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Message-ID: <712c30cc-4b23-087c-39fa-b919ed0529da@lightnvm.io>
Date: Sun, 11 Aug 2019 21:43:46 +0200
From: Matias Bjørling <mb@...htnvm.io>
To: Minwoo Im <minwoo.im.dev@...il.com>, linux-block@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Klaus Birkelund <klaus@...kelund.eu>,
Javier González <javier@...igon.com>,
Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>
Subject: Re: [PATCH 1/2] lightnvm: introduce pr_fmt for the prefix nvm
On 7/27/19 8:26 PM, Minwoo Im wrote:
> all the pr_() family can have this prefix by pr_fmt.
>
> Changes to V2:
> - Fix typo in title (s/previx/prefix)
>
> Changes to V1:
> - Squashed multiple lines to make it short (Chaitanya)
>
> Cc: Matias Bjørling <mb@...htnvm.io>
> Cc: Javier González <javier@...igon.com>
> Cc: Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>
> Signed-off-by: Minwoo Im <minwoo.im.dev@...il.com>
> Reviewed-by: Javier González <javier@...igon.com>
> ---
> drivers/lightnvm/core.c | 48 ++++++++++++++++++++---------------------
> 1 file changed, 24 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
> index a600934fdd9c..4c7b48f72e80 100644
> --- a/drivers/lightnvm/core.c
> +++ b/drivers/lightnvm/core.c
> @@ -4,6 +4,7 @@
> * Initial release: Matias Bjorling <m@...rling.me>
> */
>
> +#define pr_fmt(fmt) "nvm: " fmt
> #include <linux/list.h>
> #include <linux/types.h>
> #include <linux/sem.h>
> @@ -74,7 +75,7 @@ static int nvm_reserve_luns(struct nvm_dev *dev, int lun_begin, int lun_end)
>
> for (i = lun_begin; i <= lun_end; i++) {
> if (test_and_set_bit(i, dev->lun_map)) {
> - pr_err("nvm: lun %d already allocated\n", i);
> + pr_err("lun %d already allocated\n", i);
> goto err;
> }
> }
> @@ -264,7 +265,7 @@ static int nvm_config_check_luns(struct nvm_geo *geo, int lun_begin,
> int lun_end)
> {
> if (lun_begin > lun_end || lun_end >= geo->all_luns) {
> - pr_err("nvm: lun out of bound (%u:%u > %u)\n",
> + pr_err("lun out of bound (%u:%u > %u)\n",
> lun_begin, lun_end, geo->all_luns - 1);
> return -EINVAL;
> }
> @@ -297,7 +298,7 @@ static int __nvm_config_extended(struct nvm_dev *dev,
> if (e->op == 0xFFFF) {
> e->op = NVM_TARGET_DEFAULT_OP;
> } else if (e->op < NVM_TARGET_MIN_OP || e->op > NVM_TARGET_MAX_OP) {
> - pr_err("nvm: invalid over provisioning value\n");
> + pr_err("invalid over provisioning value\n");
> return -EINVAL;
> }
>
> @@ -334,23 +335,23 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
> e = create->conf.e;
> break;
> default:
> - pr_err("nvm: config type not valid\n");
> + pr_err("config type not valid\n");
> return -EINVAL;
> }
>
> tt = nvm_find_target_type(create->tgttype);
> if (!tt) {
> - pr_err("nvm: target type %s not found\n", create->tgttype);
> + pr_err("target type %s not found\n", create->tgttype);
> return -EINVAL;
> }
>
> if ((tt->flags & NVM_TGT_F_HOST_L2P) != (dev->geo.dom & NVM_RSP_L2P)) {
> - pr_err("nvm: device is incompatible with target L2P type.\n");
> + pr_err("device is incompatible with target L2P type.\n");
> return -EINVAL;
> }
>
> if (nvm_target_exists(create->tgtname)) {
> - pr_err("nvm: target name already exists (%s)\n",
> + pr_err("target name already exists (%s)\n",
> create->tgtname);
> return -EINVAL;
> }
> @@ -367,7 +368,7 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
>
> tgt_dev = nvm_create_tgt_dev(dev, e.lun_begin, e.lun_end, e.op);
> if (!tgt_dev) {
> - pr_err("nvm: could not create target device\n");
> + pr_err("could not create target device\n");
> ret = -ENOMEM;
> goto err_t;
