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authorSami Tolvanen <samitolvanen@google.com>2015-06-29 14:14:00 +0100
committerMike Snitzer <snitzer@redhat.com>2015-08-12 11:32:20 -0400
commit4fb9aa5abdb791defedb3a5ce254ad193e82d77b (patch)
treed817e3665b256d96cb681da1d8e79d07089c45a0 /drivers
parente44b6a5a3c711c1ada4cf7135bf9dbf860caffd2 (diff)
downloadlinux-4fb9aa5abdb791defedb3a5ce254ad193e82d77b.tar.bz2
dm verity: remove unused mempool
Since commit 003b5c571 ("block: Convert drivers to immutable biovecs"), vec_mempool in struct dm_verity is no longer used. Remove it and related definitions. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm-verity.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/md/dm-verity.c b/drivers/md/dm-verity.c
index bb9c6a00e4b0..3adb3323b8c3 100644
--- a/drivers/md/dm-verity.c
+++ b/drivers/md/dm-verity.c
@@ -26,8 +26,6 @@
#define DM_VERITY_ENV_LENGTH 42
#define DM_VERITY_ENV_VAR_NAME "DM_VERITY_ERR_BLOCK_NR"
-#define DM_VERITY_IO_VEC_INLINE 16
-#define DM_VERITY_MEMPOOL_SIZE 4
#define DM_VERITY_DEFAULT_PREFETCH_SIZE 262144
#define DM_VERITY_MAX_LEVELS 63
@@ -76,8 +74,6 @@ struct dm_verity {
enum verity_mode mode; /* mode for handling verification errors */
unsigned corrupted_errs;/* Number of errors for corrupted blocks */
- mempool_t *vec_mempool; /* mempool of bio vector */
-
struct workqueue_struct *verify_wq;
/* starting blocks for each tree level. 0 is the lowest level. */
@@ -691,9 +687,6 @@ static void verity_dtr(struct dm_target *ti)
if (v->verify_wq)
destroy_workqueue(v->verify_wq);
- if (v->vec_mempool)
- mempool_destroy(v->vec_mempool);
-
if (v->bufio)
dm_bufio_client_destroy(v->bufio);
@@ -962,14 +955,6 @@ static int verity_ctr(struct dm_target *ti, unsigned argc, char **argv)
ti->per_bio_data_size = roundup(sizeof(struct dm_verity_io) + v->shash_descsize + v->digest_size * 2, __alignof__(struct dm_verity_io));
- v->vec_mempool = mempool_create_kmalloc_pool(DM_VERITY_MEMPOOL_SIZE,
- BIO_MAX_PAGES * sizeof(struct bio_vec));
- if (!v->vec_mempool) {
- ti->error = "Cannot allocate vector mempool";
- r = -ENOMEM;
- goto bad;
- }
-
/* WQ_UNBOUND greatly improves performance when running on ramdisk */
v->verify_wq = alloc_workqueue("kverityd", WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND, num_online_cpus());
if (!v->verify_wq) {