diff mbox

Btrfs: do not warn_on io_ctl->cur in io_ctl_map_page

Message ID 50AEE772.7000008@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wang Sheng-Hui Nov. 23, 2012, 3:03 a.m. UTC
io_ctl_map_page is called by many functions in free-space-cache.
In most scenarios, the ->cur is not null, e.g. io_ctl_add_entry.
I think we'd better remove the warn_on here.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
---
 fs/btrfs/free-space-cache.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 1027b85..31fcf24 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -307,7 +307,6 @@  static void io_ctl_unmap_page(struct io_ctl *io_ctl)

 static void io_ctl_map_page(struct io_ctl *io_ctl, int clear)
 {
-	WARN_ON(io_ctl->cur);
 	BUG_ON(io_ctl->index >= io_ctl->num_pages);
 	io_ctl->page = io_ctl->pages[io_ctl->index++];
 	io_ctl->cur = kmap(io_ctl->page);