Re: [PATCH 1/1] Fix of coding style

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On 1/26/15 10:24 AM, Jan Mrazek wrote:
> - multiline strings changed to singleline (so it can be greped)

Thereby blowing past 80 columns in many cases, something we generally
don't like to do, per Documentation/CodingStyle:

> The limit on the length of lines is 80 columns and this is a strongly
> preferred limit.

I'm not so sure about the grep-ability value, because nobody's going to
grep for "...%s): %s:%d: inode #%lu: ..." anyway...

but if it's really deemed desirable to keep these strings on one line,
we could do i.e.:

> +			printk(KERN_CRIT
> +"EXT4-fs error (device %s): %s:%d: inode #%lu: block %llu: comm %s: %pV\n",
>  			       inode->i_sb->s_id, function, line, inode->i_ino,
>  			       block, current->comm, &vaf)

which is a trick the xfs code uses in some places.

-Eric

> Signed-off-by: Jan Mrazek <email@xxxxxxxxxxxxxx>
> ---
>  fs/ext4/super.c | 378 ++++++++++++++++++++++++++------------------------------
>  1 file changed, 172 insertions(+), 206 deletions(-)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 496214d..a58ff53 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -438,13 +438,11 @@ void __ext4_error_inode(struct inode *inode, const char *function,
>  		vaf.fmt = fmt;
>  		vaf.va = &args;
>  		if (block)
> -			printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: "
> -			       "inode #%lu: block %llu: comm %s: %pV\n",
> +			printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: inode #%lu: block %llu: comm %s: %pV\n",
>  			       inode->i_sb->s_id, function, line, inode->i_ino,
>  			       block, current->comm, &vaf);
>  		else
> -			printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: "
> -			       "inode #%lu: comm %s: %pV\n",
> +			printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: inode #%lu: comm %s: %pV\n",
>  			       inode->i_sb->s_id, function, line, inode->i_ino,
>  			       current->comm, &vaf);
>  		va_end(args);
> @@ -474,14 +472,12 @@ void __ext4_error_file(struct file *file, const char *function,
>  		vaf.va = &args;
>  		if (block)
>  			printk(KERN_CRIT
> -			       "EXT4-fs error (device %s): %s:%d: inode #%lu: "
> -			       "block %llu: comm %s: path %s: %pV\n",
> +			       "EXT4-fs error (device %s): %s:%d: inode #%lu: block %llu: comm %s: path %s: %pV\n",
>  			       inode->i_sb->s_id, function, line, inode->i_ino,
>  			       block, current->comm, path, &vaf);
>  		else
>  			printk(KERN_CRIT
> -			       "EXT4-fs error (device %s): %s:%d: inode #%lu: "
> -			       "comm %s: path %s: %pV\n",
> +			       "EXT4-fs error (device %s): %s:%d: inode #%lu: comm %s: path %s: %pV\n",
>  			       inode->i_sb->s_id, function, line, inode->i_ino,
>  			       current->comm, path, &vaf);
>  		va_end(args);
> @@ -673,7 +669,6 @@ __acquires(bitlock)
>  	 * more appropriate error code.
>  	 */
>  	ext4_lock_group(sb, grp);
> -	return;
>  }
>  
>  void ext4_update_dynamic_rev(struct super_block *sb)
> @@ -684,8 +679,7 @@ void ext4_update_dynamic_rev(struct super_block *sb)
>  		return;
>  
>  	ext4_warning(sb,
> -		     "updating to rev %d because of new feature flag, "
> -		     "running e2fsck is recommended",
> +		     "updating to rev %d because of new feature flag, running e2fsck is recommended",
>  		     EXT4_DYNAMIC_REV);
>  
>  	es->s_first_ino = cpu_to_le32(EXT4_GOOD_OLD_FIRST_INO);
> @@ -731,6 +725,7 @@ static void ext4_blkdev_put(struct block_device *bdev)
>  static void ext4_blkdev_remove(struct ext4_sb_info *sbi)
>  {
>  	struct block_device *bdev;
> +
>  	bdev = sbi->journal_bdev;
>  	if (bdev) {
>  		ext4_blkdev_put(bdev);
> @@ -753,8 +748,8 @@ static void dump_orphan_list(struct super_block *sb, struct ext4_sb_info *sbi)
>  	printk(KERN_ERR "sb_info orphan list:\n");
>  	list_for_each(l, &sbi->s_orphan) {
>  		struct inode *inode = orphan_list_entry(l);
> -		printk(KERN_ERR "  "
> -		       "inode %s:%lu at %p: mode %o, nlink %d, next %d\n",
> +
> +		printk(KERN_ERR "  inode %s:%lu at %p: mode %o, nlink %d, next %d\n",
>  		       inode->i_sb->s_id, inode->i_ino, inode,
>  		       inode->i_mode, inode->i_nlink,
>  		       NEXT_ORPHAN(inode));
> @@ -908,6 +903,7 @@ static int ext4_drop_inode(struct inode *inode)
>  static void ext4_i_callback(struct rcu_head *head)
>  {
>  	struct inode *inode = container_of(head, struct inode, i_rcu);
> +
>  	kmem_cache_free(ext4_inode_cachep, EXT4_I(inode));
>  }
>  
> @@ -1269,13 +1265,12 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
