From 09e71a326341f40111400c88aaf0498ef622824b Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 15 Oct 2007 16:17:04 -0400 Subject: Btrfs: Use an array of pages in the extent buffers to reduce the cost of find_get_page Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'fs/btrfs/disk-io.c') diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index fad9298c6962..0636f79672e9 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -647,20 +647,20 @@ int close_ctree(struct btrfs_root *root) int btrfs_buffer_uptodate(struct extent_buffer *buf) { - struct inode *btree_inode = buf->first_page->mapping->host; + struct inode *btree_inode = buf->pages[0]->mapping->host; return extent_buffer_uptodate(&BTRFS_I(btree_inode)->extent_tree, buf); } int btrfs_set_buffer_uptodate(struct extent_buffer *buf) { - struct inode *btree_inode = buf->first_page->mapping->host; + struct inode *btree_inode = buf->pages[0]->mapping->host; return set_extent_buffer_uptodate(&BTRFS_I(btree_inode)->extent_tree, buf); } void btrfs_mark_buffer_dirty(struct extent_buffer *buf) { - struct btrfs_root *root = BTRFS_I(buf->first_page->mapping->host)->root; + struct btrfs_root *root = BTRFS_I(buf->pages[0]->mapping->host)->root; u64 transid = btrfs_header_generation(buf); struct inode *btree_inode = root->fs_info->btree_inode; -- cgit v1.2.2