> }
> @@ -686,7 +687,7 @@ static int nvm_set_rqd_ppalist(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
> rqd->nr_ppas = nr_ppas;
> rqd->ppa_list = nvm_dev_dma_alloc(dev, GFP_KERNEL, &rqd->dma_ppa_list);
> if (!rqd->ppa_list) {
> - pr_err("nvm: failed to allocate dma memory\n");
> + pr_err("failed to allocate dma memory\n");
> return -ENOMEM;
> }
>
> @@ -1048,7 +1049,7 @@ int nvm_set_chunk_meta(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *ppas,
> return 0;
>
> if (nr_ppas > NVM_MAX_VLBA) {
> - pr_err("nvm: unable to update all blocks atomically\n");
> + pr_err("unable to update all blocks atomically\n");
> return -EINVAL;
> }
>
> @@ -1111,27 +1112,26 @@ static int nvm_init(struct nvm_dev *dev)
> int ret = -EINVAL;
>
> if (dev->ops->identity(dev)) {
> - pr_err("nvm: device could not be identified\n");
> + pr_err("device could not be identified\n");
> goto err;
> }
>
> - pr_debug("nvm: ver:%u.%u nvm_vendor:%x\n",
> - geo->major_ver_id, geo->minor_ver_id,
> - geo->vmnt);
> + pr_debug("ver:%u.%u nvm_vendor:%x\n", geo->major_ver_id,
> + geo->minor_ver_id, geo->vmnt);
>
> ret = nvm_core_init(dev);
> if (ret) {
> - pr_err("nvm: could not initialize core structures.\n");
> + pr_err("could not initialize core structures.\n");
> goto err;
> }
>
> - pr_info("nvm: registered %s [%u/%u/%u/%u/%u]\n",
> + pr_info("registered %s [%u/%u/%u/%u/%u]\n",
> dev->name, dev->geo.ws_min, dev->geo.ws_opt,
> dev->geo.num_chk, dev->geo.all_luns,
> dev->geo.num_ch);
> return 0;
> err:
> - pr_err("nvm: failed to initialize nvm\n");
> + pr_err("failed to initialize nvm\n");
> return ret;
> }
>
> @@ -1169,7 +1169,7 @@ int nvm_register(struct nvm_dev *dev)
> dev->dma_pool = dev->ops->create_dma_pool(dev, "ppalist",
> exp_pool_size);
> if (!dev->dma_pool) {
> - pr_err("nvm: could not create dma pool\n");
> + pr_err("could not create dma pool\n");
> kref_put(&dev->ref, nvm_free);
> return -ENOMEM;
> }
> @@ -1214,7 +1214,7 @@ static int __nvm_configure_create(struct nvm_ioctl_create *create)
> up_write(&nvm_lock);
>
> if (!dev) {
> - pr_err("nvm: device not found\n");
> + pr_err("device not found\n");
> return -EINVAL;
> }
>
> @@ -1288,7 +1288,7 @@ static long nvm_ioctl_get_devices(struct file *file, void __user *arg)
> i++;
>
> if (i > 31) {
> - pr_err("nvm: max 31 devices can be reported.\n");
> + pr_err("max 31 devices can be reported.\n");
> break;
> }
> }
> @@ -1315,7 +1315,7 @@ static long nvm_ioctl_dev_create(struct file *file, void __user *arg)
>
> if (create.conf.type == NVM_CONFIG_TYPE_EXTENDED &&
> create.conf.e.rsv != 0) {
> - pr_err("nvm: reserved config field in use\n");
> + pr_err("reserved config field in use\n");
> return -EINVAL;
> }
>
> @@ -1331,7 +1331,7 @@ static long nvm_ioctl_dev_create(struct file *file, void __user *arg)
> flags &= ~NVM_TARGET_FACTORY;
>
> if (flags) {
> - pr_err("nvm: flag not supported\n");
> + pr_err("flag not supported\n");
> return -EINVAL;
> }
> }
> @@ -1349,7 +1349,7 @@ static long nvm_ioctl_dev_remove(struct file *file, void __user *arg)
> remove.tgtname[DISK_NAME_LEN - 1] = '\0';
>
> if (remove.flags != 0) {
> - pr_err("nvm: no flags supported\n");
> + pr_err("no flags supported\n");
> return -EINVAL;
> }
>
> @@ -1365,7 +1365,7 @@ static long nvm_ioctl_dev_init(struct file *file, void __user *arg)
> return -EFAULT;
>
> if (init.flags != 0) {
> - pr_err("nvm: no flags supported\n");
> + pr_err("no flags supported\n");
> return -EINVAL;
> }
>
>
Thanks Minwoo. Applied.
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