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? The sooner we delete filesystems, the fewer syzbot bugs we get about them. Let's delete as many as we can.
