#include "nvmet.h"
+struct kmem_cache *nvmet_bvec_cache;
struct workqueue_struct *buffered_io_wq;
struct workqueue_struct *zbd_wq;
static const struct nvmet_fabrics_ops *nvmet_transports[NVMF_TRTYPE_MAX];
static int __init nvmet_init(void)
{
- int error;
+ int error = -ENOMEM;
nvmet_ana_group_enabled[NVMET_DEFAULT_ANA_GRPID] = 1;
+ nvmet_bvec_cache = kmem_cache_create("nvmet-bvec",
+ NVMET_MAX_MPOOL_BVEC * sizeof(struct bio_vec), 0,
+ SLAB_HWCACHE_ALIGN, NULL);
+ if (!nvmet_bvec_cache)
+ return -ENOMEM;
+
zbd_wq = alloc_workqueue("nvmet-zbd-wq", WQ_MEM_RECLAIM, 0);
if (!zbd_wq)
- return -ENOMEM;
+ goto out_destroy_bvec_cache;
buffered_io_wq = alloc_workqueue("nvmet-buffered-io-wq",
WQ_MEM_RECLAIM, 0);
- if (!buffered_io_wq) {
- error = -ENOMEM;
+ if (!buffered_io_wq)
goto out_free_zbd_work_queue;
- }
nvmet_wq = alloc_workqueue("nvmet-wq", WQ_MEM_RECLAIM, 0);
- if (!nvmet_wq) {
- error = -ENOMEM;
+ if (!nvmet_wq)
goto out_free_buffered_work_queue;
- }
error = nvmet_init_discovery();
if (error)
destroy_workqueue(buffered_io_wq);
out_free_zbd_work_queue:
destroy_workqueue(zbd_wq);
+out_destroy_bvec_cache:
+ kmem_cache_destroy(nvmet_bvec_cache);
return error;
}
destroy_workqueue(nvmet_wq);
destroy_workqueue(buffered_io_wq);
destroy_workqueue(zbd_wq);
+ kmem_cache_destroy(nvmet_bvec_cache);
BUILD_BUG_ON(sizeof(struct nvmf_disc_rsp_page_entry) != 1024);
BUILD_BUG_ON(sizeof(struct nvmf_disc_rsp_page_hdr) != 1024);
#include <linux/fs.h>
#include "nvmet.h"
-#define NVMET_MAX_MPOOL_BVEC 16
#define NVMET_MIN_MPOOL_OBJ 16
void nvmet_file_ns_revalidate(struct nvmet_ns *ns)
flush_workqueue(buffered_io_wq);
mempool_destroy(ns->bvec_pool);
ns->bvec_pool = NULL;
- kmem_cache_destroy(ns->bvec_cache);
- ns->bvec_cache = NULL;
fput(ns->file);
ns->file = NULL;
}
ns->blksize_shift = min_t(u8,
file_inode(ns->file)->i_blkbits, 12);
- ns->bvec_cache = kmem_cache_create("nvmet-bvec",
- NVMET_MAX_MPOOL_BVEC * sizeof(struct bio_vec),
- 0, SLAB_HWCACHE_ALIGN, NULL);
- if (!ns->bvec_cache) {
- ret = -ENOMEM;
- goto err;
- }
-
ns->bvec_pool = mempool_create(NVMET_MIN_MPOOL_OBJ, mempool_alloc_slab,
- mempool_free_slab, ns->bvec_cache);
+ mempool_free_slab, nvmet_bvec_cache);
if (!ns->bvec_pool) {
ret = -ENOMEM;
return ret;
err:
+ fput(ns->file);
+ ns->file = NULL;
ns->size = 0;
ns->blksize_shift = 0;
- nvmet_file_ns_disable(ns);
return ret;
}
struct completion disable_done;
mempool_t *bvec_pool;
- struct kmem_cache *bvec_cache;
int use_p2pmem;
struct pci_dev *p2p_dev;
u64 error_slba;
};
+#define NVMET_MAX_MPOOL_BVEC 16
+extern struct kmem_cache *nvmet_bvec_cache;
extern struct workqueue_struct *buffered_io_wq;
extern struct workqueue_struct *zbd_wq;
extern struct workqueue_struct *nvmet_wq;