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Btrfs: Create larger bios for btree blocks

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-02-07 10:50:54 -05:00
parent 961d023213
commit a86c12c73d
3 changed files with 17 additions and 8 deletions
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10
fs/btrfs/disk-io.c
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@@ -197,7 +197,8 @@ int csum_dirty_buffer(struct btrfs_root *root, struct page *page)
WARN_ON(1);
}
eb = alloc_extent_buffer(tree, start, len, page, GFP_NOFS);
read_extent_buffer_pages(tree, eb, start + PAGE_CACHE_SIZE, 1);
read_extent_buffer_pages(tree, eb, start + PAGE_CACHE_SIZE, 1,
btree_get_extent);
btrfs_clear_buffer_defrag(eb);
found_start = btrfs_header_bytenr(eb);
if (found_start != start) {
@@ -339,7 +340,7 @@ int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize)
if (!buf)
return 0;
read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree,
buf, 0, 0);
buf, 0, 0, btree_get_extent);
free_extent_buffer(buf);
return ret;
}
@@ -358,7 +359,8 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
buf = btrfs_find_create_tree_block(root, bytenr, blocksize);
if (!buf)
return NULL;
read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree, buf, 0, 1);
read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree, buf, 0, 1,
btree_get_extent);
if (buf->flags & EXTENT_CSUM)
return buf;
@@ -1009,7 +1011,7 @@ int btrfs_read_buffer(struct extent_buffer *buf)
struct btrfs_root *root = BTRFS_I(buf->first_page->mapping->host)->root;
struct inode *btree_inode = root->fs_info->btree_inode;
return read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree,
buf, 0, 1);
buf, 0, 1, btree_get_extent);
}
static struct extent_io_ops btree_extent_io_ops = {