leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Btrfs: don't wait for the completion of all the ordered extents

Browse Source 
It is very likely that there are lots of ordered extents in the filesytem,
if we wait for the completion of all of them when we want to reclaim some
space for the metadata space reservation, we would be blocked for a long
time. The performance would drop down suddenly for a long time.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Miao Xie
2013-11-04 23:13:25 +08:00
committed by Chris Mason
parent 9f3a074d10
commit b02441999e
8 changed files with 31 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
fs/btrfs/ioctl.c
View File

@@ -572,7 +572,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
if (ret)
return ret;
btrfs_wait_ordered_extents(root);
btrfs_wait_ordered_extents(root, -1);
pending_snapshot = kzalloc(sizeof(*pending_snapshot), GFP_NOFS);
if (!pending_snapshot)