diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-04-06 08:12:27 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-17 19:30:41 -0600 |
| commit | 066ff571011d8416e903d3d4f1f41e0b5eb91e1d (patch) | |
| tree | 749f3f28b12204c02e223ec27318d5a231eede0f /drivers/md/raid10.c | |
| parent | 7655db80932d95f501a0811544d9520ec720e38d (diff) | |
block: turn bio_kmalloc into a simple kmalloc wrapper
Remove the magic autofree semantics and require the callers to explicitly
call bio_init to initialize the bio.
This allows bio_free to catch accidental bio_put calls on bio_init()ed
bios as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Coly Li <colyli@suse.de>
Acked-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20220406061228.410163-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index dfe7d62d3fbd..ee2438c0e55e 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -145,15 +145,17 @@ static void * r10buf_pool_alloc(gfp_t gfp_flags, void *data) * Allocate bios. */ for (j = nalloc ; j-- ; ) { - bio = bio_kmalloc(gfp_flags, RESYNC_PAGES); + bio = bio_kmalloc(RESYNC_PAGES, gfp_flags); if (!bio) goto out_free_bio; + bio_init(bio, NULL, bio->bi_inline_vecs, RESYNC_PAGES, 0); r10_bio->devs[j].bio = bio; if (!conf->have_replacement) continue; - bio = bio_kmalloc(gfp_flags, RESYNC_PAGES); + bio = bio_kmalloc(RESYNC_PAGES, gfp_flags); if (!bio) goto out_free_bio; + bio_init(bio, NULL, bio->bi_inline_vecs, RESYNC_PAGES, 0); r10_bio->devs[j].repl_bio = bio; } /* @@ -197,9 +199,11 @@ out_free_pages: out_free_bio: for ( ; j < nalloc; j++) { if (r10_bio->devs[j].bio) - bio_put(r10_bio->devs[j].bio); + bio_uninit(r10_bio->devs[j].bio); + kfree(r10_bio->devs[j].bio); if (r10_bio->devs[j].repl_bio) - bio_put(r10_bio->devs[j].repl_bio); + bio_uninit(r10_bio->devs[j].repl_bio); + kfree(r10_bio->devs[j].repl_bio); } kfree(rps); out_free_r10bio: @@ -220,12 +224,15 @@ static void r10buf_pool_free(void *__r10_bio, void *data) if (bio) { rp = get_resync_pages(bio); resync_free_pages(rp); - bio_put(bio); + bio_uninit(bio); + kfree(bio); } bio = r10bio->devs[j].repl_bio; - if (bio) - bio_put(bio); + if (bio) { + bio_uninit(bio); + kfree(bio); + } } /* resync pages array stored in the 1st bio's .bi_private */ |