GFS2: Use pr_<level> more consistently

Add pr_fmt, remove embedded "GFS2: " prefixes.
This now consistently emits lower case "gfs2: " for each message.

Other miscellanea around these changes:

o Add missing newlines
o Coalesce formats
o Realign arguments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

12 files changed, 88 insertions, 71 deletions

diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 39c7081e4c12..1a349f9a9685 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -53,6 +53,8 @@
  * but never before the maximum hash table size has been reached.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/buffer_head.h>
@@ -507,8 +509,8 @@ static int gfs2_check_dirent(struct gfs2_dirent *dent, unsigned int offset,
                 goto error;
         return 0;
 error:
-        pr_warn("gfs2_check_dirent: %s (%s)\n", msg,
-               first ? "first in block" : "not first in block");
+        pr_warn("%s: %s (%s)\n",
+                __func__, msg, first ? "first in block" : "not first in block");
         return -EIO;
 }
 
@@ -531,8 +533,7 @@ static int gfs2_dirent_offset(const void *buf)
         }
         return offset;
 wrong_type:
-        pr_warn("gfs2_scan_dirent: wrong block type %u\n",
-                be32_to_cpu(h->mh_type));
+        pr_warn("%s: wrong block type %u\n", __func__, be32_to_cpu(h->mh_type));
         return -1;
 }
 
@@ -728,7 +729,7 @@ static int get_leaf(struct gfs2_inode *dip, u64 leaf_no,
 
         error = gfs2_meta_read(dip->i_gl, leaf_no, DIO_WAIT, bhp);
         if (!error && gfs2_metatype_check(GFS2_SB(&dip->i_inode), *bhp, GFS2_METATYPE_LF)) {
-                /* printk(KERN_INFO "block num=%llu\n", leaf_no); */
+                /* pr_info("block num=%llu\n", leaf_no); */
                 error = -EIO;
         }
 
@@ -1006,7 +1007,8 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name)
         len = 1 << (dip->i_depth - be16_to_cpu(oleaf->lf_depth));
         half_len = len >> 1;
         if (!half_len) {
-                pr_warn("i_depth %u lf_depth %u index %u\n", dip->i_depth, be16_to_cpu(oleaf->lf_depth), index);
+                pr_warn("i_depth %u lf_depth %u index %u\n",
+                        dip->i_depth, be16_to_cpu(oleaf->lf_depth), index);
                 gfs2_consist_inode(dip);
                 error = -EIO;
                 goto fail_brelse;
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 329dc801df4e..52f747858f55 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
@@ -468,7 +470,7 @@ retry:
                         do_xmote(gl, gh, LM_ST_UNLOCKED);
                         break;
                 default: /* Everything else */
-                        pr_err("GFS2: wanted %u got %u\n", gl->gl_target, state);
+                        pr_err("wanted %u got %u\n", gl->gl_target, state);
                         GLOCK_BUG_ON(gl, 1);
                 }
                 spin_unlock(&gl->gl_spin);
@@ -542,7 +544,7 @@ __acquires(&gl->gl_spin)
                 /* lock_dlm */
                 ret = sdp->sd_lockstruct.ls_ops->lm_lock(gl, target, lck_flags);
                 if (ret) {
-                        pr_err("GFS2: lm_lock ret %d\n", ret);
+                        pr_err("lm_lock ret %d\n", ret);
                         GLOCK_BUG_ON(gl, 1);
                 }
         } else { /* lock_nolock */
@@ -935,7 +937,7 @@ void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...)
                 vaf.fmt = fmt;
                 vaf.va = &args;
 
-                pr_err(" %pV", &vaf);
+                pr_err("%pV", &vaf);
         }
 
         va_end(args);
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index a664dddd91b1..c1eb555dc588 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/fs.h>
 #include <linux/dlm.h>
 #include <linux/slab.h>
@@ -176,7 +178,7 @@ static void gdlm_bast(void *arg, int mode)
                 gfs2_glock_cb(gl, LM_ST_SHARED);
                 break;
         default:
-                pr_err("unknown bast mode %d", mode);
+                pr_err("unknown bast mode %d\n", mode);
                 BUG();
         }
 }
@@ -195,7 +197,7 @@ static int make_mode(const unsigned int lmstate)
         case LM_ST_SHARED:
                 return DLM_LOCK_PR;
         }
-        pr_err("unknown LM state %d", lmstate);
+        pr_err("unknown LM state %d\n", lmstate);
         BUG();
         return -1;
 }
@@ -308,7 +310,8 @@ static void gdlm_put_lock(struct gfs2_glock *gl)
         error = dlm_unlock(ls->ls_dlm, gl->gl_lksb.sb_lkid, DLM_LKF_VALBLK,
                            NULL, gl);
         if (error) {
-                pr_err("gdlm_unlock %x,%llx err=%d\n", gl->gl_name.ln_type,
+                pr_err("gdlm_unlock %x,%llx err=%d\n",
+                       gl->gl_name.ln_type,
                        (unsigned long long)gl->gl_name.ln_number, error);
                 return;
         }
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index ae9b02bb193a..82b6ac829656 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/completion.h>
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index ea9c35cae757..fba74a26a6a3 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
@@ -150,7 +152,7 @@ static int gfs2_check_sb(struct gfs2_sbd *sdp, int silent)
         if (sb->sb_magic != GFS2_MAGIC ||
             sb->sb_type != GFS2_METATYPE_SB) {
                 if (!silent)
-                        pr_warn("GFS2: not a GFS2 filesystem\n");
+                        pr_warn("not a GFS2 filesystem\n");
                 return -EINVAL;
         }
 
