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Groups > linux.kernel > #1335741
| From | Tahsin Erdogan <tahsin@google.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] writeback: initialize inode members that track writeback history |
| Date | 2016-02-16 20:20 +0100 |
| Message-ID | <r2Tke-3E0-23@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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> --- 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
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[PATCH] writeback: initialize inode members that track writeback history Tahsin Erdogan <tahsin@google.com> - 2016-02-16 20:20 +0100 Re: [PATCH] writeback: initialize inode members that track writeback history Tejun Heo <tj@kernel.org> - 2016-02-16 22:20 +0100
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