redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Btrfs: only flush down bios for writeback pages 

The btrfs write_cache_pages call has a flush function so that it submits
the bio it has been building before it waits on any writeback pages.

This adds a check so that flush only happens on writeback pages.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
hifive-unleashed-5.1
Chris Mason 2008-11-20 10:46:35 -05:00
parent 43dd729b86
commit 0e6bd956ed
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/btrfs/extent_io.c
View File

@ -2462,7 +2462,8 @@ retry:
}
if (wbc->sync_mode != WB_SYNC_NONE) {
flush_fn(data);
if (PageWriteback(page))
flush_fn(data);
wait_on_page_writeback(page);
}