forked from Minki/linux
xfs: convert directory db conversion to xfs_da_geometry
Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
parent
2998ab1d45
commit
30028030b1
@ -611,7 +611,7 @@ xfs_dir2_free_bests_p(struct xfs_dir2_free *free)
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static xfs_dir2_db_t
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xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db)
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{
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return xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET) +
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return xfs_dir2_byte_to_db(mp->m_dir_geo, XFS_DIR2_FREE_OFFSET) +
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(db / xfs_dir2_free_max_bests(mp));
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}
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@ -643,7 +643,7 @@ xfs_dir3_free_bests_p(struct xfs_dir2_free *free)
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static xfs_dir2_db_t
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xfs_dir3_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db)
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{
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return xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET) +
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return xfs_dir2_byte_to_db(mp->m_dir_geo, XFS_DIR2_FREE_OFFSET) +
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(db / xfs_dir3_free_max_bests(mp));
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}
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@ -117,9 +117,14 @@ xfs_da_mount(
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dageo->fsblog = mp->m_sb.sb_blocklog;
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dageo->blksize = 1 << dageo->blklog;
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dageo->fsbcount = 1 << mp->m_sb.sb_dirblklog;
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dageo->datablk = xfs_dir2_byte_to_da(mp, XFS_DIR2_DATA_OFFSET);
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dageo->leafblk = xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET);
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dageo->freeblk = xfs_dir2_byte_to_da(mp, XFS_DIR2_FREE_OFFSET);
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/*
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* Now we've set up the block conversion variables, we can calculate the
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* segment block constants using the geometry structure.
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*/
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dageo->datablk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_DATA_OFFSET);
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dageo->leafblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_LEAF_OFFSET);
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dageo->freeblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_FREE_OFFSET);
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dageo->node_ents = (dageo->blksize - nodehdr_size) /
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(uint)sizeof(xfs_da_node_entry_t);
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dageo->magicpct = (dageo->blksize * 37) / 100;
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@ -744,7 +749,7 @@ xfs_dir2_shrink_inode(
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/*
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* If it's not a data block, we're done.
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*/
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if (db >= xfs_dir2_byte_to_db(mp, XFS_DIR2_LEAF_OFFSET))
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if (db >= xfs_dir2_byte_to_db(args->geo, XFS_DIR2_LEAF_OFFSET))
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return 0;
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/*
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* If the block isn't the last one in the directory, we're done.
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@ -639,7 +639,8 @@ xfs_dir2_block_lookup(
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* Get the offset from the leaf entry, to point to the data.
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*/
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dep = (xfs_dir2_data_entry_t *)((char *)hdr +
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xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
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xfs_dir2_dataptr_to_off(args->geo,
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be32_to_cpu(blp[ent].address)));
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/*
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* Fill in inode number, CI name if appropriate, release the block.
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*/
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@ -723,7 +724,7 @@ xfs_dir2_block_lookup_int(
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* Get pointer to the entry from the leaf.
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*/
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dep = (xfs_dir2_data_entry_t *)
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((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr));
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((char *)hdr + xfs_dir2_dataptr_to_off(args->geo, addr));
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/*
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* Compare name and if it's an exact match, return the index
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* and buffer. If it's the first case-insensitive match, store
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@ -795,8 +796,9 @@ xfs_dir2_block_removename(
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/*
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* Point to the data entry using the leaf entry.
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*/
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dep = (xfs_dir2_data_entry_t *)
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((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
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dep = (xfs_dir2_data_entry_t *)((char *)hdr +
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xfs_dir2_dataptr_to_off(args->geo,
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be32_to_cpu(blp[ent].address)));
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/*
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* Mark the data entry's space free.
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*/
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@ -870,8 +872,9 @@ xfs_dir2_block_replace(
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/*
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* Point to the data entry we need to change.
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*/
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dep = (xfs_dir2_data_entry_t *)
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((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
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dep = (xfs_dir2_data_entry_t *)((char *)hdr +
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xfs_dir2_dataptr_to_off(args->geo,
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be32_to_cpu(blp[ent].address)));
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ASSERT(be64_to_cpu(dep->inumber) != args->inumber);
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/*
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* Change the inode number to the new value.
