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Message-ID: <CAFkjPTmyn9POfTjYYjjYEaPt6M6Wdu-P=SEc=ZeTsbA+1=VraA@mail.gmail.com>
Date: Mon, 28 Nov 2011 09:10:05 -0600
From: Eric Van Hensbergen <ericvh@...il.com>
To: Joe Perches <joe@...ches.com>
Cc: Ron Minnich <rminnich@...dia.gov>,
Latchesar Ionkov <lucho@...kov.net>,
"David S. Miller" <davem@...emloft.net>,
v9fs-developer@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org
Subject: Re: [PATCH] 9p: Reduce object size with CONFIG_NET_9P_DEBUG
sorry, just got to reviewing this because of holidays.
On Fri, Nov 18, 2011 at 6:09 PM, Joe Perches <joe@...ches.com> wrote:
> Reduce object size by deduplicating formats.
>
> Use vsprintf extension %pV.
> Rename P9_DPRINTK uses to p9_debug, align arguments.
> Add function for _p9_debug and macro to add __func__.
> Add missing "\n"s to p9_debug uses.
> Remove embedded function names as p9_debug adds it.
> Remove P9_EPRINTK macro and convert use to pr_<level>.
> Add and use pr_fmt and pr_<level>.
>
> $ size fs/9p/built-in.o*
> text data bss dec hex filename
> 62133 984 16000 79117 1350d fs/9p/built-in.o.new
> 67342 984 16928 85254 14d06 fs/9p/built-in.o.old
>
> Signed-off-by: Joe Perches <joe@...ches.com>
These changes seem reasonable enough, but since you only made changes
in the fs/9p directory and not the net/9p directory which causes
net/9p build to break with this patch.
CC net/9p/client.o
/home/ericvh/src/linux/v9fs-devel/net/9p/client.c: In function
‘get_protocol_version’:
/home/ericvh/src/linux/v9fs-devel/net/9p/client.c:84:3: error:
implicit declaration of function ‘P9_DPRINTK’
[-Werror=implicit-function-declaration]
/home/ericvh/src/linux/v9fs-devel/net/9p/client.c: In function
‘p9_client_clunk’:
/home/ericvh/src/linux/v9fs-devel/net/9p/client.c:1426:3: error:
implicit declaration of function ‘P9_EPRINTK’
[-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[3]: *** [net/9p/client.o] Error 1
make[2]: *** [net/9p] Error 2
make[1]: *** [net] Error 2
make: *** [sub-make] Error 2
-eric
> ---
> fs/9p/cache.c | 64 ++++++++++++++++++------------------
> fs/9p/fid.c | 8 ++--
> fs/9p/v9fs.c | 83 ++++++++++++++++++++++++++++++----------------
> fs/9p/vfs_addr.c | 13 +++----
> fs/9p/vfs_dentry.c | 12 +++---
> fs/9p/vfs_dir.c | 13 +++----
> fs/9p/vfs_file.c | 31 ++++++++---------
> fs/9p/vfs_inode.c | 86 ++++++++++++++++++++++++------------------------
> fs/9p/vfs_inode_dotl.c | 85 +++++++++++++++++++++++------------------------
> fs/9p/vfs_super.c | 12 +++---
> fs/9p/xattr.c | 16 ++++----
> include/net/9p/9p.h | 28 ++++------------
> 12 files changed, 228 insertions(+), 223 deletions(-)
>
> diff --git a/fs/9p/cache.c b/fs/9p/cache.c
> index 945aa5f..a9ea73d 100644
> --- a/fs/9p/cache.c
> +++ b/fs/9p/cache.c
> @@ -62,8 +62,8 @@ static uint16_t v9fs_cache_session_get_key(const void *cookie_netfs_data,
> uint16_t klen = 0;
>
> v9ses = (struct v9fs_session_info *)cookie_netfs_data;
> - P9_DPRINTK(P9_DEBUG_FSC, "session %p buf %p size %u", v9ses,
> - buffer, bufmax);
> + p9_debug(P9_DEBUG_FSC, "session %p buf %p size %u\n",
> + v9ses, buffer, bufmax);
>
> if (v9ses->cachetag)
> klen = strlen(v9ses->cachetag);
> @@ -72,7 +72,7 @@ static uint16_t v9fs_cache_session_get_key(const void *cookie_netfs_data,
> return 0;
>
> memcpy(buffer, v9ses->cachetag, klen);
> - P9_DPRINTK(P9_DEBUG_FSC, "cache session tag %s", v9ses->cachetag);
> + p9_debug(P9_DEBUG_FSC, "cache session tag %s\n", v9ses->cachetag);
> return klen;
> }
>
> @@ -91,14 +91,14 @@ void v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses)
> v9ses->fscache = fscache_acquire_cookie(v9fs_cache_netfs.primary_index,
> &v9fs_cache_session_index_def,
> v9ses);
> - P9_DPRINTK(P9_DEBUG_FSC, "session %p get cookie %p", v9ses,
> - v9ses->fscache);
> + p9_debug(P9_DEBUG_FSC, "session %p get cookie %p\n",
> + v9ses, v9ses->fscache);
> }
>
> void v9fs_cache_session_put_cookie(struct v9fs_session_info *v9ses)
> {
> - P9_DPRINTK(P9_DEBUG_FSC, "session %p put cookie %p", v9ses,
> - v9ses->fscache);
> + p9_debug(P9_DEBUG_FSC, "session %p put cookie %p\n",
> + v9ses, v9ses->fscache);
> fscache_relinquish_cookie(v9ses->fscache, 0);
> v9ses->fscache = NULL;
> }
> @@ -109,8 +109,8 @@ static uint16_t v9fs_cache_inode_get_key(const void *cookie_netfs_data,
> {
> const struct v9fs_inode *v9inode = cookie_netfs_data;
> memcpy(buffer, &v9inode->qid.path, sizeof(v9inode->qid.path));
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p get key %llu", &v9inode->vfs_inode,
> - v9inode->qid.path);
> + p9_debug(P9_DEBUG_FSC, "inode %p get key %llu\n",
> + &v9inode->vfs_inode, v9inode->qid.path);
> return sizeof(v9inode->qid.path);
> }
>
> @@ -120,8 +120,8 @@ static void v9fs_cache_inode_get_attr(const void *cookie_netfs_data,
> const struct v9fs_inode *v9inode = cookie_netfs_data;
> *size = i_size_read(&v9inode->vfs_inode);
>
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p get attr %llu", &v9inode->vfs_inode,
> - *size);
> + p9_debug(P9_DEBUG_FSC, "inode %p get attr %llu\n",
> + &v9inode->vfs_inode, *size);
> }
>
> static uint16_t v9fs_cache_inode_get_aux(const void *cookie_netfs_data,
> @@ -129,8 +129,8 @@ static uint16_t v9fs_cache_inode_get_aux(const void *cookie_netfs_data,
> {
> const struct v9fs_inode *v9inode = cookie_netfs_data;
> memcpy(buffer, &v9inode->qid.version, sizeof(v9inode->qid.version));
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p get aux %u", &v9inode->vfs_inode,
> - v9inode->qid.version);
> + p9_debug(P9_DEBUG_FSC, "inode %p get aux %u\n",
> + &v9inode->vfs_inode, v9inode->qid.version);
> return sizeof(v9inode->qid.version);
> }
>
