diff options
| author | Lars Ellenberg | 2011-02-23 12:39:46 +0100 |
|---|---|---|
| committer | Philipp Reisner | 2011-10-14 16:48:04 +0200 |
| commit | 35abf5942427f5062e4aae90dab9edb9dda8d200 (patch) | |
| tree | 519b2d5e6b1b31fdbc09525ae7d4c2d633d34531 /drivers/block/drbd/drbd_main.c | |
| parent | drbd: only wakeup if something changed in update_peer_seq (diff) | |
| download | kernel-qcow2-linux-35abf5942427f5062e4aae90dab9edb9dda8d200.tar.gz kernel-qcow2-linux-35abf5942427f5062e4aae90dab9edb9dda8d200.tar.xz kernel-qcow2-linux-35abf5942427f5062e4aae90dab9edb9dda8d200.zip | |
drbd: add page pool to be used for meta data IO
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 12c9a704ea01..5f4c95905d5e 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -129,6 +129,7 @@ struct kmem_cache *drbd_bm_ext_cache; /* bitmap extents */ struct kmem_cache *drbd_al_ext_cache; /* activity log extents */ mempool_t *drbd_request_mempool; mempool_t *drbd_ee_mempool; +mempool_t *drbd_md_io_page_pool; /* I do not use a standard mempool, because: 1) I want to hand out the pre-allocated objects first. @@ -1952,6 +1953,8 @@ static void drbd_destroy_mempools(void) /* D_ASSERT(atomic_read(&drbd_pp_vacant)==0); */ + if (drbd_md_io_page_pool) + mempool_destroy(drbd_md_io_page_pool); if (drbd_ee_mempool) mempool_destroy(drbd_ee_mempool); if (drbd_request_mempool) @@ -1965,6 +1968,7 @@ static void drbd_destroy_mempools(void) if (drbd_al_ext_cache) kmem_cache_destroy(drbd_al_ext_cache); + drbd_md_io_page_pool = NULL; drbd_ee_mempool = NULL; drbd_request_mempool = NULL; drbd_ee_cache = NULL; @@ -1988,6 +1992,7 @@ static int drbd_create_mempools(void) drbd_bm_ext_cache = NULL; drbd_al_ext_cache = NULL; drbd_pp_pool = NULL; + drbd_md_io_page_pool = NULL; /* caches */ drbd_request_cache = kmem_cache_create( @@ -2011,6 +2016,10 @@ static int drbd_create_mempools(void) goto Enomem; /* mempools */ + drbd_md_io_page_pool = mempool_create_page_pool(DRBD_MIN_POOL_PAGES, 0); + if (drbd_md_io_page_pool == NULL) + goto Enomem; + drbd_request_mempool = mempool_create(number, mempool_alloc_slab, mempool_free_slab, drbd_request_cache); if (drbd_request_mempool == NULL) |