diff options
| author | Javier Gonzalez <javier@javigon.com> | 2015-11-20 12:47:57 (GMT) |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-11-20 15:33:21 (GMT) |
| commit | 2fde0e482db2b43bb4ed0e9aebfbe78ebcbbf5a6 (patch) | |
| tree | c4dff376fb73f7d473152cd727a17b64827fdd31 /drivers/lightnvm | |
| parent | 0b59733b95f9d7af6bee6e6a4d0d444eb694c514 (diff) | |
| download | linux-2fde0e482db2b43bb4ed0e9aebfbe78ebcbbf5a6.tar.xz | |
lightnvm: add free and bad lun info to show luns
Add free block, used block, and bad block information to the show debug
interface. This information is used to debug how targets track blocks.
Also, change debug function name to make it more generic.
Signed-off-by: Javier Gonzalez <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/core.c | 2 | ||||
| -rw-r--r-- | drivers/lightnvm/gennvm.c | 19 |
2 files changed, 15 insertions, 6 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index f61d325..5178645 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -544,7 +544,7 @@ static int nvm_configure_show(const char *val) if (!dev->mt) return 0; - dev->mt->free_blocks_print(dev); + dev->mt->lun_info_print(dev); return 0; } diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c index 43c01e0..e20e74e 100644 --- a/drivers/lightnvm/gennvm.c +++ b/drivers/lightnvm/gennvm.c @@ -464,15 +464,24 @@ static struct nvm_lun *gennvm_get_lun(struct nvm_dev *dev, int lunid) return &gn->luns[lunid].vlun; } -static void gennvm_free_blocks_print(struct nvm_dev *dev) +static void gennvm_lun_info_print(struct nvm_dev *dev) { struct gen_nvm *gn = dev->mp; struct gen_lun *lun; unsigned int i; - gennvm_for_each_lun(gn, lun, i) - pr_info("%s: lun%8u\t%u\n", - dev->name, i, lun->vlun.nr_free_blocks); + + gennvm_for_each_lun(gn, lun, i) { + spin_lock(&lun->vlun.lock); + + pr_info("%s: lun%8u\t%u\t%u\t%u\n", + dev->name, i, + lun->vlun.nr_free_blocks, + lun->vlun.nr_inuse_blocks, + lun->vlun.nr_bad_blocks); + + spin_unlock(&lun->vlun.lock); + } } static struct nvmm_type gennvm = { @@ -490,7 +499,7 @@ static struct nvmm_type gennvm = { .erase_blk = gennvm_erase_blk, .get_lun = gennvm_get_lun, - .free_blocks_print = gennvm_free_blocks_print, + .lun_info_print = gennvm_lun_info_print, }; static int __init gennvm_module_init(void) |