nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
authorRyusuke Konishi <konishi.ryusuke@gmail.com>
Thu, 29 Sep 2022 12:33:30 +0000 (21:33 +0900)
committerAndrew Morton <akpm@linux-foundation.org>
Wed, 12 Oct 2022 01:51:10 +0000 (18:51 -0700)
commit723ac751208f6d6540191689cfbf6c77135a7a1b
tree42195faf2d93d2e609e05de507cbf5119a258c7c
parentef79361b265dd229725ad62bc850f6913ef2f94a
nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure

If creation or finalization of a checkpoint fails due to anomalies in the
checkpoint metadata on disk, a kernel warning is generated.

This patch replaces the WARN_ONs by nilfs_error, so that a kernel, booted
with panic_on_warn, does not panic.  A nilfs_error is appropriate here to
handle the abnormal filesystem condition.

This also replaces the detected error codes with an I/O error so that
neither of the internal error codes is returned to callers.

Link: https://lkml.kernel.org/r/20220929123330.19658-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+fbb3e0b24e8dae5a16ee@syzkaller.appspotmail.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
fs/nilfs2/segment.c