> @@ -206,8 +206,8 @@ void v9fs_cache_inode_get_cookie(struct inode *inode)
> &v9fs_cache_inode_index_def,
> v9inode);
>
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p get cookie %p", inode,
> - v9inode->fscache);
> + p9_debug(P9_DEBUG_FSC, "inode %p get cookie %p\n",
> + inode, v9inode->fscache);
> }
>
> void v9fs_cache_inode_put_cookie(struct inode *inode)
> @@ -216,8 +216,8 @@ void v9fs_cache_inode_put_cookie(struct inode *inode)
>
> if (!v9inode->fscache)
> return;
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p put cookie %p", inode,
> - v9inode->fscache);
> + p9_debug(P9_DEBUG_FSC, "inode %p put cookie %p\n",
> + inode, v9inode->fscache);
>
> fscache_relinquish_cookie(v9inode->fscache, 0);
> v9inode->fscache = NULL;
> @@ -229,8 +229,8 @@ void v9fs_cache_inode_flush_cookie(struct inode *inode)
>
> if (!v9inode->fscache)
> return;
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p flush cookie %p", inode,
> - v9inode->fscache);
> + p9_debug(P9_DEBUG_FSC, "inode %p flush cookie %p\n",
> + inode, v9inode->fscache);
>
> fscache_relinquish_cookie(v9inode->fscache, 1);
> v9inode->fscache = NULL;
> @@ -272,8 +272,8 @@ void v9fs_cache_inode_reset_cookie(struct inode *inode)
> v9inode->fscache = fscache_acquire_cookie(v9ses->fscache,
> &v9fs_cache_inode_index_def,
> v9inode);
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p revalidating cookie old %p new %p",
> - inode, old, v9inode->fscache);
> + p9_debug(P9_DEBUG_FSC, "inode %p revalidating cookie old %p new %p\n",
> + inode, old, v9inode->fscache);
>
> spin_unlock(&v9inode->fscache_lock);
> }
> @@ -323,7 +323,7 @@ int __v9fs_readpage_from_fscache(struct inode *inode, struct page *page)
> int ret;
> const struct v9fs_inode *v9inode = V9FS_I(inode);
>
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p page %p", inode, page);
> + p9_debug(P9_DEBUG_FSC, "inode %p page %p\n", inode, page);
> if (!v9inode->fscache)
> return -ENOBUFS;
>
> @@ -335,13 +335,13 @@ int __v9fs_readpage_from_fscache(struct inode *inode, struct page *page)
> switch (ret) {
> case -ENOBUFS:
> case -ENODATA:
> - P9_DPRINTK(P9_DEBUG_FSC, "page/inode not in cache %d", ret);
> + p9_debug(P9_DEBUG_FSC, "page/inode not in cache %d\n", ret);
> return 1;
> case 0:
> - P9_DPRINTK(P9_DEBUG_FSC, "BIO submitted");
> + p9_debug(P9_DEBUG_FSC, "BIO submitted\n");
> return ret;
> default:
> - P9_DPRINTK(P9_DEBUG_FSC, "ret %d", ret);
> + p9_debug(P9_DEBUG_FSC, "ret %d\n", ret);
> return ret;
> }
> }
> @@ -361,7 +361,7 @@ int __v9fs_readpages_from_fscache(struct inode *inode,
> int ret;
> const struct v9fs_inode *v9inode = V9FS_I(inode);
>
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p pages %u", inode, *nr_pages);
> + p9_debug(P9_DEBUG_FSC, "inode %p pages %u\n", inode, *nr_pages);
> if (!v9inode->fscache)
> return -ENOBUFS;
>
> @@ -373,15 +373,15 @@ int __v9fs_readpages_from_fscache(struct inode *inode,
> switch (ret) {
> case -ENOBUFS:
> case -ENODATA:
> - P9_DPRINTK(P9_DEBUG_FSC, "pages/inodes not in cache %d", ret);
> + p9_debug(P9_DEBUG_FSC, "pages/inodes not in cache %d\n", ret);
> return 1;
> case 0:
> BUG_ON(!list_empty(pages));
> BUG_ON(*nr_pages != 0);
> - P9_DPRINTK(P9_DEBUG_FSC, "BIO submitted");
> + p9_debug(P9_DEBUG_FSC, "BIO submitted\n");
> return ret;
> default:
> - P9_DPRINTK(P9_DEBUG_FSC, "ret %d", ret);
> + p9_debug(P9_DEBUG_FSC, "ret %d\n", ret);
> return ret;
> }
> }
> @@ -396,9 +396,9 @@ void __v9fs_readpage_to_fscache(struct inode *inode, struct page *page)
> int ret;
> const struct v9fs_inode *v9inode = V9FS_I(inode);
>
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p page %p", inode, page);
> + p9_debug(P9_DEBUG_FSC, "inode %p page %p\n", inode, page);
> ret = fscache_write_page(v9inode->fscache, page, GFP_KERNEL);
> - P9_DPRINTK(P9_DEBUG_FSC, "ret = %d", ret);
> + p9_debug(P9_DEBUG_FSC, "ret = %d\n", ret);
> if (ret != 0)
> v9fs_uncache_page(inode, page);
> }
> @@ -409,7 +409,7 @@ void __v9fs_readpage_to_fscache(struct inode *inode, struct page *page)
> void __v9fs_fscache_wait_on_page_write(struct inode *inode, struct page *page)
> {
> const struct v9fs_inode *v9inode = V9FS_I(inode);
> - P9_DPRINTK(P9_DEBUG_FSC, "inode %p page %p", inode, page);
> + p9_debug(P9_DEBUG_FSC, "inode %p page %p\n", inode, page);
> if (PageFsCache(page))
> fscache_wait_on_page_write(v9inode->fscache, page);
> }
> diff --git a/fs/9p/fid.c b/fs/9p/fid.c
> index 85b67ff..da8eefb 100644
> --- a/fs/9p/fid.c
> +++ b/fs/9p/fid.c
> @@ -45,8 +45,8 @@ int v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid)
> {
> struct v9fs_dentry *dent;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "fid %d dentry %s\n",
> - fid->fid, dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "fid %d dentry %s\n",
> + fid->fid, dentry->d_name.name);
>
> dent = dentry->d_fsdata;
> if (!dent) {
> @@ -79,8 +79,8 @@ static struct p9_fid *v9fs_fid_find(struct dentry *dentry, u32 uid, int any)
> struct v9fs_dentry *dent;
> struct p9_fid *fid, *ret;
>
> - P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p) uid %d any %d\n",
> - dentry->d_name.name, dentry, uid, any);
> + p9_debug(P9_DEBUG_VFS, " dentry: %s (%p) uid %d any %d\n",
> + dentry->d_name.name, dentry, uid, any);
> dent = (struct v9fs_dentry *) dentry->d_fsdata;
> ret = NULL;
> if (dent) {
> diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
> index 2b78014..4afc182 100644
> --- a/fs/9p/v9fs.c
> +++ b/fs/9p/v9fs.c
> @@ -23,6 +23,8 @@
> *
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/errno.h>
> #include <linux/fs.h>
> @@ -85,15 +87,15 @@ static int get_cache_mode(char *s)
>
> if (!strcmp(s, "loose")) {
> version = CACHE_LOOSE;
> - P9_DPRINTK(P9_DEBUG_9P, "Cache mode: loose\n");