>  	if (sb_any_quota_loaded(sb) &&
>  		!sbi->s_qf_names[qtype]) {
>  		ext4_msg(sb, KERN_ERR,
> -			"Cannot change journaled "
> -			"quota options when quota turned on");
> +			"Cannot change journaled quota options when quota turned on");
>  		return -1;
>  	}
>  	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA)) {
> -		ext4_msg(sb, KERN_ERR, "Cannot set journaled quota options "
> -			 "when QUOTA feature is enabled");
> +		ext4_msg(sb, KERN_ERR,
> +			"Cannot set journaled quota options when QUOTA feature is enabled");
>  		return -1;
>  	}
>  	qname = match_strdup(args);
> @@ -1313,8 +1308,8 @@ static int clear_qf_name(struct super_block *sb, int qtype)
>  
>  	if (sb_any_quota_loaded(sb) &&
>  		sbi->s_qf_names[qtype]) {
> -		ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options"
> -			" when quota turned on");
> +		ext4_msg(sb, KERN_ERR,
> +			"Cannot change journaled quota options when quota turned on");
>  		return -1;
>  	}
>  	kfree(sbi->s_qf_names[qtype]);
> @@ -1477,8 +1472,9 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  			break;
>  
>  	if (m->token == Opt_err) {
> -		ext4_msg(sb, KERN_ERR, "Unrecognized mount option \"%s\" "
> -			 "or missing value", opt);
> +		ext4_msg(sb, KERN_ERR,
> +			 "Unrecognized mount option \"%s\" or missing value",
> +			 opt);
>  		return -1;
>  	}
>  
> @@ -1502,8 +1498,7 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  	if (m->flags & MOPT_CLEAR_ERR)
>  		clear_opt(sb, ERRORS_MASK);
>  	if (token == Opt_noquota && sb_any_quota_loaded(sb)) {
> -		ext4_msg(sb, KERN_ERR, "Cannot change quota "
> -			 "options when quota turned on");
> +		ext4_msg(sb, KERN_ERR, "Cannot change quota options when quota turned on");
>  		return -1;
>  	}
>  
> @@ -1520,8 +1515,7 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  	} else if (token == Opt_inode_readahead_blks) {
>  		if (arg && (arg > (1 << 30) || !is_power_of_2(arg))) {
>  			ext4_msg(sb, KERN_ERR,
> -				 "EXT4-fs: inode_readahead_blks must be "
> -				 "0 or a power of 2 smaller than 2^31");
> +				 "EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31");
>  			return -1;
>  		}
>  		sbi->s_inode_readahead_blks = arg;
> @@ -1568,23 +1562,23 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  		}
>  		journal_path = match_strdup(&args[0]);
>  		if (!journal_path) {
> -			ext4_msg(sb, KERN_ERR, "error: could not dup "
> -				"journal device string");
> +			ext4_msg(sb, KERN_ERR,
> +				"error: could not dup journal device string");
>  			return -1;
>  		}
>  
>  		error = kern_path(journal_path, LOOKUP_FOLLOW, &path);
>  		if (error) {
> -			ext4_msg(sb, KERN_ERR, "error: could not find "
> -				"journal device path: error %d", error);
> +			ext4_msg(sb, KERN_ERR,
> +				"error: could not find journal device path: error %d", error);
>  			kfree(journal_path);
>  			return -1;
>  		}
>  
>  		journal_inode = path.dentry->d_inode;
>  		if (!S_ISBLK(journal_inode->i_mode)) {
> -			ext4_msg(sb, KERN_ERR, "error: journal path %s "
> -				"is not a block device", journal_path);
> +			ext4_msg(sb, KERN_ERR,
> +				"error: journal path %s is not a block device", journal_path);
>  			path_put(&path);
>  			kfree(journal_path);
>  			return -1;
> @@ -1595,8 +1589,8 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  		kfree(journal_path);
>  	} else if (token == Opt_journal_ioprio) {
>  		if (arg > 7) {
> -			ext4_msg(sb, KERN_ERR, "Invalid journal IO priority"
> -				 " (must be 0-7)");
> +			ext4_msg(sb, KERN_ERR,
> +				"Invalid journal IO priority (must be 0-7)");
>  			return -1;
>  		}
>  		*journal_ioprio =
> @@ -1604,7 +1598,8 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  	} else if (m->flags & MOPT_DATAJ) {
>  		if (is_remount) {
>  			if (!sbi->s_journal)
> -				ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option");
> +				ext4_msg(sb, KERN_WARNING,
> +					"Remounting file system with no journal so ignoring journalled data option");
>  			else if (test_opt(sb, DATA_FLAGS) != m->mount_opt) {
>  				ext4_msg(sb, KERN_ERR,
>  					 "Cannot change data mode on remount");
> @@ -1618,15 +1613,14 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  	} else if (m->flags & MOPT_QFMT) {
>  		if (sb_any_quota_loaded(sb) &&
>  		    sbi->s_jquota_fmt != m->mount_opt) {
> -			ext4_msg(sb, KERN_ERR, "Cannot change journaled "
> -				 "quota options when quota turned on");
> +			ext4_msg(sb, KERN_ERR,
> +				"Cannot change journaled quota options when quota turned on");