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@ -172,7 +172,8 @@ __xfs_dir3_data_check(
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lastfree = 0;
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if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
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hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
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addr = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
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addr = xfs_dir2_db_off_to_dataptr(mp->m_dir_geo,
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mp->m_dirdatablk,
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(xfs_dir2_data_aoff_t)
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((char *)dep - (char *)hdr));
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name.name = dep->name;
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@ -347,8 +347,8 @@ xfs_dir3_leaf_get_buf(
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int error;
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ASSERT(magic == XFS_DIR2_LEAF1_MAGIC || magic == XFS_DIR2_LEAFN_MAGIC);
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ASSERT(bno >= xfs_dir2_byte_to_db(mp, XFS_DIR2_LEAF_OFFSET) &&
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bno < xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET));
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ASSERT(bno >= xfs_dir2_byte_to_db(args->geo, XFS_DIR2_LEAF_OFFSET) &&
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bno < xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET));
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error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, bno),
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-1, &bp, XFS_DATA_FORK);
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@ -404,7 +404,7 @@ xfs_dir2_block_to_leaf(
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return error;
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}
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ldb = xfs_dir2_da_to_db(args->geo, blkno);
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ASSERT(ldb == xfs_dir2_byte_to_db(mp, XFS_DIR2_LEAF_OFFSET));
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ASSERT(ldb == xfs_dir2_byte_to_db(args->geo, XFS_DIR2_LEAF_OFFSET));
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/*
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* Initialize the leaf block, get a buffer for it.
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*/
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@ -670,7 +670,7 @@ xfs_dir2_leaf_addname(
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index++, lep++) {
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if (be32_to_cpu(lep->address) == XFS_DIR2_NULL_DATAPTR)
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continue;
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i = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
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i = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
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ASSERT(i < be32_to_cpu(ltp->bestcount));
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ASSERT(bestsp[i] != cpu_to_be16(NULLDATAOFF));
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if (be16_to_cpu(bestsp[i]) >= length) {
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@ -889,7 +889,8 @@ xfs_dir2_leaf_addname(
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* Fill in the new leaf entry.
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*/
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lep->hashval = cpu_to_be32(args->hashval);
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lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(mp, use_block,
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lep->address = cpu_to_be32(
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xfs_dir2_db_off_to_dataptr(args->geo, use_block,
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be16_to_cpu(*tagp)));
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/*
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* Log the leaf fields and give up the buffers.
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@ -1185,7 +1186,7 @@ xfs_dir2_leaf_lookup(
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*/
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dep = (xfs_dir2_data_entry_t *)
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((char *)dbp->b_addr +
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xfs_dir2_dataptr_to_off(dp->i_mount, be32_to_cpu(lep->address)));
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xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
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/*
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* Return the found inode number & CI name if appropriate
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*/
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@ -1260,7 +1261,8 @@ xfs_dir2_leaf_lookup_int(
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/*
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* Get the new data block number.
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*/
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newdb = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
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newdb = xfs_dir2_dataptr_to_db(args->geo,
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be32_to_cpu(lep->address));
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/*
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* If it's not the same as the old data block number,
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* need to pitch the old one and read the new one.
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@ -1281,7 +1283,8 @@ xfs_dir2_leaf_lookup_int(
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* Point to the data entry.
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*/
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dep = (xfs_dir2_data_entry_t *)((char *)dbp->b_addr +
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xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
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xfs_dir2_dataptr_to_off(args->geo,
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be32_to_cpu(lep->address)));
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/*
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* Compare name and if it's an exact match, return the index
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* and buffer. If it's the first case-insensitive match, store
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@ -1380,9 +1383,9 @@ xfs_dir2_leaf_removename(
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* Point to the leaf entry, use that to point to the data entry.
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*/
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lep = &ents[index];
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db = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
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dep = (xfs_dir2_data_entry_t *)
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((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
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db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
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dep = (xfs_dir2_data_entry_t *)((char *)hdr +
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xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
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needscan = needlog = 0;
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oldbest = be16_to_cpu(bf[0].length);
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ltp = xfs_dir2_leaf_tail_p(mp, leaf);
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@ -1515,7 +1518,7 @@ xfs_dir2_leaf_replace(
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*/
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dep = (xfs_dir2_data_entry_t *)
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((char *)dbp->b_addr +
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xfs_dir2_dataptr_to_off(dp->i_mount, be32_to_cpu(lep->address)));
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xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
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ASSERT(args->inumber != be64_to_cpu(dep->inumber));
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/*
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* Put the new inode number in, log it.