> + p9_debug(P9_DEBUG_9P, "Cache mode: loose\n");
> } else if (!strcmp(s, "fscache")) {
> version = CACHE_FSCACHE;
> - P9_DPRINTK(P9_DEBUG_9P, "Cache mode: fscache\n");
> + p9_debug(P9_DEBUG_9P, "Cache mode: fscache\n");
> } else if (!strcmp(s, "none")) {
> version = CACHE_NONE;
> - P9_DPRINTK(P9_DEBUG_9P, "Cache mode: none\n");
> + p9_debug(P9_DEBUG_9P, "Cache mode: none\n");
> } else
> - printk(KERN_INFO "9p: Unknown Cache mode %s.\n", s);
> + pr_info("Unknown Cache mode %s\n", s);
> return version;
> }
>
> @@ -140,8 +142,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> case Opt_debug:
> r = match_int(&args[0], &option);
> if (r < 0) {
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "integer field, but no integer?\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "integer field, but no integer?\n");
> ret = r;
> continue;
> }
> @@ -154,8 +156,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> case Opt_dfltuid:
> r = match_int(&args[0], &option);
> if (r < 0) {
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "integer field, but no integer?\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "integer field, but no integer?\n");
> ret = r;
> continue;
> }
> @@ -164,8 +166,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> case Opt_dfltgid:
> r = match_int(&args[0], &option);
> if (r < 0) {
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "integer field, but no integer?\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "integer field, but no integer?\n");
> ret = r;
> continue;
> }
> @@ -174,8 +176,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> case Opt_afid:
> r = match_int(&args[0], &option);
> if (r < 0) {
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "integer field, but no integer?\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "integer field, but no integer?\n");
> ret = r;
> continue;
> }
> @@ -205,8 +207,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> s = match_strdup(&args[0]);
> if (!s) {
> ret = -ENOMEM;
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "problem allocating copy of cache arg\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "problem allocating copy of cache arg\n");
> goto free_and_return;
> }
> ret = get_cache_mode(s);
> @@ -223,8 +225,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> s = match_strdup(&args[0]);
> if (!s) {
> ret = -ENOMEM;
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "problem allocating copy of access arg\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "problem allocating copy of access arg\n");
> goto free_and_return;
> }
>
> @@ -240,8 +242,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> v9ses->uid = simple_strtoul(s, &e, 10);
> if (*e != '\0') {
> ret = -EINVAL;
> - printk(KERN_INFO "9p: Unknown access "
> - "argument %s.\n", s);
> + pr_info("Unknown access argument %s\n",
> + s);
> kfree(s);
> goto free_and_return;
> }
> @@ -254,9 +256,8 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
> #ifdef CONFIG_9P_FS_POSIX_ACL
> v9ses->flags |= V9FS_POSIX_ACL;
> #else
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "Not defined CONFIG_9P_FS_POSIX_ACL. "
> - "Ignoring posixacl option\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "Not defined CONFIG_9P_FS_POSIX_ACL. Ignoring posixacl option\n");
> #endif
> break;
>
> @@ -318,7 +319,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
> if (IS_ERR(v9ses->clnt)) {
> retval = PTR_ERR(v9ses->clnt);
> v9ses->clnt = NULL;
> - P9_DPRINTK(P9_DEBUG_ERROR, "problem initializing 9p client\n");
> + p9_debug(P9_DEBUG_ERROR, "problem initializing 9p client\n");
> goto error;
> }
>
> @@ -371,7 +372,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
> if (IS_ERR(fid)) {
> retval = PTR_ERR(fid);
> fid = NULL;
> - P9_DPRINTK(P9_DEBUG_ERROR, "cannot attach\n");
> + p9_debug(P9_DEBUG_ERROR, "cannot attach\n");
> goto error;
> }
>
> @@ -429,7 +430,7 @@ void v9fs_session_close(struct v9fs_session_info *v9ses)
> */
>
> void v9fs_session_cancel(struct v9fs_session_info *v9ses) {
> - P9_DPRINTK(P9_DEBUG_ERROR, "cancel session %p\n", v9ses);
> + p9_debug(P9_DEBUG_ERROR, "cancel session %p\n", v9ses);
> p9_client_disconnect(v9ses->clnt);
> }
>
> @@ -442,7 +443,7 @@ void v9fs_session_cancel(struct v9fs_session_info *v9ses) {
>
> void v9fs_session_begin_cancel(struct v9fs_session_info *v9ses)
> {
> - P9_DPRINTK(P9_DEBUG_ERROR, "begin cancel session %p\n", v9ses);
> + p9_debug(P9_DEBUG_ERROR, "begin cancel session %p\n", v9ses);
> p9_client_begin_disconnect(v9ses->clnt);
> }
>
> @@ -591,23 +592,23 @@ static void v9fs_cache_unregister(void)
> static int __init init_v9fs(void)
> {
> int err;
> - printk(KERN_INFO "Installing v9fs 9p2000 file system support\n");
> + pr_info("Installing v9fs 9p2000 file system support\n");
> /* TODO: Setup list of registered trasnport modules */
> err = register_filesystem(&v9fs_fs_type);
> if (err < 0) {
> - printk(KERN_ERR "Failed to register filesystem\n");
> + pr_err("Failed to register filesystem\n");
> return err;
> }
>
> err = v9fs_cache_register();
> if (err < 0) {
> - printk(KERN_ERR "Failed to register v9fs for caching\n");
> + pr_err("Failed to register v9fs for caching\n");
> goto out_fs_unreg;
> }
>
> err = v9fs_sysfs_init();
> if (err < 0) {
> - printk(KERN_ERR "Failed to register with sysfs\n");
> + pr_err("Failed to register with sysfs\n");
> goto out_sysfs_cleanup;
> }
>
> @@ -637,6 +638,30 @@ static void __exit exit_v9fs(void)
> module_init(init_v9fs)
> module_exit(exit_v9fs)
>
> +#ifdef CONFIG_NET_9P_DEBUG
> +void _p9_debug(enum p9_debug_flags level, const char *func,
> + const char *fmt, ...)
