diff options
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap_btree.c | 113 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap_btree.h | 6 | ||||
| -rw-r--r-- | fs/xfs/xfs_btree.c | 101 | ||||
| -rw-r--r-- | fs/xfs/xfs_btree.h | 1 |
5 files changed, 104 insertions, 119 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 7d6c4ace8052..315bc2912682 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -476,7 +476,7 @@ xfs_bmap_add_attrfork_btree( goto error0; /* must be at least one entry */ XFS_WANT_CORRUPTED_GOTO(stat == 1, error0); - if ((error = xfs_bmbt_newroot(cur, flags, &stat))) + if ((error = xfs_btree_new_iroot(cur, flags, &stat))) goto error0; if (stat == 0) { xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index e7539263457f..204f276aeaad 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -525,7 +525,7 @@ xfs_bmbt_insrec( cur->bc_private.b.whichfork); block = xfs_bmbt_get_block(cur, level, &bp); } else if (level == cur->bc_nlevels - 1) { - if ((error = xfs_bmbt_newroot(cur, &logflags, stat)) || + if ((error = xfs_btree_new_iroot(cur, &logflags, stat)) || *stat == 0) { XFS_BMBT_TRACE_CURSOR(cur, ERROR); return error; @@ -1183,117 +1183,6 @@ xfs_bmbt_log_recs( } /* - * Give the bmap btree a new root block. Copy the old broot contents - * down into a real block and make the broot point to it. - */ -int /* error */ -xfs_bmbt_newroot( - xfs_btree_cur_t *cur, /* btree cursor */ - int *logflags, /* logging flags for inode */ - int *stat) /* return status - 0 fail */ -{ - xfs_alloc_arg_t args; /* allocation arguments */ - xfs_bmbt_block_t *block; /* bmap btree block */ - xfs_buf_t *bp; /* buffer for block */ - xfs_bmbt_block_t *cblock; /* child btree block */ - xfs_bmbt_key_t *ckp; /* child key pointer */ - xfs_bmbt_ptr_t *cpp; /* child ptr pointer */ - int error; /* error return code */ -#ifdef DEBUG - int i; /* loop counter */ -#endif - xfs_bmbt_key_t *kp; /* pointer to bmap btree key */ - int level; /* btree level */ - xfs_bmbt_ptr_t *pp; /* pointer to bmap block addr */ - - XFS_BMBT_TRACE_CURSOR(cur, ENTRY); - level = cur->bc_nlevels - 1; - block = xfs_bmbt_get_block(cur, level, &bp); - /* - * Copy the root into a real block. - */ - args.mp = cur->bc_mp; - pp = XFS_BMAP_PTR_IADDR(block, 1, cur); - args.tp = cur->bc_tp; - args.fsbno = cur->bc_private.b.firstblock; - args.mod = args.minleft = args.alignment = args.total = args.isfl = - args.userdata = args.minalignslop = 0; - args.minlen = args.maxlen = args.prod = 1; - args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL; - args.firstblock = args.fsbno; - if (args.fsbno == NULLFSBLOCK) { -#ifdef DEBUG - if ((error = xfs_btree_check_lptr_disk(cur, *pp, level))) { - XFS_BMBT_TRACE_CURSOR(cur, ERROR); - return error; - } -#endif - args.fsbno = be64_to_cpu(*pp); - args.type = XFS_ALLOCTYPE_START_BNO; - } else if (cur->bc_private.b.flist->xbf_low) - args.type = XFS_ALLOCTYPE_START_BNO; - else - args.type = XFS_ALLOCTYPE_NEAR_BNO; - if ((error = xfs_alloc_vextent(&args))) { - XFS_BMBT_TRACE_CURSOR(cur, ERROR); - return error; - } - if (args.fsbno == NULLFSBLOCK) { - XFS_BMBT_TRACE_CURSOR(cur, EXIT); - *stat = 0; - return 0; - } - ASSERT(args.len == 1); - cur->bc_private.b.firstblock = args.fsbno; - cur->bc_private.b.allocated++; - cur->bc_private.b.ip->i_d.di_nblocks++; - XFS_TRANS_MOD_DQUOT_BYINO(args.mp, args.tp, cur->bc_private.b.ip, - XFS_TRANS_DQ_BCOUNT, 1L); - bp = xfs_btree_get_bufl(args.mp, cur->bc_tp, args.fsbno, 0); - cblock = XFS_BUF_TO_BMBT_BLOCK(bp); - *cblock = *block; - be16_add_cpu(&block->bb_level, 1); - block->bb_numrecs = cpu_to_be16(1); - cur->bc_nlevels++; - cur->bc_ptrs[level + 1] = 1; - kp = XFS_BMAP_KEY_IADDR(block, 1, cur); - ckp = XFS_BMAP_KEY_IADDR(cblock, 1, cur); - memcpy(ckp, kp, be16_to_cpu(cblock->bb_numrecs) * sizeof(*kp)); - cpp = XFS_BMAP_PTR_IADDR(cblock, 1, cur); -#ifdef DEBUG - for (i = 0; i < be16_to_cpu(cblock->bb_numrecs); i++) { - if ((error = xfs_btree_check_lptr_disk(cur, pp[i], level))) { - XFS_BMBT_TRACE_CURSOR(cur, ERROR); - return error; - } - } -#endif - memcpy(cpp, pp, be16_to_cpu(cblock->bb_numrecs) * sizeof(*pp)); -#ifdef DEBUG - if ((error = xfs_btree_check_lptr(cur, args.fsbno, level))) { - XFS_BMBT_TRACE_CURSOR(cur, ERROR); - return error; - } -#endif - *pp = cpu_to_be64(args.fsbno); - xfs_iroot_realloc(cur->bc_private.b.ip, 1 - be16_to_cpu(cblock->bb_numrecs), - cur->bc_private.b.whichfork); - xfs_btree_setbuf(cur, level, bp); - /* - * Do all this logging at the end so that - * the root is at the right level. - */ - xfs_bmbt_log_block(cur, bp, XFS_BB_ALL_BITS); - xfs_bmbt_log_keys(cur, bp, 1, be16_to_cpu(cblock->bb_numrecs)); - xfs_bmbt_log_ptrs(cur, bp, 1, be16_to_cpu(cblock->bb_numrecs)); - XFS_BMBT_TRACE_CURSOR(cur, EXIT); - *logflags |= - XFS_ILOG_CORE | XFS_ILOG_FBROOT(cur->bc_private.b.whichfork); - *stat = 1; - return 0; -} - -/* * Set all the fields in a bmap extent record from the arguments. */ void diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h index 6bfd62ec54fb..26fd8ace3e77 100644 --- a/fs/xfs/xfs_bmap_btree.h +++ b/fs/xfs/xfs_bmap_btree.h @@ -255,12 +255,6 @@ extern void xfs_bmbt_log_block(struct xfs_btree_cur *, struct xfs_buf *, int); extern void xfs_bmbt_log_recs(struct xfs_btree_cur *, struct xfs_buf *, int, int); -/* - * Give the bmap btree a new root block. Copy the old broot contents - * down into a real block and make the broot point to it. - */ -extern int xfs_bmbt_newroot(struct xfs_btree_cur *cur, int *lflags, int *stat); - extern void xfs_bmbt_set_all(xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s); extern void xfs_bmbt_set_allf(xfs_bmbt_rec_host_t *r, xfs_fileoff_t o, xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v); diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index 8de884c4dab7..3b6e01dea669 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -2469,6 +2469,107 @@ error0: } /* + * Copy the old inode root contents into a real block and make the + * broot point to it. + */ +int /* error */ +xfs_btree_new_iroot( + struct xfs_btree_cur *cur, /* btree cursor */ + int *logflags, /* logging flags for inode */ + int *stat) /* return status - 0 fail */ +{ + struct xfs_buf *cbp; /* buffer for cblock */ + struct xfs_btree_block *block; /* btree block */ + struct xfs_btree_block *cblock; /* child btree block */ + union xfs_btree_key *ckp; /* child key pointer */ + union xfs_btree_ptr *cpp; /* child ptr pointer */ + union xfs_btree_key *kp; /* pointer to btree key */ + union xfs_btree_ptr *pp; /* pointer to block addr */ + union xfs_btree_ptr nptr; /* new block addr */ + int level; /* btree level */ + int error; /* error return code */ +#ifdef DEBUG + int i; /* loop counter */ +#endif + + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); + XFS_BTREE_STATS_INC(cur, newroot); + + ASSERT(cur->bc_flags & XFS_BTREE_ROOT_IN_INODE); + + level = cur->bc_nlevels - 1; + + block = xfs_btree_get_iroot(cur); + pp = xfs_btree_ptr_addr(cur, 1, block); + + /* Allocate the new block. If we can't do it, we're toast. Give up. */ + error = cur->bc_ops->alloc_block(cur, pp, &nptr, 1, stat); + if (error) + goto error0; + if (*stat == 0) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + return 0; + } + XFS_BTREE_STATS_INC(cur, alloc); + + /* Copy the root into a real block. */ + error = xfs_btree_get_buf_block(cur, &nptr, 0, &cblock, &cbp); + if (error) + goto error0; + + memcpy(cblock, block, xfs_btree_block_len(cur)); + + be16_add_cpu(&block->bb_level, 1); + xfs_btree_set_numrecs(block, 1); + cur->bc_nlevels++; + cur->bc_ptrs[level + 1] = 1; + + kp = xfs_btree_key_addr(cur, 1, block); + ckp = xfs_btree_key_addr(cur, 1, cblock); + xfs_btree_copy_keys(cur, ckp, kp, xfs_btree_get_numrecs(cblock)); + + cpp = xfs_btree_ptr_addr(cur, 1, cblock); +#ifdef DEBUG + for (i = 0; i < be16_to_cpu(cblock->bb_numrecs); i++) { + error = xfs_btree_check_ptr(cur, pp, i, level); + if (error) + goto error0; + } +#endif + xfs_btree_copy_ptrs(cur, cpp, pp, xfs_btree_get_numrecs(cblock)); + +#ifdef DEBUG + error = xfs_btree_check_ptr(cur, &nptr, 0, level); + if (error) + goto error0; +#endif + xfs_btree_copy_ptrs(cur, pp, &nptr, 1); + + xfs_iroot_realloc(cur->bc_private.b.ip, + 1 - xfs_btree_get_numrecs(cblock), + cur->bc_private.b.whichfork); + + xfs_btree_setbuf(cur, level, cbp); + + /* + * Do all this logging at the end so that + * the root is at the right level. + */ + xfs_btree_log_block(cur, cbp, XFS_BB_ALL_BITS); + xfs_btree_log_keys(cur, cbp, 1, be16_to_cpu(cblock->bb_numrecs)); + xfs_btree_log_ptrs(cur, cbp, 1, be16_to_cpu(cblock->bb_numrecs)); + + *logflags |= + XFS_ILOG_CORE | XFS_ILOG_FBROOT(cur->bc_private.b.whichfork); + *stat = 1; + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + return 0; +error0: + XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); + return error; +} + +/* * Allocate a new root block, fill it in. */ int /* error */ diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 18015392feb0..21eec863f00f 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h @@ -548,6 +548,7 @@ int xfs_btree_rshift(struct xfs_btree_cur *, int, int *); int xfs_btree_split(struct xfs_btree_cur *, int, union xfs_btree_ptr *, union xfs_btree_key *, struct xfs_btree_cur **, int *); int xfs_btree_new_root(struct xfs_btree_cur *, int *); +int xfs_btree_new_iroot(struct xfs_btree_cur *, int *, int *); /* * Helpers. |