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@ -1800,7 +1803,8 @@ xfs_dir2_node_to_leaf(
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* Get rid of the freespace block.
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*/
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error = xfs_dir2_shrink_inode(args,
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xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET), fbp);
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xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET),
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fbp);
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if (error) {
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/*
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* This can't fail here because it can only happen when
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@ -316,7 +316,7 @@ xfs_dir2_leaf_to_node(
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if ((error = xfs_dir2_grow_inode(args, XFS_DIR2_FREE_SPACE, &fdb))) {
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return error;
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}
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ASSERT(fdb == xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET));
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ASSERT(fdb == xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET));
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/*
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* Get the buffer for the new freespace block.
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*/
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@ -451,7 +451,7 @@ xfs_dir2_leafn_add(
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highstale, &lfloglow, &lfloghigh);
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lep->hashval = cpu_to_be32(args->hashval);
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lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(mp,
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lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(args->geo,
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args->blkno, args->index));
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dp->d_ops->leaf_hdr_to_disk(leaf, &leafhdr);
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@ -577,7 +577,8 @@ xfs_dir2_leafn_lookup_for_addname(
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/*
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* Pull the data block number from the entry.
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*/
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newdb = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
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newdb = xfs_dir2_dataptr_to_db(args->geo,
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be32_to_cpu(lep->address));
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/*
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* For addname, we're looking for a place to put the new entry.
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* We want to use a data block with an entry of equal
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@ -723,7 +724,8 @@ xfs_dir2_leafn_lookup_for_entry(
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/*
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* Pull the data block number from the entry.
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*/
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newdb = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
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newdb = xfs_dir2_dataptr_to_db(args->geo,
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be32_to_cpu(lep->address));
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/*
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* Not adding a new entry, so we really want to find
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* the name given to us.
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@ -761,7 +763,8 @@ xfs_dir2_leafn_lookup_for_entry(
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* Point to the data entry.
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*/
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dep = (xfs_dir2_data_entry_t *)((char *)curbp->b_addr +
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xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
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xfs_dir2_dataptr_to_off(args->geo,
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be32_to_cpu(lep->address)));
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/*
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* Compare the entry and if it's an exact match, return
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* EEXIST immediately. If it's the first case-insensitive
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@ -1196,9 +1199,9 @@ xfs_dir2_leafn_remove(
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/*
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* Extract the data block and offset from the entry.
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*/
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db = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
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db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
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ASSERT(dblk->blkno == db);
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off = xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address));
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off = xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address));
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ASSERT(dblk->index == off);
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/*
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@ -1260,7 +1263,8 @@ xfs_dir2_leafn_remove(
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struct xfs_dir3_icfree_hdr freehdr;
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dp->d_ops->free_hdr_from_disk(&freehdr, free);
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ASSERT(freehdr.firstdb == dp->d_ops->free_max_bests(mp) *
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(fdb - xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET)));
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(fdb - xfs_dir2_byte_to_db(args->geo,
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XFS_DIR2_FREE_OFFSET)));
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}
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#endif
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/*
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@ -1751,7 +1755,7 @@ xfs_dir2_node_addname_int(
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* us a freespace block to start with.
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*/
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if (++fbno == 0)
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fbno = xfs_dir2_byte_to_db(mp,
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fbno = xfs_dir2_byte_to_db(args->geo,
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XFS_DIR2_FREE_OFFSET);
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/*
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* If it's ifbno we already looked at it.
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@ -1893,7 +1897,7 @@ xfs_dir2_node_addname_int(
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* Remember the first slot as our empty slot.
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*/
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freehdr.firstdb =
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(fbno - xfs_dir2_byte_to_db(mp,
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(fbno - xfs_dir2_byte_to_db(args->geo,
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XFS_DIR2_FREE_OFFSET)) *
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dp->d_ops->free_max_bests(mp);
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} else {
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@ -2194,7 +2198,8 @@ xfs_dir2_node_replace(
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hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
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dep = (xfs_dir2_data_entry_t *)
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((char *)hdr +
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xfs_dir2_dataptr_to_off(state->mp, be32_to_cpu(lep->address)));
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xfs_dir2_dataptr_to_off(args->geo,
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be32_to_cpu(lep->address)));
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ASSERT(inum != be64_to_cpu(dep->inumber));
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/*
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* Fill in the new inode number and log the entry.