> +{
> + struct va_format vaf;
> + va_list args;
> +
> + if ((p9_debug_level & level) != level)
> + return;
> +
> + va_start(args, fmt);
> +
> + vaf.fmt = fmt;
> + vaf.va = &args;
> +
> + if (level == P9_DEBUG_9P)
> + pr_notice("(%8.8d) %pV", task_pid_nr(current), &vaf);
> + else
> + pr_notice("-- %s (%d): %pV", func, task_pid_nr(current), &vaf);
> +
> + va_end(args);
> +}
> +#endif
> +
> MODULE_AUTHOR("Latchesar Ionkov <lucho@...kov.net>");
> MODULE_AUTHOR("Eric Van Hensbergen <ericvh@...il.com>");
> MODULE_AUTHOR("Ron Minnich <rminnich@...l.gov>");
> diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
> index 2524e4c..0ad61c6 100644
> --- a/fs/9p/vfs_addr.c
> +++ b/fs/9p/vfs_addr.c
> @@ -56,7 +56,7 @@ static int v9fs_fid_readpage(struct p9_fid *fid, struct page *page)
> struct inode *inode;
>
> inode = page->mapping->host;
> - P9_DPRINTK(P9_DEBUG_VFS, "\n");
> + p9_debug(P9_DEBUG_VFS, "\n");
>
> BUG_ON(!PageLocked(page));
>
> @@ -116,14 +116,14 @@ static int v9fs_vfs_readpages(struct file *filp, struct address_space *mapping,
> struct inode *inode;
>
> inode = mapping->host;
> - P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p\n", inode, filp);
> + p9_debug(P9_DEBUG_VFS, "inode: %p file: %p\n", inode, filp);
>
> ret = v9fs_readpages_from_fscache(inode, mapping, pages, &nr_pages);
> if (ret == 0)
> return ret;
>
> ret = read_cache_pages(mapping, pages, (void *)v9fs_vfs_readpage, filp);
> - P9_DPRINTK(P9_DEBUG_VFS, " = %d\n", ret);
> + p9_debug(P9_DEBUG_VFS, " = %d\n", ret);
> return ret;
> }
>
> @@ -263,10 +263,9 @@ v9fs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
> * Now that we do caching with cache mode enabled, We need
> * to support direct IO
> */
> - P9_DPRINTK(P9_DEBUG_VFS, "v9fs_direct_IO: v9fs_direct_IO (%s) "
> - "off/no(%lld/%lu) EINVAL\n",
> - iocb->ki_filp->f_path.dentry->d_name.name,
> - (long long) pos, nr_segs);
> + p9_debug(P9_DEBUG_VFS, "v9fs_direct_IO: v9fs_direct_IO (%s) off/no(%lld/%lu) EINVAL\n",
> + iocb->ki_filp->f_path.dentry->d_name.name,
> + (long long)pos, nr_segs);
>
> return -EINVAL;
> }
> diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
> index e022890..d529437 100644
> --- a/fs/9p/vfs_dentry.c
> +++ b/fs/9p/vfs_dentry.c
> @@ -53,8 +53,8 @@
>
> static int v9fs_dentry_delete(const struct dentry *dentry)
> {
> - P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name,
> - dentry);
> + p9_debug(P9_DEBUG_VFS, " dentry: %s (%p)\n",
> + dentry->d_name.name, dentry);
>
> return 1;
> }
> @@ -66,8 +66,8 @@ static int v9fs_dentry_delete(const struct dentry *dentry)
> */
> static int v9fs_cached_dentry_delete(const struct dentry *dentry)
> {
> - P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n",
> - dentry->d_name.name, dentry);
> + p9_debug(P9_DEBUG_VFS, " dentry: %s (%p)\n",
> + dentry->d_name.name, dentry);
>
> /* Don't cache negative dentries */
> if (!dentry->d_inode)
> @@ -86,8 +86,8 @@ static void v9fs_dentry_release(struct dentry *dentry)
> struct v9fs_dentry *dent;
> struct p9_fid *temp, *current_fid;
>
> - P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name,
> - dentry);
> + p9_debug(P9_DEBUG_VFS, " dentry: %s (%p)\n",
> + dentry->d_name.name, dentry);
> dent = dentry->d_fsdata;
> if (dent) {
> list_for_each_entry_safe(current_fid, temp, &dent->fidlist,
> diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
> index 598fff1..ff911e7 100644
> --- a/fs/9p/vfs_dir.c
> +++ b/fs/9p/vfs_dir.c
> @@ -140,7 +140,7 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
> int reclen = 0;
> struct p9_rdir *rdir;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name);
> fid = filp->private_data;
>
> buflen = fid->clnt->msize - P9_IOHDRSZ;
> @@ -168,7 +168,7 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
> err = p9stat_read(fid->clnt, rdir->buf + rdir->head,
> rdir->tail - rdir->head, &st);
> if (err) {
> - P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "returned %d\n", err);
> err = -EIO;
> p9stat_free(&st);
> goto unlock_and_exit;
> @@ -213,7 +213,7 @@ static int v9fs_dir_readdir_dotl(struct file *filp, void *dirent,
> struct p9_dirent curdirent;
> u64 oldoffset = 0;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name);
> fid = filp->private_data;
>
> buflen = fid->clnt->msize - P9_READDIRHDRSZ;
> @@ -244,7 +244,7 @@ static int v9fs_dir_readdir_dotl(struct file *filp, void *dirent,
> rdir->tail - rdir->head,
> &curdirent);
> if (err < 0) {
> - P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "returned %d\n", err);
> err = -EIO;
> goto unlock_and_exit;
> }
> @@ -290,9 +290,8 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
> struct p9_fid *fid;
>
> fid = filp->private_data;
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "v9fs_dir_release: inode: %p filp: %p fid: %d\n",
> - inode, filp, fid ? fid->fid : -1);
> + p9_debug(P9_DEBUG_VFS, "inode: %p filp: %p fid: %d\n",
> + inode, filp, fid ? fid->fid : -1);
> if (fid)
> p9_client_clunk(fid);
> return 0;
> diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
> index 62857a8..8947f9f 100644
> --- a/fs/9p/vfs_file.c
> +++ b/fs/9p/vfs_file.c
> @@ -61,7 +61,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
> struct p9_fid *fid;
> int omode;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p\n", inode, file);
> + p9_debug(P9_DEBUG_VFS, "inode: %p file: %p\n", inode, file);
> v9inode = V9FS_I(inode);
> v9ses = v9fs_inode2v9ses(inode);
> if (v9fs_proto_dotl(v9ses))
> @@ -135,7 +135,7 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
> int res = 0;
> struct inode *inode = filp->f_path.dentry->d_inode;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
> + p9_debug(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
>
> /* No mandatory locks */
> if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
> @@ -304,8 +304,8 @@ static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl)
> struct inode *inode = filp->f_path.dentry->d_inode;
> int ret = -ENOLCK;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp,
> - cmd, fl, filp->f_path.dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n",
> + filp, cmd, fl, filp->f_path.dentry->d_name.name);
>
> /* No mandatory locks */
> if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
> @@ -340,8 +340,8 @@ static int v9fs_file_flock_dotl(struct file *filp, int cmd,
> struct inode *inode = filp->f_path.dentry->d_inode;
> int ret = -ENOLCK;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n", filp,
