diff options
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_da_format.c | 89 | ||||
| -rw-r--r-- | fs/xfs/xfs_da_format.h | 39 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2.h | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_leaf.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_node.c | 61 |
5 files changed, 126 insertions, 70 deletions
diff --git a/fs/xfs/xfs_da_format.c b/fs/xfs/xfs_da_format.c index b232c275791d..01e6f9a9b804 100644 --- a/fs/xfs/xfs_da_format.c +++ b/fs/xfs/xfs_da_format.c @@ -629,6 +629,80 @@ xfs_da3_node_hdr_to_disk( /* * Directory free space block operations */ +static int +xfs_dir2_free_hdr_size(void) +{ + return sizeof(struct xfs_dir2_free_hdr); +} + +static int +xfs_dir2_free_max_bests(struct xfs_mount *mp) +{ + return (mp->m_dirblksize - xfs_dir2_free_hdr_size()) / + sizeof(xfs_dir2_data_off_t); +} + +static __be16 * +xfs_dir2_free_bests_p(struct xfs_dir2_free *free) +{ + return (__be16 *)((char *)free + xfs_dir2_free_hdr_size()); +} + +/* + * Convert data space db to the corresponding free db. + */ +static xfs_dir2_db_t +xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db) +{ + return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir2_free_max_bests(mp); +} + +/* + * Convert data space db to the corresponding index in a free db. + */ +static int +xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db) +{ + return db % xfs_dir2_free_max_bests(mp); +} + +static int +xfs_dir3_free_hdr_size(void) +{ + return sizeof(struct xfs_dir3_free_hdr); +} + +static int +xfs_dir3_free_max_bests(struct xfs_mount *mp) +{ + return (mp->m_dirblksize - xfs_dir3_free_hdr_size()) / + sizeof(xfs_dir2_data_off_t); +} + +static __be16 * +xfs_dir3_free_bests_p(struct xfs_dir2_free *free) +{ + return (__be16 *)((char *)free + xfs_dir3_free_hdr_size()); +} + +/* + * Convert data space db to the corresponding free db. + */ +static xfs_dir2_db_t +xfs_dir3_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db) +{ + return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir3_free_max_bests(mp); +} + +/* + * Convert data space db to the corresponding index in a free db. + */ +static int +xfs_dir3_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db) +{ + return db % xfs_dir3_free_max_bests(mp); +} + static void xfs_dir2_free_hdr_from_disk( struct xfs_dir3_icfree_hdr *to, @@ -722,8 +796,13 @@ const struct xfs_dir_ops xfs_dir2_ops = { .node_hdr_from_disk = xfs_da2_node_hdr_from_disk, .node_tree_p = xfs_da2_node_tree_p, + .free_hdr_size = xfs_dir2_free_hdr_size, .free_hdr_to_disk = xfs_dir2_free_hdr_to_disk, .free_hdr_from_disk = xfs_dir2_free_hdr_from_disk, + .free_max_bests = xfs_dir2_free_max_bests, + .free_bests_p = xfs_dir2_free_bests_p, + .db_to_fdb = xfs_dir2_db_to_fdb, + .db_to_fdindex = xfs_dir2_db_to_fdindex, }; const struct xfs_dir_ops xfs_dir2_ftype_ops = { @@ -764,8 +843,13 @@ const struct xfs_dir_ops xfs_dir2_ftype_ops = { .node_hdr_from_disk = xfs_da2_node_hdr_from_disk, .node_tree_p = xfs_da2_node_tree_p, + .free_hdr_size = xfs_dir2_free_hdr_size, .free_hdr_to_disk = xfs_dir2_free_hdr_to_disk, .free_hdr_from_disk = xfs_dir2_free_hdr_from_disk, + .free_max_bests = xfs_dir2_free_max_bests, + .free_bests_p = xfs_dir2_free_bests_p, + .db_to_fdb = xfs_dir2_db_to_fdb, + .db_to_fdindex = xfs_dir2_db_to_fdindex, }; const struct xfs_dir_ops xfs_dir3_ops = { @@ -806,8 +890,13 @@ const struct xfs_dir_ops xfs_dir3_ops = { .node_hdr_from_disk = xfs_da3_node_hdr_from_disk, .node_tree_p = xfs_da3_node_tree_p, + .free_hdr_size = xfs_dir3_free_hdr_size, .free_hdr_to_disk = xfs_dir3_free_hdr_to_disk, .free_hdr_from_disk = xfs_dir3_free_hdr_from_disk, + .free_max_bests = xfs_dir3_free_max_bests, + .free_bests_p = xfs_dir3_free_bests_p, + .db_to_fdb = xfs_dir3_db_to_fdb, + .db_to_fdindex = xfs_dir3_db_to_fdindex, }; const struct xfs_dir_ops xfs_dir2_nondir_ops = { diff --git a/fs/xfs/xfs_da_format.h b/fs/xfs/xfs_da_format.h index 1ff7b9f42097..a19d3f8f639c 100644 --- a/fs/xfs/xfs_da_format.h +++ b/fs/xfs/xfs_da_format.h @@ -704,45 +704,6 @@ struct xfs_dir3_icfree_hdr { }; -static inline int -xfs_dir3_free_hdr_size(struct xfs_mount *mp) -{ - if (xfs_sb_version_hascrc(&mp->m_sb)) - return sizeof(struct xfs_dir3_free_hdr); - return sizeof(struct xfs_dir2_free_hdr); -} - -static inline int -xfs_dir3_free_max_bests(struct xfs_mount *mp) -{ - return (mp->m_dirblksize - xfs_dir3_free_hdr_size(mp)) / - sizeof(xfs_dir2_data_off_t); -} - -static inline __be16 * -xfs_dir3_free_bests_p(struct xfs_mount *mp, struct xfs_dir2_free *free) -{ - return (__be16 *)((char *)free + xfs_dir3_free_hdr_size(mp)); -} - -/* - * Convert data space db to the corresponding free db. - */ -static inline xfs_dir2_db_t -xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db) -{ - return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir3_free_max_bests(mp); -} - -/* - * Convert data space db to the corresponding index in a free db. - */ -static inline int -xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db) -{ - return db % xfs_dir3_free_max_bests(mp); -} - /* * Single block format. * diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index 61195348f667..4264cb9199f8 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -92,10 +92,15 @@ struct xfs_dir_ops { struct xfs_da_node_entry * (*node_tree_p)(struct xfs_da_intnode *dap); + int (*free_hdr_size)(void); void (*free_hdr_to_disk)(struct xfs_dir2_free *to, struct xfs_dir3_icfree_hdr *from); void (*free_hdr_from_disk)(struct xfs_dir3_icfree_hdr *to, struct xfs_dir2_free *from); + int (*free_max_bests)(struct xfs_mount *mp); + __be16 * (*free_bests_p)(struct xfs_dir2_free *free); + xfs_dir2_db_t (*db_to_fdb)(struct xfs_mount *mp, xfs_dir2_db_t db); + int (*db_to_fdindex)(struct xfs_mount *mp, xfs_dir2_db_t db); }; extern const struct xfs_dir_ops * diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index 2fb8db9fb574..a3c21b15cf7b 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -1785,7 +1785,7 @@ xfs_dir2_node_to_leaf( /* * Set up the leaf bests table. */ - memcpy(xfs_dir2_leaf_bests_p(ltp), xfs_dir3_free_bests_p(mp, free), + 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); diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index eaee8c36bcc4..853798519ae9 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -240,6 +240,7 @@ xfs_dir3_free_get_buf( STATIC void xfs_dir2_free_log_bests( struct xfs_trans *tp, + struct xfs_inode *dp, struct xfs_buf *bp, int first, /* first entry to log */ int last) /* last entry to log */ @@ -248,7 +249,7 @@ xfs_dir2_free_log_bests( __be16 *bests; free = bp->b_addr; - bests = xfs_dir3_free_bests_p(tp->t_mountp, free); + bests = dp->d_ops->free_bests_p(free); ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC) || free->hdr.magic == cpu_to_be32(XFS_DIR3_FREE_MAGIC)); xfs_trans_log_buf(tp, bp, @@ -263,6 +264,7 @@ xfs_dir2_free_log_bests( static void xfs_dir2_free_log_header( struct xfs_trans *tp, + struct xfs_inode *dp, struct xfs_buf *bp) { #ifdef DEBUG @@ -272,7 +274,7 @@ xfs_dir2_free_log_header( ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC) || free->hdr.magic == cpu_to_be32(XFS_DIR3_FREE_MAGIC)); #endif - xfs_trans_log_buf(tp, bp, 0, xfs_dir3_free_hdr_size(tp->t_mountp) - 1); + xfs_trans_log_buf(tp, bp, 0, dp->d_ops->free_hdr_size() - 1); } /* @@ -332,7 +334,7 @@ xfs_dir2_leaf_to_node( * Count active entries. */ from = xfs_dir2_leaf_bests_p(ltp); - to = xfs_dir3_free_bests_p(mp, free); + to = dp->d_ops->free_bests_p(free); for (i = n = 0; i < be32_to_cpu(ltp->bestcount); i++, from++, to++) { if ((off = be16_to_cpu(*from)) != NULLDATAOFF) n++; @@ -346,8 +348,8 @@ xfs_dir2_leaf_to_node( freehdr.nvalid = be32_to_cpu(ltp->bestcount); dp->d_ops->free_hdr_to_disk(fbp->b_addr, &freehdr); - xfs_dir2_free_log_bests(tp, fbp, 0, freehdr.nvalid - 1); - xfs_dir2_free_log_header(tp, fbp); + xfs_dir2_free_log_bests(tp, dp, fbp, 0, freehdr.nvalid - 1); + xfs_dir2_free_log_header(tp, dp, fbp); /* * Converting the leaf to a leafnode is just a matter of changing the @@ -468,7 +470,7 @@ xfs_dir2_free_hdr_check( dp->d_ops->free_hdr_from_disk(&hdr, bp->b_addr); - ASSERT((hdr.firstdb % xfs_dir3_free_max_bests(dp->i_mount)) == 0); + ASSERT((hdr.firstdb % dp->d_ops->free_max_bests(dp->i_mount)) == 0); ASSERT(hdr.firstdb <= db); ASSERT(db < hdr.firstdb + hdr.nvalid); } @@ -590,7 +592,7 @@ xfs_dir2_leafn_lookup_for_addname( * Convert the data block to the free block * holding its freespace information. */ - newfdb = xfs_dir2_db_to_fdb(mp, newdb); + newfdb = dp->d_ops->db_to_fdb(mp, newdb); /* * If it's not the one we have in hand, read it in. */ @@ -613,11 +615,11 @@ xfs_dir2_leafn_lookup_for_addname( /* * Get the index for our entry. */ - fi = xfs_dir2_db_to_fdindex(mp, curdb); + fi = dp->d_ops->db_to_fdindex(mp, curdb); /* * If it has room, return it. */ - bests = xfs_dir3_free_bests_p(mp, free); + bests = dp->d_ops->free_bests_p(free); if (unlikely(bests[fi] == cpu_to_be16(NULLDATAOFF))) { XFS_ERROR_REPORT("xfs_dir2_leafn_lookup_int", XFS_ERRLEVEL_LOW, mp); @@ -1080,15 +1082,14 @@ xfs_dir3_data_block_free( struct xfs_inode *dp = args->dp; dp->d_ops->free_hdr_from_disk(&freehdr, free); - - bests = xfs_dir3_free_bests_p(tp->t_mountp, free); + bests = dp->d_ops->free_bests_p(free); if (hdr) { /* * Data block is not empty, just set the free entry to the new * value. */ bests[findex] = cpu_to_be16(longest); - xfs_dir2_free_log_bests(tp, fbp, findex, findex); + xfs_dir2_free_log_bests(tp, dp, fbp, findex, findex); return 0; } @@ -1116,7 +1117,7 @@ xfs_dir3_data_block_free( } dp->d_ops->free_hdr_to_disk(free, &freehdr); - xfs_dir2_free_log_header(tp, fbp); + xfs_dir2_free_log_header(tp, dp, fbp); /* * If there are no useful entries left in the block, get rid of the @@ -1140,7 +1141,7 @@ xfs_dir3_data_block_free( /* Log the free entry that changed, unless we got rid of it. */ if (logfree) - xfs_dir2_free_log_bests(tp, fbp, findex, findex); + xfs_dir2_free_log_bests(tp, dp, fbp, findex, findex); return 0; } @@ -1243,7 +1244,7 @@ xfs_dir2_leafn_remove( * Convert the data block number to a free block, * read in the free block. */ - fdb = xfs_dir2_db_to_fdb(mp, db); + fdb = dp->d_ops->db_to_fdb(mp, db); error = xfs_dir2_free_read(tp, dp, xfs_dir2_db_to_da(mp, fdb), &fbp); if (error) @@ -1253,14 +1254,14 @@ xfs_dir2_leafn_remove( { struct xfs_dir3_icfree_hdr freehdr; dp->d_ops->free_hdr_from_disk(&freehdr, free); - ASSERT(freehdr.firstdb == xfs_dir3_free_max_bests(mp) * + ASSERT(freehdr.firstdb == dp->d_ops->free_max_bests(mp) * (fdb - XFS_DIR2_FREE_FIRSTDB(mp))); } #endif /* * Calculate which entry we need to fix. */ - findex = xfs_dir2_db_to_fdindex(mp, db); + findex = dp->d_ops->db_to_fdindex(mp, db); longest = be16_to_cpu(bf[0].length); /* * If the data block is now empty we can get rid of it @@ -1688,7 +1689,7 @@ xfs_dir2_node_addname_int( ifbno = fblk->blkno; free = fbp->b_addr; findex = fblk->index; - bests = xfs_dir3_free_bests_p(mp, free); + bests = dp->d_ops->free_bests_p(free); dp->d_ops->free_hdr_from_disk(&freehdr, free); /* @@ -1781,7 +1782,7 @@ xfs_dir2_node_addname_int( * and the freehdr are actually initialised if they are placed * there, so we have to do it here to avoid warnings. Blech. */ - bests = xfs_dir3_free_bests_p(mp, free); + bests = dp->d_ops->free_bests_p(free); dp->d_ops->free_hdr_from_disk(&freehdr, free); if (be16_to_cpu(bests[findex]) != NULLDATAOFF && be16_to_cpu(bests[findex]) >= length) @@ -1833,7 +1834,7 @@ xfs_dir2_node_addname_int( * Get the freespace block corresponding to the data block * that was just allocated. */ - fbno = xfs_dir2_db_to_fdb(mp, dbno); + fbno = dp->d_ops->db_to_fdb(mp, dbno); error = xfs_dir2_free_try_read(tp, dp, xfs_dir2_db_to_da(mp, fbno), &fbp); @@ -1850,12 +1851,12 @@ xfs_dir2_node_addname_int( if (error) return error; - if (unlikely(xfs_dir2_db_to_fdb(mp, dbno) != fbno)) { + if (unlikely(dp->d_ops->db_to_fdb(mp, dbno) != fbno)) { xfs_alert(mp, "%s: dir ino %llu needed freesp block %lld for\n" " data block %lld, got %lld ifbno %llu lastfbno %d", __func__, (unsigned long long)dp->i_ino, - (long long)xfs_dir2_db_to_fdb(mp, dbno), + (long long)dp->d_ops->db_to_fdb(mp, dbno), (long long)dbno, (long long)fbno, (unsigned long long)ifbno, lastfbno); if (fblk) { @@ -1880,30 +1881,30 @@ xfs_dir2_node_addname_int( if (error) return error; free = fbp->b_addr; - bests = xfs_dir3_free_bests_p(mp, free); + bests = dp->d_ops->free_bests_p(free); dp->d_ops->free_hdr_from_disk(&freehdr, free); /* * Remember the first slot as our empty slot. */ freehdr.firstdb = (fbno - XFS_DIR2_FREE_FIRSTDB(mp)) * - xfs_dir3_free_max_bests(mp); + dp->d_ops->free_max_bests(mp); } else { free = fbp->b_addr; - bests = xfs_dir3_free_bests_p(mp, free); + bests = dp->d_ops->free_bests_p(free); dp->d_ops->free_hdr_from_disk(&freehdr, free); } /* * Set the freespace block index from the data block number. */ - findex = xfs_dir2_db_to_fdindex(mp, dbno); + findex = dp->d_ops->db_to_fdindex(mp, dbno); /* * If it's after the end of the current entries in the * freespace block, extend that table. */ if (findex >= freehdr.nvalid) { - ASSERT(findex < xfs_dir3_free_max_bests(mp)); + ASSERT(findex < dp->d_ops->free_max_bests(mp)); freehdr.nvalid = findex + 1; /* * Tag new entry so nused will go up. @@ -1917,7 +1918,7 @@ xfs_dir2_node_addname_int( if (bests[findex] == cpu_to_be16(NULLDATAOFF)) { freehdr.nused++; dp->d_ops->free_hdr_to_disk(fbp->b_addr, &freehdr); - xfs_dir2_free_log_header(tp, fbp); + xfs_dir2_free_log_header(tp, dp, fbp); } /* * Update the real value in the table. @@ -1987,7 +1988,7 @@ xfs_dir2_node_addname_int( /* * If the freespace entry is now wrong, update it. */ - bests = xfs_dir3_free_bests_p(mp, free); /* gcc is so stupid */ + bests = dp->d_ops->free_bests_p(free); /* gcc is so stupid */ if (be16_to_cpu(bests[findex]) != be16_to_cpu(bf[0].length)) { bests[findex] = bf[0].length; logfree = 1; @@ -1996,7 +1997,7 @@ xfs_dir2_node_addname_int( * Log the freespace entry if needed. */ if (logfree) - xfs_dir2_free_log_bests(tp, fbp, findex, findex); + xfs_dir2_free_log_bests(tp, dp, fbp, findex, findex); /* * Return the data block and offset in args, then drop the data block. */ |