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@ -48,19 +48,18 @@ xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
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* Convert byte in space to (DB) block
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by)
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xfs_dir2_byte_to_db(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
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{
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return (xfs_dir2_db_t)
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(by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog));
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return (xfs_dir2_db_t)(by >> geo->blklog);
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}
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/*
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* Convert dataptr to a block number
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*/
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static inline xfs_dir2_db_t
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xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
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xfs_dir2_dataptr_to_db(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp)
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{
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return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp));
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return xfs_dir2_byte_to_db(geo, xfs_dir2_dataptr_to_byte(dp));
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}
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/*
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@ -76,9 +75,9 @@ xfs_dir2_byte_to_off(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
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* Convert dataptr to a byte offset in a block
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*/
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static inline xfs_dir2_data_aoff_t
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xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
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xfs_dir2_dataptr_to_off(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp)
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{
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return xfs_dir2_byte_to_off(mp->m_dir_geo, xfs_dir2_dataptr_to_byte(dp));
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return xfs_dir2_byte_to_off(geo, xfs_dir2_dataptr_to_byte(dp));
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}
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/*
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@ -104,20 +103,19 @@ xfs_dir2_db_to_da(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
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* Convert byte in space to (DA) block
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*/
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static inline xfs_dablk_t
|
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xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by)
|
||||
xfs_dir2_byte_to_da(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
|
||||
{
|
||||
return xfs_dir2_db_to_da(mp->m_dir_geo, xfs_dir2_byte_to_db(mp, by));
|
||||
return xfs_dir2_db_to_da(geo, xfs_dir2_byte_to_db(geo, by));
|
||||
}
|
||||
|
||||
/*
|
||||
* Convert block and offset to dataptr
|
||||
*/
|
||||
static inline xfs_dir2_dataptr_t
|
||||
xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
|
||||
xfs_dir2_db_off_to_dataptr(struct xfs_da_geometry *geo, xfs_dir2_db_t db,
|
||||
xfs_dir2_data_aoff_t o)
|
||||
{
|
||||
return xfs_dir2_byte_to_dataptr(
|
||||
xfs_dir2_db_off_to_byte(mp->m_dir_geo, db, o));
|
||||
return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(geo, db, o));
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -87,8 +87,10 @@ xfs_dir2_sf_getdents(
|
||||
xfs_dir2_dataptr_t dot_offset;
|
||||
xfs_dir2_dataptr_t dotdot_offset;
|
||||
xfs_ino_t ino;
|
||||
struct xfs_da_geometry *geo;
|
||||
|
||||
mp = dp->i_mount;
|
||||
geo = mp->m_dir_geo;
|
||||
|
||||
ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
|
||||
/*
|
||||
@ -109,7 +111,7 @@ xfs_dir2_sf_getdents(
|
||||
/*
|
||||
* If the block number in the offset is out of range, we're done.
|
||||
*/
|
||||
if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
|
||||
if (xfs_dir2_dataptr_to_db(geo, ctx->pos) > mp->m_dirdatablk)
|
||||
return 0;
|
||||
|
||||
/*
|
||||
@ -118,9 +120,9 @@ xfs_dir2_sf_getdents(
|
||||
* XXX(hch): the second argument is sometimes 0 and sometimes
|
||||
* mp->m_dirdatablk.