> - cmd, fl, filp->f_path.dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n",
> + filp, cmd, fl, filp->f_path.dentry->d_name.name);
>
> /* No mandatory locks */
> if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
> @@ -384,8 +384,8 @@ v9fs_fid_readn(struct p9_fid *fid, char *data, char __user *udata, u32 count,
> {
> int n, total, size;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "fid %d offset %llu count %d\n", fid->fid,
> - (long long unsigned) offset, count);
> + p9_debug(P9_DEBUG_VFS, "fid %d offset %llu count %d\n",
> + fid->fid, (long long unsigned)offset, count);
> n = 0;
> total = 0;
> size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ;
> @@ -443,7 +443,7 @@ v9fs_file_read(struct file *filp, char __user *udata, size_t count,
> struct p9_fid *fid;
> size_t size;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "count %zu offset %lld\n", count, *offset);
> + p9_debug(P9_DEBUG_VFS, "count %zu offset %lld\n", count, *offset);
> fid = filp->private_data;
>
> size = fid->iounit ? fid->iounit : fid->clnt->msize - P9_IOHDRSZ;
> @@ -470,8 +470,8 @@ v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid,
> loff_t origin = *offset;
> unsigned long pg_start, pg_end;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data,
> - (int)count, (int)*offset);
> + p9_debug(P9_DEBUG_VFS, "data %p count %d offset %x\n",
> + data, (int)count, (int)*offset);
>
> clnt = fid->clnt;
> do {
> @@ -552,7 +552,7 @@ static int v9fs_file_fsync(struct file *filp, loff_t start, loff_t end,
> return retval;
>
> mutex_lock(&inode->i_mutex);
> - P9_DPRINTK(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
> + p9_debug(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
>
> fid = filp->private_data;
> v9fs_blank_wstat(&wstat);
> @@ -575,8 +575,7 @@ int v9fs_file_fsync_dotl(struct file *filp, loff_t start, loff_t end,
> return retval;
>
> mutex_lock(&inode->i_mutex);
> - P9_DPRINTK(P9_DEBUG_VFS, "v9fs_file_fsync_dotl: filp %p datasync %x\n",
> - filp, datasync);
> + p9_debug(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
>
> fid = filp->private_data;
>
> @@ -607,8 +606,8 @@ v9fs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
> struct inode *inode = filp->f_path.dentry->d_inode;
>
>
> - P9_DPRINTK(P9_DEBUG_VFS, "page %p fid %lx\n",
> - page, (unsigned long)filp->private_data);
> + p9_debug(P9_DEBUG_VFS, "page %p fid %lx\n",
> + page, (unsigned long)filp->private_data);
>
> v9inode = V9FS_I(inode);
> /* make sure the cache has finished storing the page */
> diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
> index 879ed88..85c2973 100644
> --- a/fs/9p/vfs_inode.c
> +++ b/fs/9p/vfs_inode.c
> @@ -23,6 +23,8 @@
> *
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/module.h>
> #include <linux/errno.h>
> #include <linux/fs.h>
> @@ -133,9 +135,8 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses,
> res |= S_IFBLK;
> break;
> default:
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "Unknown special type %c %s\n", type,
> - stat->extension);
> + p9_debug(P9_DEBUG_ERROR, "Unknown special type %c %s\n",
> + type, stat->extension);
> };
> *rdev = MKDEV(major, minor);
> } else
> @@ -281,8 +282,8 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
> } else if (v9fs_proto_dotu(v9ses)) {
> inode->i_op = &v9fs_file_inode_operations;
> } else {
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "special files without extended mode\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "special files without extended mode\n");
> err = -EINVAL;
> goto error;
> }
> @@ -307,8 +308,8 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
> break;
> case S_IFLNK:
> if (!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses)) {
> - P9_DPRINTK(P9_DEBUG_ERROR, "extended modes used with "
> - "legacy protocol.\n");
> + p9_debug(P9_DEBUG_ERROR,
> + "extended modes used with legacy protocol\n");
> err = -EINVAL;
> goto error;
> }
> @@ -335,8 +336,8 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
>
> break;
> default:
> - P9_DPRINTK(P9_DEBUG_ERROR, "BAD mode 0x%x S_IFMT 0x%x\n",
> - mode, mode & S_IFMT);
> + p9_debug(P9_DEBUG_ERROR, "BAD mode 0x%x S_IFMT 0x%x\n",
> + mode, mode & S_IFMT);
> err = -EINVAL;
> goto error;
> }
> @@ -358,11 +359,12 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode, dev_t rdev)
> struct inode *inode;
> struct v9fs_session_info *v9ses = sb->s_fs_info;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "super block: %p mode: %o\n", sb, mode);
> + p9_debug(P9_DEBUG_VFS, "super block: %p mode: %o\n", sb, mode);
>
> inode = new_inode(sb);
> if (!inode) {
> - P9_EPRINTK(KERN_WARNING, "Problem allocating inode\n");
> + pr_warn("%s (%d): Problem allocating inode\n",
> + __func__, task_pid_nr(current));
> return ERR_PTR(-ENOMEM);
> }
> err = v9fs_init_inode(v9ses, inode, mode, rdev);
> @@ -578,15 +580,15 @@ static int v9fs_remove(struct inode *dir, struct dentry *dentry, int flags)
> struct p9_fid *v9fid, *dfid;
> struct v9fs_session_info *v9ses;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "inode: %p dentry: %p rmdir: %x\n",
> - dir, dentry, flags);
> + p9_debug(P9_DEBUG_VFS, "inode: %p dentry: %p rmdir: %x\n",
> + dir, dentry, flags);
>
> v9ses = v9fs_inode2v9ses(dir);
> inode = dentry->d_inode;
> dfid = v9fs_fid_lookup(dentry->d_parent);
> if (IS_ERR(dfid)) {
> retval = PTR_ERR(dfid);
> - P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", retval);
> + p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", retval);
> return retval;
> }
> if (v9fs_proto_dotl(v9ses))
> @@ -635,7 +637,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
> struct p9_fid *dfid, *ofid, *fid;
> struct inode *inode;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
>
> err = 0;
> ofid = NULL;
> @@ -644,7 +646,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
> dfid = v9fs_fid_lookup(dentry->d_parent);
> if (IS_ERR(dfid)) {
> err = PTR_ERR(dfid);
> - P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> return ERR_PTR(err);
> }
>
> @@ -652,13 +654,13 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
> ofid = p9_client_walk(dfid, 0, NULL, 1);
> if (IS_ERR(ofid)) {
> err = PTR_ERR(ofid);
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> return ERR_PTR(err);
> }
>
> err = p9_client_fcreate(ofid, name, perm, mode, extension);
> if (err < 0) {