>  			return -1;
>  		}
>  		if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
>  					       EXT4_FEATURE_RO_COMPAT_QUOTA)) {
>  			ext4_msg(sb, KERN_ERR,
> -				 "Cannot set journaled quota options "
> -				 "when QUOTA feature is enabled");
> +				 "Cannot set journaled quota options when QUOTA feature is enabled");
>  			return -1;
>  		}
>  		sbi->s_jquota_fmt = m->mount_opt;
> @@ -1684,8 +1678,8 @@ static int parse_options(char *options, struct super_block *sb,
>  #ifdef CONFIG_QUOTA
>  	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) &&
>  	    (test_opt(sb, USRQUOTA) || test_opt(sb, GRPQUOTA))) {
> -		ext4_msg(sb, KERN_ERR, "Cannot set quota options when QUOTA "
> -			 "feature is enabled");
> +		ext4_msg(sb, KERN_ERR,
> +			"Cannot set quota options when QUOTA feature is enabled");
>  		return 0;
>  	}
>  	if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
> @@ -1696,14 +1690,14 @@ static int parse_options(char *options, struct super_block *sb,
>  			clear_opt(sb, GRPQUOTA);
>  
>  		if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) {
> -			ext4_msg(sb, KERN_ERR, "old and new quota "
> -					"format mixing");
> +			ext4_msg(sb, KERN_ERR,
> +				"old and new quota format mixing");
>  			return 0;
>  		}
>  
>  		if (!sbi->s_jquota_fmt) {
> -			ext4_msg(sb, KERN_ERR, "journaled quota format "
> -					"not specified");
> +			ext4_msg(sb, KERN_ERR,
> +				"journaled quota format not specified");
>  			return 0;
>  		}
>  	}
> @@ -1713,15 +1707,15 @@ static int parse_options(char *options, struct super_block *sb,
>  			BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
>  
>  		if (blocksize < PAGE_CACHE_SIZE) {
> -			ext4_msg(sb, KERN_ERR, "can't mount with "
> -				 "dioread_nolock if block size != PAGE_SIZE");
> +			ext4_msg(sb, KERN_ERR,
> +				"can't mount with dioread_nolock if block size != PAGE_SIZE");
>  			return 0;
>  		}
>  	}
>  	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA &&
>  	    test_opt(sb, JOURNAL_ASYNC_COMMIT)) {
> -		ext4_msg(sb, KERN_ERR, "can't mount with journal_async_commit "
> -			 "in data=ordered mode");
> +		ext4_msg(sb, KERN_ERR,
> +			"can't mount with journal_async_commit in data=ordered mode");
>  		return 0;
>  	}
>  	return 1;
> @@ -1790,6 +1784,7 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
>  
>  	for (m = ext4_mount_opts; m->token != Opt_err; m++) {
>  		int want_set = m->flags & MOPT_SET;
> +
>  		if (((m->flags & (MOPT_SET|MOPT_CLEAR)) == 0) ||
>  		    (m->flags & MOPT_CLEAR_ERR))
>  			continue;
> @@ -1886,31 +1881,26 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
>  	int res = 0;
>  
>  	if (le32_to_cpu(es->s_rev_level) > EXT4_MAX_SUPP_REV) {
> -		ext4_msg(sb, KERN_ERR, "revision level too high, "
> -			 "forcing read-only mode");
> +		ext4_msg(sb, KERN_ERR, "revision level too high, forcing read-only mode");
>  		res = MS_RDONLY;
>  	}
>  	if (read_only)
>  		goto done;
>  	if (!(sbi->s_mount_state & EXT4_VALID_FS))
> -		ext4_msg(sb, KERN_WARNING, "warning: mounting unchecked fs, "
> -			 "running e2fsck is recommended");
> +		ext4_msg(sb, KERN_WARNING, "warning: mounting unchecked fs, running e2fsck is recommended");
>  	else if (sbi->s_mount_state & EXT4_ERROR_FS)
>  		ext4_msg(sb, KERN_WARNING,
> -			 "warning: mounting fs with errors, "
> -			 "running e2fsck is recommended");
> +			 "warning: mounting fs with errors, running e2fsck is recommended");
>  	else if ((__s16) le16_to_cpu(es->s_max_mnt_count) > 0 &&
>  		 le16_to_cpu(es->s_mnt_count) >=
>  		 (unsigned short) (__s16) le16_to_cpu(es->s_max_mnt_count))
>  		ext4_msg(sb, KERN_WARNING,
> -			 "warning: maximal mount count reached, "
> -			 "running e2fsck is recommended");
> +			 "warning: maximal mount count reached, running e2fsck is recommended");
>  	else if (le32_to_cpu(es->s_checkinterval) &&
>  		(le32_to_cpu(es->s_lastcheck) +
>  			le32_to_cpu(es->s_checkinterval) <= get_seconds()))
>  		ext4_msg(sb, KERN_WARNING,
> -			 "warning: checktime reached, "
> -			 "running e2fsck is recommended");
> +			 "warning: checktime reached, running e2fsck is recommended");
>  	if (!sbi->s_journal)
>  		es->s_state &= cpu_to_le16(~EXT4_VALID_FS);
>  	if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
> @@ -1924,8 +1914,7 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
>  	ext4_commit_super(sb, 1);
>  done:
>  	if (test_opt(sb, DEBUG))
> -		printk(KERN_INFO "[EXT4 FS bs=%lu, gc=%u, "
> -				"bpg=%lu, ipg=%lu, mo=%04x, mo2=%04x]\n",
