Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-26 12:52:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

writeback: initialize inode members that track writeback history

Browse Source 
inode struct members that track cgroup writeback information
should be reinitialized when inode gets allocated from
kmem_cache. Otherwise, their values remain and get used by the
new inode.

Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
Fixes: d10c809552 ("writeback: implement foreign cgroup inode bdi_writeback switching")
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Tahsin Erdogan 2016-02-16 13:34:39 -08:00 committed by Jens Axboe
parent 5ff8eaac16
commit 3d65ae4634
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/inode.c
View File

@ -154,6 +154,12 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
inode->i_rdev = 0; inode->i_rdev = 0;
inode->dirtied_when = 0; inode->dirtied_when = 0;
#ifdef CONFIG_CGROUP_WRITEBACK
inode->i_wb_frn_winner = 0;
inode->i_wb_frn_avg_time = 0;
inode->i_wb_frn_history = 0;
#endif
if (security_inode_alloc(inode)) if (security_inode_alloc(inode))
goto out; goto out;
spin_lock_init(&inode->i_lock); spin_lock_init(&inode->i_lock);