9 May
2023
9 May
'23
4:51 p.m.
On Sat, May 06 2023 at 2:29P -0400, Sarthak Kukreti sarthakkukreti@chromium.org wrote:
Only call truncate_bdev_range() if the fallocate mode is supported. This fixes a bug where data in the pagecache could be invalidated if the fallocate() was called on the block device with an invalid mode.
Fixes: 25f4c41415e5 ("block: implement (some of) fallocate for block devices") Cc: stable@vger.kernel.org Reported-by: Darrick J. Wong djwong@kernel.org Signed-off-by: Sarthak Kukreti sarthakkukreti@chromium.org
Reviewed-by: Mike Snitzer snitzer@kernel.org