> +		printk(KERN_INFO "[EXT4 FS bs=%lu, gc=%u, bpg=%lu, ipg=%lu, mo=%04x, mo2=%04x]\n",
>  			sb->s_blocksize,
>  			sbi->s_groups_count,
>  			EXT4_BLOCKS_PER_GROUP(sb),
> @@ -2101,30 +2090,26 @@ static int ext4_check_descriptors(struct super_block *sb,
>  
>  		block_bitmap = ext4_block_bitmap(sb, gdp);
>  		if (block_bitmap < first_block || block_bitmap > last_block) {
> -			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> -			       "Block bitmap for group %u not in group "
> -			       "(block %llu)!", i, block_bitmap);
> +			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: Block bitmap for group %u not in group (block %llu)!",
> +				 i, block_bitmap);
>  			return 0;
>  		}
>  		inode_bitmap = ext4_inode_bitmap(sb, gdp);
>  		if (inode_bitmap < first_block || inode_bitmap > last_block) {
> -			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> -			       "Inode bitmap for group %u not in group "
> -			       "(block %llu)!", i, inode_bitmap);
> +			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: Inode bitmap for group %u not in group (block %llu)!",
> +				i, inode_bitmap);
>  			return 0;
>  		}
>  		inode_table = ext4_inode_table(sb, gdp);
>  		if (inode_table < first_block ||
>  		    inode_table + sbi->s_itb_per_group - 1 > last_block) {
> -			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> -			       "Inode table for group %u not in group "
> -			       "(block %llu)!", i, inode_table);
> +			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: Inode table for group %u not in group (block %llu)!",
> +				i, inode_table);
>  			return 0;
>  		}
>  		ext4_lock_group(sb, i);
>  		if (!ext4_group_desc_csum_verify(sb, i, gdp)) {
> -			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
> -				 "Checksum for group %u failed (%u!=%u)",
> +			ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: Checksum for group %u failed (%u!=%u)",
>  				 i, le16_to_cpu(ext4_group_desc_csum(sbi, i,
>  				     gdp)), le16_to_cpu(gdp->bg_checksum));
>  			if (!(sb->s_flags & MS_RDONLY)) {
> @@ -2172,23 +2157,20 @@ static void ext4_orphan_cleanup(struct super_block *sb,
>  	}
>  
>  	if (bdev_read_only(sb->s_bdev)) {
> -		ext4_msg(sb, KERN_ERR, "write access "
> -			"unavailable, skipping orphan cleanup");
> +		ext4_msg(sb, KERN_ERR, "write access unavailable, skipping orphan cleanup");
>  		return;
>  	}
>  
>  	/* Check if feature set would not allow a r/w mount */
>  	if (!ext4_feature_set_ok(sb, 0)) {
> -		ext4_msg(sb, KERN_INFO, "Skipping orphan cleanup due to "
> -			 "unknown ROCOMPAT features");
> +		ext4_msg(sb, KERN_INFO, "Skipping orphan cleanup due to unknown ROCOMPAT features");
>  		return;
>  	}
>  
>  	if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
>  		/* don't clear list on RO mount w/ errors */
>  		if (es->s_last_orphan && !(s_flags & MS_RDONLY)) {
> -			ext4_msg(sb, KERN_INFO, "Errors on filesystem, "
> -				  "clearing orphan list.\n");
> +			ext4_msg(sb, KERN_INFO, "Errors on filesystem, clearing orphan list.\n");
>  			es->s_last_orphan = 0;
>  		}
>  		jbd_debug(1, "Skipping orphan recovery on fs with errors.\n");
> @@ -2206,10 +2188,11 @@ static void ext4_orphan_cleanup(struct super_block *sb,
>  	for (i = 0; i < EXT4_MAXQUOTAS; i++) {
>  		if (EXT4_SB(sb)->s_qf_names[i]) {
>  			int ret = ext4_quota_on_mount(sb, i);
> +
>  			if (ret < 0)
>  				ext4_msg(sb, KERN_ERR,
> -					"Cannot turn on journaled "
> -					"quota: error %d", ret);
> +					"Cannot turn on journaled quota: error %d",
> +					ret);
>  		}
>  	}
>  #endif
> @@ -2598,7 +2581,7 @@ static ssize_t sbi_deprecated_show(struct ext4_attr *a,
>  	return snprintf(buf, PAGE_SIZE, "%d\n", a->u.deprecated_val);
>  }
>  
> -#define EXT4_ATTR_OFFSET(_name,_mode,_show,_store,_elname) \
> +#define EXT4_ATTR_OFFSET(_name, _mode, _show, _store, _elname) \
>  static struct ext4_attr ext4_attr_##_name = {			\
>  	.attr = {.name = __stringify(_name), .mode = _mode },	\
>  	.show	= _show,					\
> @@ -2608,7 +2591,7 @@ static struct ext4_attr ext4_attr_##_name = {			\
>  	},							\
>  }
>  
> -#define EXT4_ATTR_OFFSET_ES(_name,_mode,_show,_store,_elname)		\
> +#define EXT4_ATTR_OFFSET_ES(_name, _mode, _show, _store, _elname)	\
>  static struct ext4_attr ext4_attr_##_name = {				\
>  	.attr = {.name = __stringify(_name), .mode = _mode },		\
>  	.show	= _show,						\
> @@ -2782,8 +2765,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
>  {
>  	if (EXT4_HAS_INCOMPAT_FEATURE(sb, ~EXT4_FEATURE_INCOMPAT_SUPP)) {
>  		ext4_msg(sb, KERN_ERR,
