Commit e69f18f0 authored Apr 08, 2014 by Martin K. Petersen Committed by Jens Axboe Apr 09, 2014

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 <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 0bc69973

fs/bio-integrity.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;