lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sat, 23 Mar 2019 12:13:34 -0400 From: "Theodore Ts'o" <tytso@....edu> To: "Darrick J. Wong" <darrick.wong@...cle.com> Cc: Eryu Guan <guaneryu@...il.com>, fstests <fstests@...r.kernel.org>, xfs <linux-xfs@...r.kernel.org>, linux-ext4 <linux-ext4@...r.kernel.org> Subject: Re: [PATCH] ext4: prohibit fstrim in norecovery mode On Fri, Mar 22, 2019 at 05:38:13PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@...cle.com> > > The ext4 fstrim implementation uses the block bitmaps to find free space > that can be discarded. If we haven't replayed the journal, the bitmaps > will be stale and we absolutely *cannot* use stale metadata to zap the > underlying storage. > > Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com> Thanks, applied. - Ted
Powered by blists - more mailing lists