> -			"Couldn't mount because of "
> -			"unsupported optional features (%x)",
> +			"Couldn't mount because of unsupported optional features (%x)",
>  			(le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_incompat) &
>  			~EXT4_FEATURE_INCOMPAT_SUPP));
>  		return 0;
> @@ -2794,8 +2776,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
>  
>  	/* Check that feature set is OK for a read-write mount */
>  	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, ~EXT4_FEATURE_RO_COMPAT_SUPP)) {
> -		ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of "
> -			 "unsupported optional features (%x)",
> +		ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of unsupported optional features (%x)",
>  			 (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_ro_compat) &
>  				~EXT4_FEATURE_RO_COMPAT_SUPP));
>  		return 0;
> @@ -2806,17 +2787,14 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
>  	 */
>  	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
>  		if (sizeof(blkcnt_t) < sizeof(u64)) {
> -			ext4_msg(sb, KERN_ERR, "Filesystem with huge files "
> -				 "cannot be mounted RDWR without "
> -				 "CONFIG_LBDAF");
> +			ext4_msg(sb, KERN_ERR, "Filesystem with huge files cannot be mounted RDWR without CONFIG_LBDAF");
>  			return 0;
>  		}
>  	}
>  	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_BIGALLOC) &&
>  	    !EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
>  		ext4_msg(sb, KERN_ERR,
> -			 "Can't support bigalloc feature without "
> -			 "extents feature\n");
> +			 "Can't support bigalloc feature without extents feature\n");
>  		return 0;
>  	}
>  
> @@ -2824,8 +2802,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
>  	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA) &&
>  	    !readonly) {
>  		ext4_msg(sb, KERN_ERR,
> -			 "Filesystem with quota feature cannot be mounted RDWR "
> -			 "without CONFIG_QUOTA");
> +			 "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA");
>  		return 0;
>  	}
>  #endif  /* CONFIG_QUOTA */
> @@ -3064,12 +3041,12 @@ static int ext4_run_lazyinit_thread(void)
>  					 ext4_li_info, "ext4lazyinit");
>  	if (IS_ERR(ext4_lazyinit_task)) {
>  		int err = PTR_ERR(ext4_lazyinit_task);
> +
>  		ext4_clear_request_list();
>  		kfree(ext4_li_info);
>  		ext4_li_info = NULL;
> -		printk(KERN_CRIT "EXT4-fs: error %d creating inode table "
> -				 "initialization thread\n",
> -				 err);
> +		printk(KERN_CRIT "EXT4-fs: error %d creating inode table initialization thread\n",
> +			err);
>  		return err;
>  	}
>  	ext4_li_info->li_state |= EXT4_LAZYINIT_RUNNING;
> @@ -3498,13 +3475,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
>  				       EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
>  	    EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
> -		ext4_warning(sb, "metadata_csum and uninit_bg are "
> -			     "redundant flags; please run fsck.");
> +		ext4_warning(sb, "metadata_csum and uninit_bg are redundant flags; please run fsck.");
>  
>  	/* Check for a known checksum algorithm */
>  	if (!ext4_verify_csum_type(sb, es)) {
> -		ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with "
> -			 "unknown checksum algorithm.");
> +		ext4_msg(sb, KERN_ERR,
> +			"VFS: Found ext4 filesystem with unknown checksum algorithm.");
>  		silent = 1;
>  		goto cantfind_ext4;
>  	}
> @@ -3523,8 +3499,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  
>  	/* Check superblock checksum */
>  	if (!ext4_superblock_csum_verify(sb, es)) {
> -		ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with "
> -			 "invalid superblock checksum.  Run e2fsck?");
> +		ext4_msg(sb, KERN_ERR,
> +			"VFS: Found ext4 filesystem with invalid superblock checksum.  Run e2fsck?");
>  		silent = 1;
>  		goto cantfind_ext4;
>  	}
> @@ -3605,22 +3581,17 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  		goto failed_mount;
>  
>  	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
> -		printk_once(KERN_WARNING "EXT4-fs: Warning: mounting "
> -			    "with data=journal disables delayed "
> -			    "allocation and O_DIRECT support!\n");
> +		printk_once(KERN_WARNING "EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!\n");
>  		if (test_opt2(sb, EXPLICIT_DELALLOC)) {
> -			ext4_msg(sb, KERN_ERR, "can't mount with "
> -				 "both data=journal and delalloc");
> +			ext4_msg(sb, KERN_ERR, "can't mount with both data=journal and delalloc");
>  			goto failed_mount;
>  		}
>  		if (test_opt(sb, DIOREAD_NOLOCK)) {
> -			ext4_msg(sb, KERN_ERR, "can't mount with "