|
||||
*/
|
||||
dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
|
||||
dot_offset = xfs_dir2_db_off_to_dataptr(geo, mp->m_dirdatablk,
|
||||
dp->d_ops->data_dot_offset);
|
||||
dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
|
||||
dotdot_offset = xfs_dir2_db_off_to_dataptr(geo, mp->m_dirdatablk,
|
||||
dp->d_ops->data_dotdot_offset);
|
||||
|
||||
/*
|
||||
@ -149,7 +151,7 @@ xfs_dir2_sf_getdents(
|
||||
for (i = 0; i < sfp->count; i++) {
|
||||
__uint8_t filetype;
|
||||
|
||||
off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
|
||||
off = xfs_dir2_db_off_to_dataptr(geo, mp->m_dirdatablk,
|
||||
xfs_dir2_sf_get_offset(sfep));
|
||||
|
||||
if (ctx->pos > off) {
|
||||
@ -166,7 +168,7 @@ xfs_dir2_sf_getdents(
|
||||
sfep = dp->d_ops->sf_nextentry(sfp, sfep);
|
||||
}
|
||||
|
||||
ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
|
||||
ctx->pos = xfs_dir2_db_off_to_dataptr(geo, mp->m_dirdatablk + 1, 0) &
|
||||
0x7fffffff;
|
||||
return 0;
|
||||
}
|
||||
@ -190,12 +192,14 @@ xfs_dir2_block_getdents(
|
||||
char *ptr; /* current data entry */
|
||||
int wantoff; /* starting block offset */
|
||||
xfs_off_t cook;
|
||||
struct xfs_da_geometry *geo;
|
||||
|
||||
mp = dp->i_mount;
|
||||
geo = mp->m_dir_geo;
|
||||
/*
|
||||
* If the block number in the offset is out of range, we're done.
|
||||
*/
|
||||
if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
|
||||
if (xfs_dir2_dataptr_to_db(geo, ctx->pos) > mp->m_dirdatablk)
|
||||
return 0;
|
||||
|
||||
error = xfs_dir3_block_read(NULL, dp, &bp);
|
||||
@ -206,7 +210,7 @@ xfs_dir2_block_getdents(
|
||||
* Extract the byte offset we start at from the seek pointer.
|
||||
* We'll skip entries before this.
|
||||
*/
|
||||
wantoff = xfs_dir2_dataptr_to_off(mp, ctx->pos);
|
||||
wantoff = xfs_dir2_dataptr_to_off(geo, ctx->pos);
|
||||
hdr = bp->b_addr;
|
||||
xfs_dir3_data_check(dp, bp);
|
||||
/*
|
||||
@ -244,7 +248,7 @@ xfs_dir2_block_getdents(
|
||||
if ((char *)dep - (char *)hdr < wantoff)
|
||||
continue;
|
||||
|
||||
cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
|
||||
cook = xfs_dir2_db_off_to_dataptr(geo, mp->m_dirdatablk,
|
||||
(char *)dep - (char *)hdr);
|
||||
|
||||
ctx->pos = cook & 0x7fffffff;
|
||||
@ -264,7 +268,7 @@ xfs_dir2_block_getdents(
|
||||
* Reached the end of the block.
|
||||
* Set the offset to a non-existent block 1 and return.
|
||||
*/
|
||||
ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
|
||||
ctx->pos = xfs_dir2_db_off_to_dataptr(geo, mp->m_dirdatablk + 1, 0) &
|
||||
0x7fffffff;
|
||||
xfs_trans_brelse(NULL, bp);
|
||||
return 0;
|
||||
@ -300,6 +304,7 @@ xfs_dir2_leaf_readbuf(
|
||||
int length;
|
||||
int i;
|
||||
int j;
|
||||
struct xfs_da_geometry *geo = mp->m_dir_geo;
|
||||
|
||||
/*
|
||||
* If we have a buffer, we need to release it and
|
||||
@ -342,14 +347,14 @@ xfs_dir2_leaf_readbuf(
|
||||
* run out of data blocks, get some more mappings.
|
||||
*/
|
||||
if (1 + mip->ra_want > mip->map_blocks &&
|
||||
mip->map_off < xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET)) {
|
||||
mip->map_off < xfs_dir2_byte_to_da(geo, XFS_DIR2_LEAF_OFFSET)) {
|
||||
/*
|
||||
* Get more bmaps, fill in after the ones
|
||||
* we already have in the table.
|
||||
*/
|
||||
mip->nmap = mip->map_size - mip->map_valid;
|
||||
error = xfs_bmapi_read(dp, mip->map_off,
|
||||
xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET) -
|
||||
xfs_dir2_byte_to_da(geo, XFS_DIR2_LEAF_OFFSET) -
|
||||
mip->map_off,
|
||||
&map[mip->map_valid], &mip->nmap, 0);
|
||||
|
||||
@ -370,7 +375,7 @@ xfs_dir2_leaf_readbuf(
|
||||
i = mip->map_valid + mip->nmap - 1;
|
||||
mip->map_off = map[i].br_startoff + map[i].br_blockcount;
|
||||
} else
|
||||
mip->map_off = xfs_dir2_byte_to_da(mp,
|
||||
mip->map_off = xfs_dir2_byte_to_da(geo,
|
||||
XFS_DIR2_LEAF_OFFSET);
|
||||
|
||||
/*
|
||||
@ -396,14 +401,14 @@ xfs_dir2_leaf_readbuf(
|
||||
* No valid mappings, so no more data blocks.