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_fcreate failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_fcreate failed %d\n", err);
> goto error;
> }
>
> @@ -666,7 +668,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
> fid = p9_client_walk(dfid, 1, &name, 1);
> if (IS_ERR(fid)) {
> err = PTR_ERR(fid);
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> fid = NULL;
> goto error;
> }
> @@ -675,7 +677,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
> inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
> if (IS_ERR(inode)) {
> err = PTR_ERR(inode);
> - P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err);
> goto error;
> }
> err = v9fs_fid_add(dentry, fid);
> @@ -793,7 +795,7 @@ static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
> struct p9_fid *fid;
> struct v9fs_session_info *v9ses;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
> err = 0;
> v9ses = v9fs_inode2v9ses(dir);
> perm = unixmode2p9mode(v9ses, mode | S_IFDIR);
> @@ -831,8 +833,8 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
> char *name;
> int result = 0;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "dir: %p dentry: (%s) %p nameidata: %p\n",
> - dir, dentry->d_name.name, dentry, nameidata);
> + p9_debug(P9_DEBUG_VFS, "dir: %p dentry: (%s) %p nameidata: %p\n",
> + dir, dentry->d_name.name, dentry, nameidata);
>
> if (dentry->d_name.len > NAME_MAX)
> return ERR_PTR(-ENAMETOOLONG);
> @@ -938,7 +940,7 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
> struct p9_fid *newdirfid;
> struct p9_wstat wstat;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "\n");
> + p9_debug(P9_DEBUG_VFS, "\n");
> retval = 0;
> old_inode = old_dentry->d_inode;
> new_inode = new_dentry->d_inode;
> @@ -974,8 +976,7 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
> * 9P .u can only handle file rename in the same directory
> */
>
> - P9_DPRINTK(P9_DEBUG_ERROR,
> - "old dir and new dir are different\n");
> + p9_debug(P9_DEBUG_ERROR, "old dir and new dir are different\n");
> retval = -EXDEV;
> goto clunk_newdir;
> }
> @@ -1031,7 +1032,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
> struct p9_fid *fid;
> struct p9_wstat *st;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "dentry: %p\n", dentry);
> + p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
> err = -EPERM;
> v9ses = v9fs_dentry2v9ses(dentry);
> if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
> @@ -1068,7 +1069,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
> struct p9_fid *fid;
> struct p9_wstat wstat;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "\n");
> + p9_debug(P9_DEBUG_VFS, "\n");
> retval = inode_change_ok(dentry->d_inode, iattr);
> if (retval)
> return retval;
> @@ -1213,7 +1214,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
> struct p9_fid *fid;
> struct p9_wstat *st;
>
> - P9_DPRINTK(P9_DEBUG_VFS, " %s\n", dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, " %s\n", dentry->d_name.name);
> retval = -EPERM;
> v9ses = v9fs_dentry2v9ses(dentry);
> fid = v9fs_fid_lookup(dentry);
> @@ -1235,8 +1236,8 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
> /* copy extension buffer into buffer */
> strncpy(buffer, st->extension, buflen);
>
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "%s -> %s (%s)\n", dentry->d_name.name, st->extension, buffer);
> + p9_debug(P9_DEBUG_VFS, "%s -> %s (%s)\n",
> + dentry->d_name.name, st->extension, buffer);
>
> retval = strnlen(buffer, buflen);
> done:
> @@ -1257,7 +1258,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd)
> int len = 0;
> char *link = __getname();
>
> - P9_DPRINTK(P9_DEBUG_VFS, "%s n", dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "%s\n", dentry->d_name.name);
>
> if (!link)
> link = ERR_PTR(-ENOMEM);
> @@ -1288,8 +1289,8 @@ v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
> {
> char *s = nd_get_link(nd);
>
> - P9_DPRINTK(P9_DEBUG_VFS, " %s %s\n", dentry->d_name.name,
> - IS_ERR(s) ? "<error>" : s);
> + p9_debug(P9_DEBUG_VFS, " %s %s\n",
> + dentry->d_name.name, IS_ERR(s) ? "<error>" : s);
> if (!IS_ERR(s))
> __putname(s);
> }
> @@ -1312,7 +1313,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
>
> v9ses = v9fs_inode2v9ses(dir);
> if (!v9fs_proto_dotu(v9ses)) {
> - P9_DPRINTK(P9_DEBUG_ERROR, "not extended\n");
> + p9_debug(P9_DEBUG_ERROR, "not extended\n");
> return -EPERM;
> }
>
> @@ -1340,8 +1341,8 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
> static int
> v9fs_vfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
> {
> - P9_DPRINTK(P9_DEBUG_VFS, " %lu,%s,%s\n", dir->i_ino,
> - dentry->d_name.name, symname);
> + p9_debug(P9_DEBUG_VFS, " %lu,%s,%s\n",
> + dir->i_ino, dentry->d_name.name, symname);
>
> return v9fs_vfs_mkspecial(dir, dentry, S_IFLNK, symname);
> }
> @@ -1362,9 +1363,8 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
> char *name;
> struct p9_fid *oldfid;
>
> - P9_DPRINTK(P9_DEBUG_VFS,
> - " %lu,%s,%s\n", dir->i_ino, dentry->d_name.name,
> - old_dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, " %lu,%s,%s\n",
> + dir->i_ino, dentry->d_name.name, old_dentry->d_name.name);
>
> oldfid = v9fs_fid_clone(old_dentry);
> if (IS_ERR(oldfid))
> @@ -1403,9 +1403,9 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
> int retval;
> char *name;
>
> - P9_DPRINTK(P9_DEBUG_VFS,
> - " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino,
> - dentry->d_name.name, mode, MAJOR(rdev), MINOR(rdev));
> + p9_debug(P9_DEBUG_VFS, " %lu,%s mode: %x MAJOR: %u MINOR: %u\n",
> + dir->i_ino, dentry->d_name.name, mode,
> + MAJOR(rdev), MINOR(rdev));
>
> if (!new_valid_dev(rdev))
> return -EINVAL;
> diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
> index 0b5745e..73488fb 100644
> --- a/fs/9p/vfs_inode_dotl.c
> +++ b/fs/9p/vfs_inode_dotl.c
> @@ -283,13 +283,13 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
> }
>
> name = (char *) dentry->d_name.name;
> - P9_DPRINTK(P9_DEBUG_VFS, "v9fs_vfs_create_dotl: name:%s flags:0x%x "
> - "mode:0x%x\n", name, flags, omode);
> + p9_debug(P9_DEBUG_VFS, "name:%s flags:0x%x mode:0x%x\n",
> + name, flags, omode);
>
> dfid = v9fs_fid_lookup(dentry->d_parent);
> if (IS_ERR(dfid)) {
> err = PTR_ERR(dfid);
> - P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> return err;
> }
>
> @@ -297,7 +297,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
> ofid = p9_client_walk(dfid, 0, NULL, 1);
> if (IS_ERR(ofid)) {
> err = PTR_ERR(ofid);
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> return err;
