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Date: Mon, 14 Aug 2017 08:31:17 -0400 From: Theodore Ts'o <tytso@....edu> To: Tahsin Erdogan <tahsin@...gle.com> Cc: Andreas Dilger <adilger@...ger.ca>, Miklos Szeredi <miklos@...redi.hu>, zhangyi <yizhang089@...il.com>, linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] ext4: add missing xattr hash update On Sun, Aug 06, 2017 at 01:03:19PM -0700, Tahsin Erdogan wrote: > When updating an extended attribute, if the padded value sizes are the > same, a shortcut is taken to avoid the bulk of the work. This was fine > until the xattr hash update was moved inside ext4_xattr_set_entry(). > With that change, the hash update got missed in the shortcut case. > > Thanks to ZhangYi (yizhang089@...il.com) for root causing the problem. > > Fixes: daf8328172df ("ext4: eliminate xattr entry e_hash recalculation for removes") > > Reported-by: Miklos Szeredi <miklos@...redi.hu> > Signed-off-by: Tahsin Erdogan <tahsin@...gle.com> Thanks, applied. - Ted
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