diff options
| author | Kent Overstreet <koverstreet@google.com> | 2012-09-04 09:54:22 -0700 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-03-23 14:26:34 -0700 |
| commit | 29ed7813ce5c4661261aeebddb1b8660e0860223 (patch) | |
| tree | aac13437701b575cb1f9ad2aa87a7523af1f7c07 | |
| parent | a38352e0ac02dbbd4fa464dc22d1352b5fbd06fd (diff) | |
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>
| -rw-r--r-- | fs/bio-integrity.c | 5 | ||||
| -rw-r--r-- | include/linux/bio.h | 1 |
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index ca7b02dbf09..8fb42916d8a 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -97,9 +97,7 @@ void bio_integrity_free(struct bio *bio) struct bio_integrity_payload *bip = bio->bi_integrity; struct bio_set *bs = bio->bi_pool; - /* A cloned bio doesn't own the integrity metadata */ - if (!bio_flagged(bio, BIO_CLONED) && !bio_flagged(bio, BIO_FS_INTEGRITY) - && bip->bip_buf != NULL) + if (bip->bip_owns_buf) kfree(bip->bip_buf); if (bs) { @@ -386,6 +384,7 @@ int bio_integrity_prep(struct bio *bio) return -EIO; } + bip->bip_owns_buf = 1; bip->bip_buf = buf; bip->bip_size = len; bip->bip_sector = bio->bi_sector; diff --git a/include/linux/bio.h b/include/linux/bio.h index 794bcd0c503..ef24466d8f8 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -187,6 +187,7 @@ struct bio_integrity_payload { unsigned short bip_slab; /* slab the bip came from */ unsigned short bip_vcnt; /* # of integrity bio_vecs */ unsigned short bip_idx; /* current bip_vec index */ + unsigned bip_owns_buf:1; /* should free bip_buf */ struct work_struct bip_work; /* I/O completion */ |