block changes. */ leafhdr.stale++; - dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, leaf, &leafhdr); xfs_dir3_leaf_log_header(args, bp); lep->address = cpu_to_be32(XFS_DIR2_NULL_DATAPTR); @@ -1605,8 +1605,8 @@ xfs_dir2_leafn_unbalance( save_blk->hashval = be32_to_cpu(sents[savehdr.count - 1].hashval); /* log the changes made when moving the entries */ - dp->d_ops->leaf_hdr_to_disk(save_leaf, &savehdr); - dp->d_ops->leaf_hdr_to_disk(drop_leaf, &drophdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, save_leaf, &savehdr); + xfs_dir2_leaf_hdr_to_disk(dp->i_mount, drop_leaf, &drophdr); xfs_dir3_leaf_log_header(args, save_blk->bp); xfs_dir3_leaf_log_header(args, drop_blk->bp); diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h index 5f42f2c81869..af96e3faefaf 100644 --- a/fs/xfs/libxfs/xfs_dir2_priv.h +++ b/fs/xfs/libxfs/xfs_dir2_priv.h @@ -68,6 +68,8 @@ extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno, /* xfs_dir2_leaf.c */ void xfs_dir2_leaf_hdr_from_disk(struct xfs_mount *mp, struct xfs_dir3_icleaf_hdr *to, struct xfs_dir2_leaf *from); +void xfs_dir2_leaf_hdr_to_disk(struct xfs_mount *mp, struct xfs_dir2_leaf *to, + struct xfs_dir3_icleaf_hdr *from); extern int xfs_dir3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp, xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp); extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp, |