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| author | Kent Overstreet <kmo@daterainc.com> | 2013-11-22 19:37:48 -0800 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2013-11-23 22:33:47 -0800 |
| commit | ed9c47bebeeea4a468b07cfd745c690190f8014c (patch) | |
| tree | 804f88d900daabb8612ed881b8b7e1ab88872d79 /drivers/md/bcache/super.c | |
| parent | 2c30c71bd653afcbed7f6754e8fe3d16e0e708a1 (diff) | |
| download | linux-stable-ed9c47bebeeea4a468b07cfd745c690190f8014c.tar.gz linux-stable-ed9c47bebeeea4a468b07cfd745c690190f8014c.tar.bz2 linux-stable-ed9c47bebeeea4a468b07cfd745c690190f8014c.zip | |
bcache: Kill unaligned bvec hack
Bcache has a hack to avoid cloning the biovec if it's all full pages -
but with immutable biovecs coming this won't be necessary anymore.
For now, we remove the special case and always clone the bvec array so
that the immutable biovec patches are simpler.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'drivers/md/bcache/super.c')
| -rw-r--r-- | drivers/md/bcache/super.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index dec15cd2d797..1d9ee67d14ec 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -739,8 +739,6 @@ static void bcache_device_free(struct bcache_device *d) } bio_split_pool_free(&d->bio_split_hook); - if (d->unaligned_bvec) - mempool_destroy(d->unaligned_bvec); if (d->bio_split) bioset_free(d->bio_split); if (is_vmalloc_addr(d->full_dirty_stripes)) @@ -793,8 +791,6 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size, return minor; if (!(d->bio_split = bioset_create(4, offsetof(struct bbio, bio))) || - !(d->unaligned_bvec = mempool_create_kmalloc_pool(1, - sizeof(struct bio_vec) * BIO_MAX_PAGES)) || bio_split_pool_init(&d->bio_split_hook) || !(d->disk = alloc_disk(1))) { ida_simple_remove(&bcache_minor, minor); |