On Tue, Jan 07, 2025 at 03:35:35PM +0100, Christian Brauner wrote: > On Mon, Jan 06, 2025 at 05:24:01PM +0100, Jan Kara wrote: > > Since 2002 (change "Replace BKL for chain locking with sysvfs-private > > rwlock") the sysv filesystem was doing IO under a rwlock in its > > get_block() function (yes, a non-sleepable lock hold over a function > > used to read inode metadata for all reads and writes). Nobody noticed > > until syzbot in 2023 [1]. This shows nobody is using the filesystem. > > Just drop it. > > > > [1] https://lore.kernel.org/all/0000000000000ccf9a05ee84f5b0@xxxxxxxxxx/ > > > > Signed-off-by: Jan Kara <jack@xxxxxxx> > > --- > > What do people think about this? Or should we perhaps go through a (short) > > deprecation period where we warn about removal? > > Let's try and kill it. We can always put it back if we have to. > So should any work toward converting sysv to the new mount API stop? ;) Thanks- Bill