@@ -172,7 +174,7 @@ static void end_bio_io_page(struct bio *bio, int error)
         if (!error)
                 SetPageUptodate(page);
         else
-                pr_warn("gfs2: error %d reading superblock\n", error);
+                pr_warn("error %d reading superblock\n", error);
         unlock_page(page);
 }
 
@@ -945,7 +947,7 @@ static int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent)
                 lm = &gfs2_dlm_ops;
 #endif
         } else {
-                pr_info("GFS2: can't find protocol %s\n", proto);
+                pr_info("can't find protocol %s\n", proto);
                 return -ENOENT;
         }
 
@@ -1052,7 +1054,7 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
 
         sdp = init_sbd(sb);
         if (!sdp) {
-                pr_warn("GFS2: can't alloc struct gfs2_sbd\n");
+                pr_warn("can't alloc struct gfs2_sbd\n");
                 return -ENOMEM;
         }
         sdp->sd_args = *args;
@@ -1300,7 +1302,7 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags,
 
         error = gfs2_mount_args(&args, data);
         if (error) {
-                pr_warn("GFS2: can't parse mount arguments\n");
+                pr_warn("can't parse mount arguments\n");
                 goto error_super;
         }
 
@@ -1350,15 +1352,15 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type,
 
         error = kern_path(dev_name, LOOKUP_FOLLOW, &path);
         if (error) {
-                pr_warn("GFS2: path_lookup on %s returned error %d\n",
-                       dev_name, error);
+                pr_warn("path_lookup on %s returned error %d\n",
+                        dev_name, error);
                 return ERR_PTR(error);
         }
         s = sget(&gfs2_fs_type, test_gfs2_super, set_meta_super, flags,
                  path.dentry->d_inode->i_sb->s_bdev);
         path_put(&path);
         if (IS_ERR(s)) {
-                pr_warn("GFS2: gfs2 mount does not exist\n");
+                pr_warn("gfs2 mount does not exist\n");
                 return ERR_CAST(s);
         }
         if ((flags ^ s->s_flags) & MS_RDONLY) {
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 6e25ee490e3b..73ed92535c8a 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -36,6 +36,8 @@
  * the quota file, so it is not being constantly read.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
@@ -1081,10 +1083,10 @@ static int print_message(struct gfs2_quota_data *qd, char *type)
 {
         struct gfs2_sbd *sdp = qd->qd_gl->gl_sbd;
 
-        pr_info("GFS2: fsid=%s: quota %s for %s %u\n",
-               sdp->sd_fsname, type,
-               (qd->qd_id.type == USRQUOTA) ? "user" : "group",
-               from_kqid(&init_user_ns, qd->qd_id));
+        pr_info("fsid=%s: quota %s for %s %u\n",
+                sdp->sd_fsname, type,
+                (qd->qd_id.type == USRQUOTA) ? "user" : "group",
+                from_kqid(&init_user_ns, qd->qd_id));
 
         return 0;
 }
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 8d120386bb79..281a7716e3f3 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/completion.h>
@@ -99,12 +101,12 @@ static inline void gfs2_setbit(const struct gfs2_rbm *rbm, bool do_clone,
         cur_state = (*byte1 >> bit) & GFS2_BIT_MASK;
 
         if (unlikely(!valid_change[new_state * 4 + cur_state])) {
-                pr_warn("GFS2: buf_blk = 0x%x old_state=%d, "
-                       "new_state=%d\n", rbm->offset, cur_state, new_state);
-                pr_warn("GFS2: rgrp=0x%llx bi_start=0x%x\n",
-                       (unsigned long long)rbm->rgd->rd_addr, bi->bi_start);
-                pr_warn("GFS2: bi_offset=0x%x bi_len=0x%x\n",
-                       bi->bi_offset, bi->bi_len);
+                pr_warn("buf_blk = 0x%x old_state=%d, new_state=%d\n",
+                        rbm->offset, cur_state, new_state);
+                pr_warn("rgrp=0x%llx bi_start=0x%x\n",
+                        (unsigned long long)rbm->rgd->rd_addr, bi->bi_start);
+                pr_warn("bi_offset=0x%x bi_len=0x%x\n",
+                        bi->bi_offset, bi->bi_len);
                 dump_stack();
                 gfs2_consist_rgrpd(rbm->rgd);
                 return;
@@ -736,11 +738,11 @@ void gfs2_clear_rgrpd(struct gfs2_sbd *sdp)
 
