bio-integrity: Add explicit field for owner of bip_buf
This was the only real user of BIO_CLONED, which didn't have very clear semantics. Convert to its own flag so we can get rid of BIO_CLONED. Signed-off-by: Kent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Martin K. Petersen <martin.petersen@oracle.com>
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2 changed files with 3 additions and 3 deletions
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@ -97,9 +97,7 @@ void bio_integrity_free(struct bio *bio)
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struct bio_integrity_payload *bip = bio->bi_integrity;
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struct bio_set *bs = bio->bi_pool;
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/* A cloned bio doesn't own the integrity metadata */
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if (!bio_flagged(bio, BIO_CLONED) && !bio_flagged(bio, BIO_FS_INTEGRITY)
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&& bip->bip_buf != NULL)
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if (bip->bip_owns_buf)
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kfree(bip->bip_buf);
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if (bs) {
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@ -386,6 +384,7 @@ int bio_integrity_prep(struct bio *bio)
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return -EIO;
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}
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bip->bip_owns_buf = 1;
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bip->bip_buf = buf;
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bip->bip_size = len;
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bip->bip_sector = bio->bi_sector;
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@ -187,6 +187,7 @@ struct bio_integrity_payload {
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unsigned short bip_slab; /* slab the bip came from */
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unsigned short bip_vcnt; /* # of integrity bio_vecs */
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unsigned short bip_idx; /* current bip_vec index */
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unsigned bip_owns_buf:1; /* should free bip_buf */
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struct work_struct bip_work; /* I/O completion */
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