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author | 2019-11-08 15:01:30 -0800 | |
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committer | 2019-11-10 16:54:21 -0800 | |
commit | 5893e4feb0eac11aab7b93ff9fe7e6e58bcec5ec (patch) | |
tree | 78e64769cd84be8918c8a608dafd0dda641aea3a /fs | |
parent | xfs: move the dir2 free header size to struct xfs_da_geometry (diff) | |
download | linux-5893e4feb0eac11aab7b93ff9fe7e6e58bcec5ec.tar.gz linux-5893e4feb0eac11aab7b93ff9fe7e6e58bcec5ec.tar.bz2 linux-5893e4feb0eac11aab7b93ff9fe7e6e58bcec5ec.zip |
xfs: move the max dir2 free bests count to struct xfs_da_geometry
Move the max free bests count towards our structure for dir/attr
geometry parameters.
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_btree.h | 1 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_da_format.c | 29 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2.c | 2 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2.h | 1 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2_node.c | 12 |
5 files changed, 12 insertions, 33 deletions
diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h index e8f0b7ac051c..40110acf9f8a 100644 --- a/fs/xfs/libxfs/xfs_da_btree.h +++ b/fs/xfs/libxfs/xfs_da_btree.h @@ -30,6 +30,7 @@ struct xfs_da_geometry { unsigned int leaf_max_ents; /* # of entries in dir2 leaf */ xfs_dablk_t leafblk; /* blockno of leaf data v2 */ unsigned int free_hdr_size; /* dir2 free header size */ + unsigned int free_max_bests; /* # of bests entries in dir2 free */ xfs_dablk_t freeblk; /* blockno of free data v2 */ }; diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c index 1fc8982c830f..d2d3144c1598 100644 --- a/fs/xfs/libxfs/xfs_da_format.c +++ b/fs/xfs/libxfs/xfs_da_format.c @@ -400,17 +400,6 @@ xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr) ((char *)hdr + sizeof(struct xfs_dir3_data_hdr)); } - -/* - * Directory free space block operations - */ -static int -xfs_dir2_free_max_bests(struct xfs_da_geometry *geo) -{ - return (geo->blksize - sizeof(struct xfs_dir2_free_hdr)) / - sizeof(xfs_dir2_data_off_t); -} - /* * Convert data space db to the corresponding free db. */ @@ -418,7 +407,7 @@ static xfs_dir2_db_t xfs_dir2_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db) { return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) + - (db / xfs_dir2_free_max_bests(geo)); + (db / geo->free_max_bests); } /* @@ -427,14 +416,7 @@ xfs_dir2_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db) static int xfs_dir2_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db) { - return db % xfs_dir2_free_max_bests(geo); -} - -static int -xfs_dir3_free_max_bests(struct xfs_da_geometry *geo) -{ - return (geo->blksize - sizeof(struct xfs_dir3_free_hdr)) / - sizeof(xfs_dir2_data_off_t); + return db % geo->free_max_bests; } /* @@ -444,7 +426,7 @@ static xfs_dir2_db_t xfs_dir3_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db) { return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) + - (db / xfs_dir3_free_max_bests(geo)); + (db / geo->free_max_bests); } /* @@ -453,7 +435,7 @@ xfs_dir3_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db) static int xfs_dir3_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db) { - return db % xfs_dir3_free_max_bests(geo); + return db % geo->free_max_bests; } static const struct xfs_dir_ops xfs_dir2_ops = { @@ -486,7 +468,6 @@ static const struct xfs_dir_ops xfs_dir2_ops = { .data_entry_p = xfs_dir2_data_entry_p, .data_unused_p = xfs_dir2_data_unused_p, - .free_max_bests = xfs_dir2_free_max_bests, .db_to_fdb = xfs_dir2_db_to_fdb, .db_to_fdindex = xfs_dir2_db_to_fdindex, }; @@ -521,7 +502,6 @@ static const struct xfs_dir_ops xfs_dir2_ftype_ops = { .data_entry_p = xfs_dir2_data_entry_p, .data_unused_p = xfs_dir2_data_unused_p, - .free_max_bests = xfs_dir2_free_max_bests, .db_to_fdb = xfs_dir2_db_to_fdb, .db_to_fdindex = xfs_dir2_db_to_fdindex, }; @@ -556,7 +536,6 @@ static const struct xfs_dir_ops xfs_dir3_ops = { .data_entry_p = xfs_dir3_data_entry_p, .data_unused_p = xfs_dir3_data_unused_p, - .free_max_bests = xfs_dir3_free_max_bests, .db_to_fdb = xfs_dir3_db_to_fdb, .db_to_fdindex = xfs_dir3_db_to_fdindex, }; diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index eee75ec9707f..77a297e7d91c 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -133,6 +133,8 @@ xfs_da_mount( } dageo->leaf_max_ents = (dageo->blksize - dageo->leaf_hdr_size) / sizeof(struct xfs_dir2_leaf_entry); + dageo->free_max_bests = (dageo->blksize - dageo->free_hdr_size) / + sizeof(xfs_dir2_data_off_t); /* * Now we've set up the block conversion variables, we can calculate the diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index d87cd71e3cf1..e3c1385d1522 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -72,7 +72,6 @@ struct xfs_dir_ops { struct xfs_dir2_data_unused * (*data_unused_p)(struct xfs_dir2_data_hdr *hdr); - int (*free_max_bests)(struct xfs_da_geometry *geo); xfs_dir2_db_t (*db_to_fdb)(struct xfs_da_geometry *geo, xfs_dir2_db_t db); int (*db_to_fdindex)(struct xfs_da_geometry *geo, diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index b9d5f4ae9a8d..5d35a6d77b56 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -160,10 +160,9 @@ xfs_dir3_free_header_check( struct xfs_buf *bp) { struct xfs_mount *mp = dp->i_mount; + int maxbests = mp->m_dir_geo->free_max_bests; unsigned int firstdb; - int maxbests; - maxbests = dp->d_ops->free_max_bests(mp->m_dir_geo); firstdb = (xfs_dir2_da_to_db(mp->m_dir_geo, fbno) - xfs_dir2_byte_to_db(mp->m_dir_geo, XFS_DIR2_FREE_OFFSET)) * maxbests; @@ -562,8 +561,7 @@ xfs_dir2_free_hdr_check( xfs_dir2_free_hdr_from_disk(dp->i_mount, &hdr, bp->b_addr); - ASSERT((hdr.firstdb % - dp->d_ops->free_max_bests(dp->i_mount->m_dir_geo)) == 0); + ASSERT((hdr.firstdb % dp->i_mount->m_dir_geo->free_max_bests) == 0); ASSERT(hdr.firstdb <= db); ASSERT(db < hdr.firstdb + hdr.nvalid); } @@ -1340,7 +1338,7 @@ xfs_dir2_leafn_remove( struct xfs_dir3_icfree_hdr freehdr; xfs_dir2_free_hdr_from_disk(dp->i_mount, &freehdr, free); - ASSERT(freehdr.firstdb == dp->d_ops->free_max_bests(args->geo) * + ASSERT(freehdr.firstdb == args->geo->free_max_bests * (fdb - xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET))); } @@ -1733,7 +1731,7 @@ xfs_dir2_node_add_datablk( /* Remember the first slot as our empty slot. */ hdr->firstdb = (fbno - xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET)) * - dp->d_ops->free_max_bests(args->geo); + args->geo->free_max_bests; } else { xfs_dir2_free_hdr_from_disk(mp, hdr, fbp->b_addr); } @@ -1743,7 +1741,7 @@ xfs_dir2_node_add_datablk( /* Extend the freespace table if the new data block is off the end. */ if (*findex >= hdr->nvalid) { - ASSERT(*findex < dp->d_ops->free_max_bests(args->geo)); + ASSERT(*findex < args->geo->free_max_bests); hdr->nvalid = *findex + 1; hdr->bests[*findex] = cpu_to_be16(NULLDATAOFF); } |