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 <[email protected]> --- fs/inode.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/inode.c b/fs/inode.c index 9f62db3..69b8b52 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -154,6 +154,12 @@ int inode_init_always(struct super_block *sb, struct inode *inode) inode->i_rdev = 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)) goto out; spin_lock_init(&inode->i_lock); -- 2.7.0.rc3.207.g0ac5344
