diff options
| author | Jens Axboe <axboe@kernel.dk> | 2022-03-16 05:43:25 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-03-16 05:43:25 -0600 |
| commit | f6189589fa7cc4fb6b53f2929f69f0505123202f (patch) | |
| tree | fb84d89e72fd2682b59e32817d27cdaeeb92433c /drivers/nvme/target/configfs.c | |
| parent | daaca3522a8e67c46e39ef09c1d542e866f85f3b (diff) | |
| parent | 0c48645a7f3988a624767d025fa3275ae24b6ca1 (diff) | |
Merge tag 'nvme-5.17-2022-03-16' of git://git.infradead.org/nvme into block-5.17
Pull NVMe fix from Christoph:
"nvme fix for Linux 5.17
- last minute revert of a nvmet feature added in Linux 5.16
(Hannes Reinecke)"
* tag 'nvme-5.17-2022-03-16' of git://git.infradead.org/nvme:
nvmet: revert "nvmet: make discovery NQN configurable"
Diffstat (limited to 'drivers/nvme/target/configfs.c')
| -rw-r--r-- | drivers/nvme/target/configfs.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index 091a0ca16361..496d775c6770 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -1233,44 +1233,6 @@ static ssize_t nvmet_subsys_attr_model_store(struct config_item *item, } CONFIGFS_ATTR(nvmet_subsys_, attr_model); -static ssize_t nvmet_subsys_attr_discovery_nqn_show(struct config_item *item, - char *page) -{ - return snprintf(page, PAGE_SIZE, "%s\n", - nvmet_disc_subsys->subsysnqn); -} - -static ssize_t nvmet_subsys_attr_discovery_nqn_store(struct config_item *item, - const char *page, size_t count) -{ - struct nvmet_subsys *subsys = to_subsys(item); - char *subsysnqn; - int len; - - len = strcspn(page, "\n"); - if (!len) - return -EINVAL; - - subsysnqn = kmemdup_nul(page, len, GFP_KERNEL); - if (!subsysnqn) - return -ENOMEM; - - /* - * The discovery NQN must be different from subsystem NQN. - */ - if (!strcmp(subsysnqn, subsys->subsysnqn)) { - kfree(subsysnqn); - return -EBUSY; - } - down_write(&nvmet_config_sem); - kfree(nvmet_disc_subsys->subsysnqn); - nvmet_disc_subsys->subsysnqn = subsysnqn; - up_write(&nvmet_config_sem); - - return count; -} -CONFIGFS_ATTR(nvmet_subsys_, attr_discovery_nqn); - #ifdef CONFIG_BLK_DEV_INTEGRITY static ssize_t nvmet_subsys_attr_pi_enable_show(struct config_item *item, char *page) @@ -1300,7 +1262,6 @@ static struct configfs_attribute *nvmet_subsys_attrs[] = { &nvmet_subsys_attr_attr_cntlid_min, &nvmet_subsys_attr_attr_cntlid_max, &nvmet_subsys_attr_attr_model, - &nvmet_subsys_attr_attr_discovery_nqn, #ifdef CONFIG_BLK_DEV_INTEGRITY &nvmet_subsys_attr_attr_pi_enable, #endif |