diff options
Diffstat (limited to 'fs/xfs/xfs_bmap.c')
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 20efb397a7f4..0531cd3927a9 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -439,11 +439,15 @@ xfs_bmap_sanity_check( { struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); - if (block->bb_magic != cpu_to_be32(XFS_BMAP_MAGIC) || - be16_to_cpu(block->bb_level) != level || + if (block->bb_magic != cpu_to_be32(XFS_BMAP_CRC_MAGIC) && + block->bb_magic != cpu_to_be32(XFS_BMAP_MAGIC)) + return 0; + + if (be16_to_cpu(block->bb_level) != level || be16_to_cpu(block->bb_numrecs) == 0 || be16_to_cpu(block->bb_numrecs) > mp->m_bmap_dmxr[level != 0]) return 0; + return 1; } @@ -1031,6 +1035,7 @@ xfs_bmap_extents_to_btree( xfs_extnum_t nextents; /* number of file extents */ xfs_bmbt_ptr_t *pp; /* root block address pointer */ + mp = ip->i_mount; ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS); @@ -1044,16 +1049,18 @@ xfs_bmap_extents_to_btree( * Fill in the root. */ block = ifp->if_broot; - block->bb_magic = cpu_to_be32(XFS_BMAP_MAGIC); - block->bb_level = cpu_to_be16(1); - block->bb_numrecs = cpu_to_be16(1); - block->bb_u.l.bb_leftsib = cpu_to_be64(NULLDFSBNO); - block->bb_u.l.bb_rightsib = cpu_to_be64(NULLDFSBNO); + if (xfs_sb_version_hascrc(&mp->m_sb)) + xfs_btree_init_block_int(mp, block, XFS_BUF_DADDR_NULL, + XFS_BMAP_CRC_MAGIC, 1, 1, ip->i_ino, + XFS_BTREE_LONG_PTRS | XFS_BTREE_CRC_BLOCKS); + else + xfs_btree_init_block_int(mp, block, XFS_BUF_DADDR_NULL, + XFS_BMAP_MAGIC, 1, 1, ip->i_ino, + XFS_BTREE_LONG_PTRS); /* * Need a cursor. Can't allocate until bb_level is filled in. */ - mp = ip->i_mount; cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; cur->bc_private.b.flist = flist; @@ -1102,10 +1109,15 @@ xfs_bmap_extents_to_btree( */ abp->b_ops = &xfs_bmbt_buf_ops; ablock = XFS_BUF_TO_BLOCK(abp); - ablock->bb_magic = cpu_to_be32(XFS_BMAP_MAGIC); - ablock->bb_level = 0; - ablock->bb_u.l.bb_leftsib = cpu_to_be64(NULLDFSBNO); - ablock->bb_u.l.bb_rightsib = cpu_to_be64(NULLDFSBNO); + if (xfs_sb_version_hascrc(&mp->m_sb)) + xfs_btree_init_block_int(mp, ablock, abp->b_bn, + XFS_BMAP_CRC_MAGIC, 0, 0, ip->i_ino, + XFS_BTREE_LONG_PTRS | XFS_BTREE_CRC_BLOCKS); + else + xfs_btree_init_block_int(mp, ablock, abp->b_bn, + XFS_BMAP_MAGIC, 0, 0, ip->i_ino, + XFS_BTREE_LONG_PTRS); + arp = XFS_BMBT_REC_ADDR(mp, ablock, 1); nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); for (cnt = i = 0; i < nextents; i++) { @@ -1155,7 +1167,8 @@ xfs_bmap_local_to_extents( xfs_extlen_t total, /* total blocks needed by transaction */ int *logflagsp, /* inode logging flags */ int whichfork, - void (*init_fn)(struct xfs_buf *bp, + void (*init_fn)(struct xfs_trans *tp, + struct xfs_buf *bp, struct xfs_inode *ip, struct xfs_ifork *ifp)) { @@ -1207,7 +1220,7 @@ xfs_bmap_local_to_extents( bp = xfs_btree_get_bufl(args.mp, tp, args.fsbno, 0); /* initialise the block and copy the data */ - init_fn(bp, ip, ifp); + init_fn(tp, bp, ip, ifp); /* account for the change in fork size and log everything */ xfs_trans_log_buf(tp, bp, 0, ifp->if_bytes - 1); @@ -1314,16 +1327,19 @@ xfs_bmap_add_attrfork_extents( */ STATIC void xfs_bmap_local_to_extents_init_fn( + struct xfs_trans *tp, struct xfs_buf *bp, struct xfs_inode *ip, struct xfs_ifork *ifp) { bp->b_ops = &xfs_bmbt_buf_ops; memcpy(bp->b_addr, ifp->if_u1.if_data, ifp->if_bytes); + xfs_trans_buf_set_type(tp, bp, XFS_BLF_BTREE_BUF); } STATIC void xfs_symlink_local_to_remote( + struct xfs_trans *tp, struct xfs_buf *bp, struct xfs_inode *ip, struct xfs_ifork *ifp) @@ -1342,8 +1358,7 @@ xfs_symlink_local_to_remote( * * XXX (dgc): investigate whether directory conversion can use the generic * formatting callout. It should be possible - it's just a very complex - * formatter. it would also require passing the transaction through to the init - * function. + * formatter. */ STATIC int /* error */ xfs_bmap_add_attrfork_local( |