> -				 "both data=journal and dioread_nolock");
> +			ext4_msg(sb, KERN_ERR, "can't mount with both data=journal and dioread_nolock");
>  			goto failed_mount;
>  		}
>  		if (test_opt(sb, DAX)) {
> -			ext4_msg(sb, KERN_ERR, "can't mount with "
> -				 "both data=journal and dax");
> +			ext4_msg(sb, KERN_ERR, "can't mount with both data=journal and dax");
>  			goto failed_mount;
>  		}
>  		if (test_opt(sb, DELALLOC))
> @@ -3635,8 +3606,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	     EXT4_HAS_RO_COMPAT_FEATURE(sb, ~0U) ||
>  	     EXT4_HAS_INCOMPAT_FEATURE(sb, ~0U)))
>  		ext4_msg(sb, KERN_WARNING,
> -		       "feature flags set on rev 0 fs, "
> -		       "running e2fsck is recommended");
> +		       "feature flags set on rev 0 fs, running e2fsck is recommended");
>  
>  	if (es->s_creator_os == cpu_to_le32(EXT4_OS_HURD)) {
>  		set_opt2(sb, HURD_COMPAT);
> @@ -3650,22 +3620,22 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  
>  	if (IS_EXT2_SB(sb)) {
>  		if (ext2_feature_set_ok(sb))
> -			ext4_msg(sb, KERN_INFO, "mounting ext2 file system "
> -				 "using the ext4 subsystem");
> +			ext4_msg(sb, KERN_INFO,
> +				"mounting ext2 file system using the ext4 subsystem");
>  		else {
> -			ext4_msg(sb, KERN_ERR, "couldn't mount as ext2 due "
> -				 "to feature incompatibilities");
> +			ext4_msg(sb, KERN_ERR,
> +				"couldn't mount as ext2 due to feature incompatibilities");
>  			goto failed_mount;
>  		}
>  	}
>  
>  	if (IS_EXT3_SB(sb)) {
>  		if (ext3_feature_set_ok(sb))
> -			ext4_msg(sb, KERN_INFO, "mounting ext3 file system "
> -				 "using the ext4 subsystem");
> +			ext4_msg(sb, KERN_INFO,
> +				"mounting ext3 file system using the ext4 subsystem");
>  		else {
> -			ext4_msg(sb, KERN_ERR, "couldn't mount as ext3 due "
> -				 "to feature incompatibilities");
> +			ext4_msg(sb, KERN_ERR,
> +				"couldn't mount as ext3 due to feature incompatibilities");
>  			goto failed_mount;
>  		}
>  	}
> @@ -3806,8 +3776,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	if (has_bigalloc) {
>  		if (clustersize < blocksize) {
>  			ext4_msg(sb, KERN_ERR,
> -				 "cluster size (%d) smaller than "
> -				 "block size (%d)", clustersize, blocksize);
> +				"cluster size (%d) smaller than block size (%d)",
> +				clustersize, blocksize);
>  			goto failed_mount;
>  		}
>  		sbi->s_cluster_bits = le32_to_cpu(es->s_log_cluster_size) -
> @@ -3822,17 +3792,18 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  		}
>  		if (sbi->s_blocks_per_group !=
>  		    (sbi->s_clusters_per_group * (clustersize / blocksize))) {
> -			ext4_msg(sb, KERN_ERR, "blocks per group (%lu) and "
> -				 "clusters per group (%lu) inconsistent",
> -				 sbi->s_blocks_per_group,
> -				 sbi->s_clusters_per_group);
> +			ext4_msg(sb, KERN_ERR,
> +				"blocks per group (%lu) and clusters per group (%lu) inconsistent",
> +				sbi->s_blocks_per_group,
> +				sbi->s_clusters_per_group);
>  			goto failed_mount;
>  		}
>  	} else {
>  		if (clustersize != blocksize) {
> -			ext4_warning(sb, "fragment/cluster size (%d) != "
> -				     "block size (%d)", clustersize,
> -				     blocksize);
> +			ext4_warning(sb,
> +				"fragment/cluster size (%d) != block size (%d)",
> +				clustersize,
> +				blocksize);
>  			clustersize = blocksize;
>  		}
>  		if (sbi->s_blocks_per_group > blocksize * 8) {
> @@ -3864,8 +3835,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	err = generic_check_addressable(sb->s_blocksize_bits,
>  					ext4_blocks_count(es));
>  	if (err) {
> -		ext4_msg(sb, KERN_ERR, "filesystem"
> -			 " too large to mount safely on this system");
> +		ext4_msg(sb, KERN_ERR, "filesystem too large to mount safely on this system");
>  		if (sizeof(sector_t) < 8)
>  			ext4_msg(sb, KERN_WARNING, "CONFIG_LBDAF not enabled");
>  		goto failed_mount;
> @@ -3877,9 +3847,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	/* check blocks count against device size */
>  	blocks_count = sb->s_bdev->bd_inode->i_size >> sb->s_blocksize_bits;
>  	if (blocks_count && ext4_blocks_count(es) > blocks_count) {
> -		ext4_msg(sb, KERN_WARNING, "bad geometry: block count %llu "
> -		       "exceeds size of device (%llu blocks)",
> -		       ext4_blocks_count(es), blocks_count);
> +		ext4_msg(sb, KERN_WARNING,
> +			"bad geometry: block count %llu exceeds size of device (%llu blocks)",
> +			ext4_blocks_count(es), blocks_count);
>  		goto failed_mount;
>  	}
>  
> @@ -3888,8 +3858,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	 * of the filesystem.
