Commit 07140125 authored by Wang Sheng-Hui's avatar Wang Sheng-Hui Committed by Chris Mason

Btrfs: do not warn_on io_ctl->cur in io_ctl_map_page

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: default avatarWang Sheng-Hui <shhuiw@gmail.com>
Signed-off-by: default avatarChris Mason <chris.mason@fusionio.com>
parent 3f6bcfbd
...@@ -307,7 +307,6 @@ static void io_ctl_unmap_page(struct io_ctl *io_ctl) ...@@ -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) 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); BUG_ON(io_ctl->index >= io_ctl->num_pages);
io_ctl->page = io_ctl->pages[io_ctl->index++]; io_ctl->page = io_ctl->pages[io_ctl->index++];
io_ctl->cur = kmap(io_ctl->page); io_ctl->cur = kmap(io_ctl->page);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment