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>hifive-unleashed-5.1
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@ -182,6 +182,9 @@ static int bdev_integrity_enabled(struct block_device *bdev, int rw)
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*/
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*/
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int bio_integrity_enabled(struct bio *bio)
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int bio_integrity_enabled(struct bio *bio)
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{
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{
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if (!bio_is_rw(bio))
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return 0;
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/* Already protected? */
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/* Already protected? */
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if (bio_integrity(bio))
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if (bio_integrity(bio))
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return 0;
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return 0;
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