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writeback: initialize inode members that track writeback history
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:
parent
5ff8eaac16
commit
3d65ae4634
@ -154,6 +154,12 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
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inode->i_rdev = 0;
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inode->dirtied_when = 0;
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#ifdef CONFIG_CGROUP_WRITEBACK
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inode->i_wb_frn_winner = 0;
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inode->i_wb_frn_avg_time = 0;
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inode->i_wb_frn_history = 0;
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#endif
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if (security_inode_alloc(inode))
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goto out;
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spin_lock_init(&inode->i_lock);
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