> }
>
> @@ -307,16 +307,15 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
> /* Update mode based on ACL value */
> err = v9fs_acl_mode(dir, &mode, &dacl, &pacl);
> if (err) {
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "Failed to get acl values in creat %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n",
> + err);
> goto error;
> }
> err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags),
> mode, gid, &qid);
> if (err < 0) {
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "p9_client_open_dotl failed in creat %d\n",
> - err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n",
> + err);
> goto error;
> }
> v9fs_invalidate_inode_attr(dir);
> @@ -325,14 +324,14 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
> fid = p9_client_walk(dfid, 1, &name, 1);
> if (IS_ERR(fid)) {
> err = PTR_ERR(fid);
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
> fid = NULL;
> goto error;
> }
> inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
> if (IS_ERR(inode)) {
> err = PTR_ERR(inode);
> - P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err);
> goto error;
> }
> err = v9fs_fid_add(dentry, fid);
> @@ -408,7 +407,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
> struct dentry *dir_dentry;
> struct posix_acl *dacl = NULL, *pacl = NULL;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
> err = 0;
> v9ses = v9fs_inode2v9ses(dir);
>
> @@ -420,7 +419,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
> dfid = v9fs_fid_lookup(dir_dentry);
> if (IS_ERR(dfid)) {
> err = PTR_ERR(dfid);
> - P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> dfid = NULL;
> goto error;
> }
> @@ -430,8 +429,8 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
> /* Update mode based on ACL value */
> err = v9fs_acl_mode(dir, &mode, &dacl, &pacl);
> if (err) {
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "Failed to get acl values in mkdir %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mkdir %d\n",
> + err);
> goto error;
> }
> name = (char *) dentry->d_name.name;
> @@ -444,8 +443,8 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
> fid = p9_client_walk(dfid, 1, &name, 1);
> if (IS_ERR(fid)) {
> err = PTR_ERR(fid);
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
> - err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
> + err);
> fid = NULL;
> goto error;
> }
> @@ -453,8 +452,8 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
> inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
> if (IS_ERR(inode)) {
> err = PTR_ERR(inode);
> - P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n",
> - err);
> + p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n",
> + err);
> goto error;
> }
> err = v9fs_fid_add(dentry, fid);
> @@ -495,7 +494,7 @@ v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry,
> struct p9_fid *fid;
> struct p9_stat_dotl *st;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "dentry: %p\n", dentry);
> + p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
> err = -EPERM;
> v9ses = v9fs_dentry2v9ses(dentry);
> if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
> @@ -537,7 +536,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
> struct p9_fid *fid;
> struct p9_iattr_dotl p9attr;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "\n");
> + p9_debug(P9_DEBUG_VFS, "\n");
>
> retval = inode_change_ok(dentry->d_inode, iattr);
> if (retval)
> @@ -670,14 +669,13 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
> struct v9fs_session_info *v9ses;
>
> name = (char *) dentry->d_name.name;
> - P9_DPRINTK(P9_DEBUG_VFS, "v9fs_vfs_symlink_dotl : %lu,%s,%s\n",
> - dir->i_ino, name, symname);
> + p9_debug(P9_DEBUG_VFS, "%lu,%s,%s\n", dir->i_ino, name, symname);
> v9ses = v9fs_inode2v9ses(dir);
>
> dfid = v9fs_fid_lookup(dentry->d_parent);
> if (IS_ERR(dfid)) {
> err = PTR_ERR(dfid);
> - P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> return err;
> }
>
> @@ -687,7 +685,7 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
> err = p9_client_symlink(dfid, name, (char *)symname, gid, &qid);
>
> if (err < 0) {
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_symlink failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_symlink failed %d\n", err);
> goto error;
> }
>
> @@ -697,8 +695,8 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
> fid = p9_client_walk(dfid, 1, &name, 1);
> if (IS_ERR(fid)) {
> err = PTR_ERR(fid);
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
> - err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
> + err);
> fid = NULL;
> goto error;
> }
> @@ -707,8 +705,8 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
> inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
> if (IS_ERR(inode)) {
> err = PTR_ERR(inode);
> - P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n",
> - err);
> + p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n",
> + err);
> goto error;
> }
> err = v9fs_fid_add(dentry, fid);
> @@ -751,9 +749,8 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
> struct p9_fid *dfid, *oldfid;
> struct v9fs_session_info *v9ses;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name: %s\n",
> - dir->i_ino, old_dentry->d_name.name,
> - dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name: %s\n",
> + dir->i_ino, old_dentry->d_name.name, dentry->d_name.name);
>
> v9ses = v9fs_inode2v9ses(dir);
> dir_dentry = v9fs_dentry_from_dir_inode(dir);
> @@ -770,7 +767,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
> err = p9_client_link(dfid, oldfid, (char *)dentry->d_name.name);
>
> if (err < 0) {
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_link failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err);
> return err;
> }
>
> @@ -813,9 +810,9 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
> struct dentry *dir_dentry;
> struct posix_acl *dacl = NULL, *pacl = NULL;
>
> - P9_DPRINTK(P9_DEBUG_VFS,
> - " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino,
> - dentry->d_name.name, omode, MAJOR(rdev), MINOR(rdev));
> + p9_debug(P9_DEBUG_VFS, " %lu,%s mode: %x MAJOR: %u MINOR: %u\n",
> + dir->i_ino, dentry->d_name.name, omode,
> + MAJOR(rdev), MINOR(rdev));
>
> if (!new_valid_dev(rdev))
> return -EINVAL;
> @@ -825,7 +822,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
> dfid = v9fs_fid_lookup(dir_dentry);
> if (IS_ERR(dfid)) {
> err = PTR_ERR(dfid);
> - P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