|
||||
*/
|
||||
if (!mip->map_valid) {
|
||||
*curoff = xfs_dir2_da_to_byte(mp->m_dir_geo, mip->map_off);
|
||||
*curoff = xfs_dir2_da_to_byte(geo, mip->map_off);
|
||||
goto out;
|
||||
}
|
||||
|
||||
/*
|
||||
* Read the directory block starting at the first mapping.
|
||||
*/
|
||||
mip->curdb = xfs_dir2_da_to_db(mp->m_dir_geo, map->br_startoff);
|
||||
mip->curdb = xfs_dir2_da_to_db(geo, map->br_startoff);
|
||||
error = xfs_dir3_data_read(NULL, dp, map->br_startoff,
|
||||
map->br_blockcount >= mp->m_dirblkfsbs ?
|
||||
XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1, &bp);
|
||||
@ -504,6 +509,7 @@ xfs_dir2_leaf_getdents(
|
||||
xfs_dir2_off_t newoff; /* new curoff after new blk */
|
||||
char *ptr = NULL; /* pointer to current data */
|
||||
struct xfs_dir2_leaf_map_info *map_info;
|
||||
struct xfs_da_geometry *geo;
|
||||
|
||||
/*
|
||||
* If the offset is at or past the largest allowed value,
|
||||
@ -513,6 +519,7 @@ xfs_dir2_leaf_getdents(
|
||||
return 0;
|
||||
|
||||
mp = dp->i_mount;
|
||||
geo = mp->m_dir_geo;
|
||||
|
||||
/*
|
||||
* Set up to bmap a number of blocks based on the caller's
|
||||
@ -536,8 +543,8 @@ xfs_dir2_leaf_getdents(
|
||||
* Force this conversion through db so we truncate the offset
|
||||
* down to get the start of the data block.
|
||||
*/
|
||||
map_info->map_off = xfs_dir2_db_to_da(mp->m_dir_geo,
|
||||
xfs_dir2_byte_to_db(mp, curoff));
|
||||
map_info->map_off = xfs_dir2_db_to_da(geo,
|
||||
xfs_dir2_byte_to_db(geo, curoff));
|
||||
|
||||
/*
|
||||
* Loop over directory entries until we reach the end offset.
|
||||
@ -571,7 +578,7 @@ xfs_dir2_leaf_getdents(
|
||||
* Make sure we're in the right block.
|
||||
*/
|
||||
else if (curoff > newoff)
|
||||
ASSERT(xfs_dir2_byte_to_db(mp, curoff) ==
|
||||
ASSERT(xfs_dir2_byte_to_db(geo, curoff) ==
|
||||
map_info->curdb);
|
||||
hdr = bp->b_addr;
|
||||
xfs_dir3_data_check(dp, bp);
|
||||
@ -608,8 +615,8 @@ xfs_dir2_leaf_getdents(
|
||||
* Now set our real offset.
|
||||
*/
|
||||
curoff =
|
||||
xfs_dir2_db_off_to_byte(mp->m_dir_geo,
|
||||
xfs_dir2_byte_to_db(mp, curoff),
|
||||
xfs_dir2_db_off_to_byte(geo,
|
||||
xfs_dir2_byte_to_db(geo, curoff),
|
||||
(char *)ptr - (char *)hdr);
|
||||
if (ptr >= (char *)hdr + mp->m_dirblksize) {
|
||||
continue;
|
||||
|
@ -104,8 +104,8 @@ xfs_dir2_block_sfsize(
|
||||
/*
|
||||
* Calculate the pointer to the entry at hand.
|
||||
*/
|
||||
dep = (xfs_dir2_data_entry_t *)
|
||||
((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr));
|
||||
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
|
||||
xfs_dir2_dataptr_to_off(mp->m_dir_geo, addr));
|
||||
/*
|
||||
* Detect . and .., so we can special-case them.
|
||||
* . is not included in sf directories.
|
||||
|
Loading…
Reference in New Issue
Block a user