>  	 */
>  	if (le32_to_cpu(es->s_first_data_block) >= ext4_blocks_count(es)) {
> -		ext4_msg(sb, KERN_WARNING, "bad geometry: first data "
> -			 "block %u is beyond end of filesystem (%llu)",
> +		ext4_msg(sb, KERN_WARNING, "bad geometry: first data block %u is beyond end of filesystem (%llu)",
>  			 le32_to_cpu(es->s_first_data_block),
>  			 ext4_blocks_count(es));
>  		goto failed_mount;
> @@ -3899,12 +3868,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  			EXT4_BLOCKS_PER_GROUP(sb) - 1);
>  	do_div(blocks_count, EXT4_BLOCKS_PER_GROUP(sb));
>  	if (blocks_count > ((uint64_t)1<<32) - EXT4_DESC_PER_BLOCK(sb)) {
> -		ext4_msg(sb, KERN_WARNING, "groups count too large: %u "
> -		       "(block count %llu, first data block %u, "
> -		       "blocks per group %lu)", sbi->s_groups_count,
> -		       ext4_blocks_count(es),
> -		       le32_to_cpu(es->s_first_data_block),
> -		       EXT4_BLOCKS_PER_GROUP(sb));
> +		ext4_msg(sb, KERN_WARNING,
> +			"groups count too large: %u (block count %llu, first data block %u, blocks per group %lu)",
> +			sbi->s_groups_count,
> +			ext4_blocks_count(es),
> +			le32_to_cpu(es->s_first_data_block),
> +			EXT4_BLOCKS_PER_GROUP(sb));
>  		goto failed_mount;
>  	}
>  	sbi->s_groups_count = blocks_count;
> @@ -4000,8 +3969,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  			goto failed_mount3a;
>  	} else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) &&
>  	      EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
> -		ext4_msg(sb, KERN_ERR, "required journal recovery "
> -		       "suppressed and not mounted read-only");
> +		ext4_msg(sb, KERN_ERR,
> +			"required journal recovery suppressed and not mounted read-only");
>  		goto failed_mount_wq;
>  	} else {
>  		clear_opt(sb, DATA_FLAGS);
> @@ -4018,8 +3987,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	}
>  
>  	if (!set_journal_csum_feature_set(sb)) {
> -		ext4_msg(sb, KERN_ERR, "Failed to set journal checksum "
> -			 "feature set");
> +		ext4_msg(sb, KERN_ERR,
> +			"Failed to set journal checksum feature set");
>  		goto failed_mount_wq;
>  	}
>  
> @@ -4042,8 +4011,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  	case EXT4_MOUNT_WRITEBACK_DATA:
>  		if (!jbd2_journal_check_available_features
>  		    (sbi->s_journal, 0, 0, JBD2_FEATURE_INCOMPAT_REVOKE)) {
> -			ext4_msg(sb, KERN_ERR, "Journal does not support "
> -			       "requested data journaling mode");
> +			ext4_msg(sb, KERN_ERR,
> +				"Journal does not support requested data journaling mode");
>  			goto failed_mount_wq;
>  		}
>  	default:
> @@ -4134,21 +4103,21 @@ no_journal:
>  							sbi->s_inode_size) {
>  		sbi->s_want_extra_isize = sizeof(struct ext4_inode) -
>  						       EXT4_GOOD_OLD_INODE_SIZE;
> -		ext4_msg(sb, KERN_INFO, "required extra inode space not"
> -			 "available");
> +		ext4_msg(sb, KERN_INFO, "required extra inode space not available");
>  	}
>  
>  	err = ext4_reserve_clusters(sbi, ext4_calculate_resv_clusters(sb));
>  	if (err) {
> -		ext4_msg(sb, KERN_ERR, "failed to reserve %llu clusters for "
> -			 "reserved pool", ext4_calculate_resv_clusters(sb));
> +		ext4_msg(sb, KERN_ERR,
> +			"failed to reserve %llu clusters for reserved pool",
> +			ext4_calculate_resv_clusters(sb));
>  		goto failed_mount4a;
>  	}
>  
>  	err = ext4_setup_system_zone(sb);
>  	if (err) {
> -		ext4_msg(sb, KERN_ERR, "failed to initialize system "
> -			 "zone (%d)", err);
> +		ext4_msg(sb, KERN_ERR,
> +			"failed to initialize system zone (%d)", err);
>  		goto failed_mount4a;
>  	}
>  
> @@ -4161,7 +4130,7 @@ no_journal:
>  	}
>  
>  	block = ext4_count_free_clusters(sb);
> -	ext4_free_blocks_count_set(sbi->s_es, 
> +	ext4_free_blocks_count_set(sbi->s_es,
>  				   EXT4_C2B(sbi, block));
>  	err = percpu_counter_init(&sbi->s_freeclusters_counter, block,
>  				  GFP_KERNEL);
> @@ -4185,8 +4154,7 @@ no_journal:
>  	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
>  		if (!ext4_fill_flex_info(sb)) {
>  			ext4_msg(sb, KERN_ERR,
> -			       "unable to initialize "
> -			       "flex_bg meta info!");
> +			       "unable to initialize flex_bg meta info!");
>  			goto failed_mount6;
>  		}
>  
> @@ -4232,12 +4200,11 @@ no_journal:
>  		struct request_queue *q = bdev_get_queue(sb->s_bdev);
>  		if (!blk_queue_discard(q))
>  			ext4_msg(sb, KERN_WARNING,
> -				 "mounting with \"discard\" option, but "