 static void gfs2_rindex_print(const struct gfs2_rgrpd *rgd)
 {
-        pr_info("  ri_addr = %llu\n", (unsigned long long)rgd->rd_addr);
-        pr_info("  ri_length = %u\n", rgd->rd_length);
-        pr_info("  ri_data0 = %llu\n", (unsigned long long)rgd->rd_data0);
-        pr_info("  ri_data = %u\n", rgd->rd_data);
-        pr_info("  ri_bitbytes = %u\n", rgd->rd_bitbytes);
+        pr_info("ri_addr = %llu\n", (unsigned long long)rgd->rd_addr);
+        pr_info("ri_length = %u\n", rgd->rd_length);
+        pr_info("ri_data0 = %llu\n", (unsigned long long)rgd->rd_data0);
+        pr_info("ri_data = %u\n", rgd->rd_data);
+        pr_info("ri_bitbytes = %u\n", rgd->rd_bitbytes);
 }
 
 /**
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 584c757569a5..a08c66e270bf 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/bio.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
@@ -175,8 +177,7 @@ int gfs2_mount_args(struct gfs2_args *args, char *options)
                         break;
                 case Opt_debug:
                         if (args->ar_errors == GFS2_ERRORS_PANIC) {
-                                pr_warn("GFS2: -o debug and -o errors=panic "
-                                       "are mutually exclusive.\n");
+                                pr_warn("-o debug and -o errors=panic are mutually exclusive\n");
                                 return -EINVAL;
                         }
                         args->ar_debug = 1;
@@ -228,21 +229,21 @@ int gfs2_mount_args(struct gfs2_args *args, char *options)
                 case Opt_commit:
                         rv = match_int(&tmp[0], &args->ar_commit);
                         if (rv || args->ar_commit <= 0) {
-                                pr_warn("GFS2: commit mount option requires a positive numeric argument\n");
+                                pr_warn("commit mount option requires a positive numeric argument\n");
                                 return rv ? rv : -EINVAL;
                         }
                         break;
                 case Opt_statfs_quantum:
                         rv = match_int(&tmp[0], &args->ar_statfs_quantum);
                         if (rv || args->ar_statfs_quantum < 0) {
-                                pr_warn("GFS2: statfs_quantum mount option requires a non-negative numeric argument\n");
+                                pr_warn("statfs_quantum mount option requires a non-negative numeric argument\n");
                                 return rv ? rv : -EINVAL;
                         }
                         break;
                 case Opt_quota_quantum:
                         rv = match_int(&tmp[0], &args->ar_quota_quantum);
                         if (rv || args->ar_quota_quantum <= 0) {
-                                pr_warn("GFS2: quota_quantum mount option requires a positive numeric argument\n");
+                                pr_warn("quota_quantum mount option requires a positive numeric argument\n");
                                 return rv ? rv : -EINVAL;
                         }
                         break;
@@ -259,8 +260,7 @@ int gfs2_mount_args(struct gfs2_args *args, char *options)
                         break;
                 case Opt_err_panic:
                         if (args->ar_debug) {
-                                pr_warn("GFS2: -o debug and -o errors=panic "
-                                        "are mutually exclusive.\n");
+                                pr_warn("-o debug and -o errors=panic are mutually exclusive\n");
                                 return -EINVAL;
                         }
                         args->ar_errors = GFS2_ERRORS_PANIC;
@@ -279,7 +279,7 @@ int gfs2_mount_args(struct gfs2_args *args, char *options)
                         break;
                 case Opt_error:
                 default:
-                        pr_warn("GFS2: invalid mount option: %s\n", o);
+                        pr_warn("invalid mount option: %s\n", o);
                         return -EINVAL;
                 }
         }
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index d09f6edda0ff..256354cba4dd 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/completion.h>
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 3fe8e34a9f5c..bead90d27bad 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
@@ -99,13 +101,13 @@ static void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks)
 
