From 35d62a942db5ae03104929fe7397835b572c4bc4 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 30 Sep 2009 16:47:08 -0400 Subject: [PATCH] Btrfs: fix arguments to btrfs_wait_on_page_writeback_range wait_on_page_writeback_range/btrfs_wait_on_page_writeback_range takes a pagecache offset, not a byte offset into the file. Shift the arguments around to wait for the correct range Signed-off-by: Christoph Hellwig Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index ece8d1e26b5e..69dce50aabd2 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -829,7 +829,9 @@ int btrfs_write_tree_block(struct extent_buffer *buf) int btrfs_wait_tree_block_writeback(struct extent_buffer *buf) { return btrfs_wait_on_page_writeback_range(buf->first_page->mapping, - buf->start, buf->start + buf->len - 1); + buf->start >> PAGE_CACHE_SHIFT, + (buf->start + buf->len - 1) >> + PAGE_CACHE_SHIFT); } struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, -- 2.34.1