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authorLinus Torvalds <torvalds@linux-foundation.org>2013-03-01 01:21:44 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-03-01 01:21:44 +0400
commitde1a2262b006220dae2561a299a6ea128c46f4fe (patch)
tree0df7b3686f09a77a000fb63a333237facad3482c /fs/ext4
parentf042fea0da78d9dc077a9c736b33b60eb8f35195 (diff)
parented84825b785ceb932af7dd5aa08614801721320b (diff)
downloadlinux-de1a2262b006220dae2561a299a6ea128c46f4fe.tar.xz
Merge tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
Pull writeback fixes from Wu Fengguang: "Two writeback fixes - fix negative (setpoint - dirty) in 32bit archs - use down_read_trylock() in writeback_inodes_sb(_nr)_if_idle()" * tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: Negative (setpoint-dirty) in bdi_position_ratio() vfs: re-implement writeback_inodes_sb(_nr)_if_idle() and rename them
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/inode.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9c4f4b1c97f8..9ea0cde3fa9e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2512,12 +2512,8 @@ static int ext4_nonda_switch(struct super_block *sb)
/*
* Start pushing delalloc when 1/2 of free blocks are dirty.
*/
- if (dirty_blocks && (free_blocks < 2 * dirty_blocks) &&
- !writeback_in_progress(sb->s_bdi) &&
- down_read_trylock(&sb->s_umount)) {
- writeback_inodes_sb(sb, WB_REASON_FS_FREE_SPACE);
- up_read(&sb->s_umount);
- }
+ if (dirty_blocks && (free_blocks < 2 * dirty_blocks))
+ try_to_writeback_inodes_sb(sb, WB_REASON_FS_FREE_SPACE);
if (2 * free_blocks < 3 * dirty_blocks ||
free_blocks < (dirty_blocks + EXT4_FREECLUSTERS_WATERMARK)) {