From e69f18f06b97ed29645d020500222bfcec2b42b2 Mon Sep 17 00:00:00 2001 From: Martin K. Petersen Date: Tue, 8 Apr 2014 22:59:31 -0400 Subject: block: Ensure we only enable integrity metadata for reads and writes We'd occasionally attempt to generate protection information for flushes and other requests with a zero payload. Make sure we only attempt to enable integrity for reads and writes. Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- fs/bio-integrity.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs') diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index b355b98dbf1b..1c2ce0c87711 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -182,6 +182,9 @@ static int bdev_integrity_enabled(struct block_device *bdev, int rw) */ int bio_integrity_enabled(struct bio *bio) { + if (!bio_is_rw(bio)) + return 0; + /* Already protected? */ if (bio_integrity(bio)) return 0; -- cgit v1.2.3