 static void gfs2_print_trans(const struct gfs2_trans *tr)
 {
-        pr_warn("GFS2: Transaction created at: %pSR\n", (void *)tr->tr_ip);
-        pr_warn("GFS2: blocks=%u revokes=%u reserved=%u touched=%u\n",
-               tr->tr_blocks, tr->tr_revokes, tr->tr_reserved, tr->tr_touched);
-        pr_warn("GFS2: Buf %u/%u Databuf %u/%u Revoke %u/%u\n",
-               tr->tr_num_buf_new, tr->tr_num_buf_rm,
-               tr->tr_num_databuf_new, tr->tr_num_databuf_rm,
-               tr->tr_num_revoke, tr->tr_num_revoke_rm);
+        pr_warn("Transaction created at: %pSR\n", (void *)tr->tr_ip);
+        pr_warn("blocks=%u revokes=%u reserved=%u touched=%u\n",
+                tr->tr_blocks, tr->tr_revokes, tr->tr_reserved, tr->tr_touched);
+        pr_warn("Buf %u/%u Databuf %u/%u Revoke %u/%u\n",
+                tr->tr_num_buf_new, tr->tr_num_buf_rm,
+                tr->tr_num_databuf_new, tr->tr_num_databuf_rm,
+                tr->tr_num_revoke, tr->tr_num_revoke_rm);
 }
 
 void gfs2_trans_end(struct gfs2_sbd *sdp)
@@ -231,8 +233,7 @@ static void meta_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
         set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
         mh = (struct gfs2_meta_header *)bd->bd_bh->b_data;
         if (unlikely(mh->mh_magic != cpu_to_be32(GFS2_MAGIC))) {
-                pr_err("Attempting to add uninitialised block to journal "
-                       "(inplace block=%lld)\n",
+                pr_err("Attempting to add uninitialised block to journal (inplace block=%lld)\n",
                        (unsigned long long)bd->bd_bh->b_blocknr);
                 BUG();
         }
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index e9d700194015..02fb38db9d19 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -7,6 +7,8 @@
  * of the GNU General Public License version 2.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/spinlock.h>
 #include <linux/completion.h>
 #include <linux/buffer_head.h>
@@ -30,7 +32,7 @@ mempool_t *gfs2_page_pool __read_mostly;
 
 void gfs2_assert_i(struct gfs2_sbd *sdp)
 {
-        pr_emerg("GFS2: fsid=%s: fatal assertion failed\n", sdp->sd_fsname);
+        pr_emerg("fsid=%s: fatal assertion failed\n", sdp->sd_fsname);
 }
 
 int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
@@ -65,7 +67,7 @@ int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
         }
 
         if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)
-                panic("GFS2: fsid=%s: panic requested.\n", sdp->sd_fsname);
+                panic("GFS2: fsid=%s: panic requested\n", sdp->sd_fsname);
 
         return -1;
 }
@@ -104,10 +106,8 @@ int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
                 return -2;
 
         if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW)
-                pr_warn("GFS2: fsid=%s: warning: assertion \"%s\" failed\n"
-                       "GFS2: fsid=%s:   function = %s, file = %s, line = %u\n",
-                       sdp->sd_fsname, assertion,
-                       sdp->sd_fsname, function, file, line);
+                pr_warn("fsid=%s: warning: assertion \"%s\" failed at function = %s, file = %s, line = %u\n",
+                        sdp->sd_fsname, assertion, function, file, line);
 
         if (sdp->sd_args.ar_debug)
                 BUG();
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
index b7ffb09b99ea..d365733744d7 100644
--- a/fs/gfs2/util.h
+++ b/fs/gfs2/util.h
@@ -10,22 +10,21 @@
 #ifndef __UTIL_DOT_H__
 #define __UTIL_DOT_H__
 
+#ifdef pr_fmt
+#undef pr_fmt
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#endif
+
 #include <linux/mempool.h>
 
 #include "incore.h"
 
-#define fs_printk(level, fs, fmt, arg...) \
-        printk(level "GFS2: fsid=%s: " fmt , (fs)->sd_fsname , ## arg)
-
-#define fs_info(fs, fmt, arg...) \
-        fs_printk(KERN_INFO , fs , fmt , ## arg)
-
-#define fs_warn(fs, fmt, arg...) \
-        fs_printk(KERN_WARNING , fs , fmt , ## arg)
-
-#define fs_err(fs, fmt, arg...) \
-        fs_printk(KERN_ERR, fs , fmt , ## arg)
-
+#define fs_warn(fs, fmt, ...)                                           \
+        pr_warn("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
+#define fs_err(fs, fmt, ...)                                            \
+        pr_err("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
+#define fs_info(fs, fmt, ...)                                           \
+        pr_info("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
 
 void gfs2_assert_i(struct gfs2_sbd *sdp);
 
@@ -85,7 +84,7 @@ static inline int gfs2_meta_check(struct gfs2_sbd *sdp,
         struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
         u32 magic = be32_to_cpu(mh->mh_magic);
         if (unlikely(magic != GFS2_MAGIC)) {
-                printk(KERN_ERR "GFS2: Magic number missing at %llu\n",
+                pr_err("Magic number missing at %llu\n",
                        (unsigned long long)bh->b_blocknr);
                 return -EIO;
         }