> dfid = NULL;
> goto error;
> }
> @@ -835,8 +832,8 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
> /* Update mode based on ACL value */
> err = v9fs_acl_mode(dir, &mode, &dacl, &pacl);
> if (err) {
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "Failed to get acl values in mknod %d\n", err);
> + p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mknod %d\n",
> + err);
> goto error;
> }
> name = (char *) dentry->d_name.name;
> @@ -851,8 +848,8 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
> fid = p9_client_walk(dfid, 1, &name, 1);
> if (IS_ERR(fid)) {
> err = PTR_ERR(fid);
> - P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
> - err);
> + p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
> + err);
> fid = NULL;
> goto error;
> }
> @@ -860,8 +857,8 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
> inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
> if (IS_ERR(inode)) {
> err = PTR_ERR(inode);
> - P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n",
> - err);
> + p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n",
> + err);
> goto error;
> }
> err = v9fs_fid_add(dentry, fid);
> @@ -905,7 +902,7 @@ v9fs_vfs_follow_link_dotl(struct dentry *dentry, struct nameidata *nd)
> char *link = __getname();
> char *target;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "%s\n", dentry->d_name.name);
> + p9_debug(P9_DEBUG_VFS, "%s\n", dentry->d_name.name);
>
> if (!link) {
> link = ERR_PTR(-ENOMEM);
> diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
> index c70251d..06d19735 100644
> --- a/fs/9p/vfs_super.c
> +++ b/fs/9p/vfs_super.c
> @@ -121,7 +121,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
> struct p9_fid *fid;
> int retval = 0;
>
> - P9_DPRINTK(P9_DEBUG_VFS, " \n");
> + p9_debug(P9_DEBUG_VFS, "\n");
>
> v9ses = kzalloc(sizeof(struct v9fs_session_info), GFP_KERNEL);
> if (!v9ses)
> @@ -191,7 +191,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
> goto release_sb;
> v9fs_fid_add(root, fid);
>
> - P9_DPRINTK(P9_DEBUG_VFS, " simple set mount, return 0\n");
> + p9_debug(P9_DEBUG_VFS, " simple set mount, return 0\n");
> return dget(sb->s_root);
>
> clunk_fid:
> @@ -223,7 +223,7 @@ static void v9fs_kill_super(struct super_block *s)
> {
> struct v9fs_session_info *v9ses = s->s_fs_info;
>
> - P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s);
> + p9_debug(P9_DEBUG_VFS, " %p\n", s);
>
> kill_anon_super(s);
>
> @@ -231,7 +231,7 @@ static void v9fs_kill_super(struct super_block *s)
> v9fs_session_close(v9ses);
> kfree(v9ses);
> s->s_fs_info = NULL;
> - P9_DPRINTK(P9_DEBUG_VFS, "exiting kill_super\n");
> + p9_debug(P9_DEBUG_VFS, "exiting kill_super\n");
> }
>
> static void
> @@ -303,7 +303,7 @@ static int v9fs_write_inode(struct inode *inode,
> * send an fsync request to server irrespective of
> * wbc->sync_mode.
> */
> - P9_DPRINTK(P9_DEBUG_VFS, "%s: inode %p\n", __func__, inode);
> + p9_debug(P9_DEBUG_VFS, "%s: inode %p\n", __func__, inode);
> v9inode = V9FS_I(inode);
> if (!v9inode->writeback_fid)
> return 0;
> @@ -326,7 +326,7 @@ static int v9fs_write_inode_dotl(struct inode *inode,
> * send an fsync request to server irrespective of
> * wbc->sync_mode.
> */
> - P9_DPRINTK(P9_DEBUG_VFS, "%s: inode %p\n", __func__, inode);
> + p9_debug(P9_DEBUG_VFS, "%s: inode %p\n", __func__, inode);
> v9inode = V9FS_I(inode);
> if (!v9inode->writeback_fid)
> return 0;
> diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
> index d288773..29653b7 100644
> --- a/fs/9p/xattr.c
> +++ b/fs/9p/xattr.c
> @@ -32,8 +32,8 @@ ssize_t v9fs_fid_xattr_get(struct p9_fid *fid, const char *name,
> attr_fid = p9_client_xattrwalk(fid, name, &attr_size);
> if (IS_ERR(attr_fid)) {
> retval = PTR_ERR(attr_fid);
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "p9_client_attrwalk failed %zd\n", retval);
> + p9_debug(P9_DEBUG_VFS, "p9_client_attrwalk failed %zd\n",
> + retval);
> attr_fid = NULL;
> goto error;
> }
> @@ -87,8 +87,8 @@ ssize_t v9fs_xattr_get(struct dentry *dentry, const char *name,
> {
> struct p9_fid *fid;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "%s: name = %s value_len = %zu\n",
> - __func__, name, buffer_size);
> + p9_debug(P9_DEBUG_VFS, "name = %s value_len = %zu\n",
> + name, buffer_size);
> fid = v9fs_fid_lookup(dentry);
> if (IS_ERR(fid))
> return PTR_ERR(fid);
> @@ -115,8 +115,8 @@ int v9fs_xattr_set(struct dentry *dentry, const char *name,
> int retval, msize, write_count;
> struct p9_fid *fid = NULL;
>
> - P9_DPRINTK(P9_DEBUG_VFS, "%s: name = %s value_len = %zu flags = %d\n",
> - __func__, name, value_len, flags);
> + p9_debug(P9_DEBUG_VFS, "name = %s value_len = %zu flags = %d\n",
> + name, value_len, flags);
>
> fid = v9fs_fid_clone(dentry);
> if (IS_ERR(fid)) {
> @@ -129,8 +129,8 @@ int v9fs_xattr_set(struct dentry *dentry, const char *name,
> */
> retval = p9_client_xattrcreate(fid, name, value_len, flags);
> if (retval < 0) {
> - P9_DPRINTK(P9_DEBUG_VFS,
> - "p9_client_xattrcreate failed %d\n", retval);
> + p9_debug(P9_DEBUG_VFS, "p9_client_xattrcreate failed %d\n",
> + retval);
> goto error;
> }
> msize = fid->clnt->msize;
> diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
> index 2d70b95..7184853 100644
> --- a/include/net/9p/9p.h
> +++ b/include/net/9p/9p.h
> @@ -63,30 +63,16 @@ enum p9_debug_flags {
>
> #ifdef CONFIG_NET_9P_DEBUG
> extern unsigned int p9_debug_level;
> -
> -#define P9_DPRINTK(level, format, arg...) \
> -do { \
> - if ((p9_debug_level & level) == level) {\
> - if (level == P9_DEBUG_9P) \
> - printk(KERN_NOTICE "(%8.8d) " \
> - format , task_pid_nr(current) , ## arg); \
> - else \
> - printk(KERN_NOTICE "-- %s (%d): " \
> - format , __func__, task_pid_nr(current) , ## arg); \
> - } \
> -} while (0)
> -
> +__printf(3, 4)
> +void _p9_debug(enum p9_debug_flags level, const char *func,
> + const char *fmt, ...);
> +#define p9_debug(level, fmt, ...) \
> + _p9_debug(level, __func__, fmt, ##__VA_ARGS__)
> #else
> -#define P9_DPRINTK(level, format, arg...) do { } while (0)
> +#define p9_debug(level, fmt, ...) \
> + no_printk(fmt, ##__VA_ARGS__)
> #endif
>
> -
> -#define P9_EPRINTK(level, format, arg...) \
> -do { \
> - printk(level "9p: %s (%d): " \
> - format , __func__, task_pid_nr(current), ## arg); \
> -} while (0)
> -
> /**
> * enum p9_msg_t - 9P message types
> * @P9_TLERROR: not used
>
>
>
--
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