> -				 "the device does not support discard");
> +				 "mounting with \"discard\" option, but the device does not support discard");
>  	}
>  
> -	ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
> -		 "Opts: %s%s%s", descr, sbi->s_es->s_mount_opts,
> +	ext4_msg(sb, KERN_INFO,
> +		"mounted filesystem with%s. Opts: %s%s%s", descr, sbi->s_es->s_mount_opts,
>  		 *sbi->s_es->s_mount_opts ? "; " : "", orig_data);
>  
>  	if (es->s_error_count)
> @@ -4416,8 +4383,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
>  	offset = EXT4_MIN_BLOCK_SIZE % blocksize;
>  	set_blocksize(bdev, blocksize);
>  	if (!(bh = __bread(bdev, sb_block, blocksize))) {
> -		ext4_msg(sb, KERN_ERR, "couldn't read superblock of "
> -		       "external journal");
> +		ext4_msg(sb, KERN_ERR,
> +			"couldn't read superblock of external journal");
>  		goto out_bdev;
>  	}
>  
> @@ -4425,8 +4392,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
>  	if ((le16_to_cpu(es->s_magic) != EXT4_SUPER_MAGIC) ||
>  	    !(le32_to_cpu(es->s_feature_incompat) &
>  	      EXT4_FEATURE_INCOMPAT_JOURNAL_DEV)) {
> -		ext4_msg(sb, KERN_ERR, "external journal has "
> -					"bad superblock");
> +		ext4_msg(sb, KERN_ERR,
> +			"external journal has bad superblock");
>  		brelse(bh);
>  		goto out_bdev;
>  	}
> @@ -4434,8 +4401,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
>  	if ((le32_to_cpu(es->s_feature_ro_compat) &
>  	     EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
>  	    es->s_checksum != ext4_superblock_csum(sb, es)) {
> -		ext4_msg(sb, KERN_ERR, "external journal has "
> -				       "corrupt superblock");
> +		ext4_msg(sb, KERN_ERR,
> +			"external journal has corrupt superblock");
>  		brelse(bh);
>  		goto out_bdev;
>  	}
> @@ -4464,8 +4431,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
>  		goto out_journal;
>  	}
>  	if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {
> -		ext4_msg(sb, KERN_ERR, "External journal has more than one "
> -					"user (unsupported) - %d",
> +		ext4_msg(sb, KERN_ERR,
> +			"External journal has more than one user (unsupported) - %d",
>  			be32_to_cpu(journal->j_superblock->s_nr_users));
>  		goto out_journal;
>  	}
> @@ -4494,8 +4461,8 @@ static int ext4_load_journal(struct super_block *sb,
>  
>  	if (journal_devnum &&
>  	    journal_devnum != le32_to_cpu(es->s_journal_dev)) {
> -		ext4_msg(sb, KERN_INFO, "external journal device major/minor "
> -			"numbers have changed");
> +		ext4_msg(sb, KERN_INFO,
> +			"external journal device major/minor numbers have changed");
>  		journal_dev = new_decode_dev(journal_devnum);
>  	} else
>  		journal_dev = new_decode_dev(le32_to_cpu(es->s_journal_dev));
> @@ -4509,21 +4476,21 @@ static int ext4_load_journal(struct super_block *sb,
>  	 */
>  	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
>  		if (sb->s_flags & MS_RDONLY) {
> -			ext4_msg(sb, KERN_INFO, "INFO: recovery "
> -					"required on readonly filesystem");
> +			ext4_msg(sb, KERN_INFO,
> +				"INFO: recovery required on readonly filesystem");
>  			if (really_read_only) {
> -				ext4_msg(sb, KERN_ERR, "write access "
> -					"unavailable, cannot proceed");
> +				ext4_msg(sb, KERN_ERR,
> +					"write access unavailable, cannot proceed");
>  				return -EROFS;
>  			}
> -			ext4_msg(sb, KERN_INFO, "write access will "
> -			       "be enabled during recovery");
> +			ext4_msg(sb, KERN_INFO,
> +				"write access will be enabled during recovery");
>  		}
>  	}
>  
>  	if (journal_inum && journal_dev) {
> -		ext4_msg(sb, KERN_ERR, "filesystem has both journal "
> -		       "and inode journals!");
> +		ext4_msg(sb, KERN_ERR,
> +			"filesystem has both journal and inode journals!");
>  		return -EINVAL;
>  	}
>  
> @@ -4589,8 +4556,8 @@ static int ext4_commit_super(struct super_block *sb, int sync)
>  		 * be remapped.  Nothing we can do but to retry the
>  		 * write and hope for the best.
>  		 */
> -		ext4_msg(sb, KERN_ERR, "previous I/O error to "
> -		       "superblock detected");
> +		ext4_msg(sb, KERN_ERR,
> +			"previous I/O error to superblock detected");
>  		clear_buffer_write_io_error(sbh);
>  		set_buffer_uptodate(sbh);
>  	}
> @@ -4632,8 +4599,8 @@ static int ext4_commit_super(struct super_block *sb, int sync)
>  
>  		error = buffer_write_io_error(sbh);
>  		if (error) {
> -			ext4_msg(sb, KERN_ERR, "I/O error while writing "
> -			       "superblock");
> +			ext4_msg(sb, KERN_ERR,
> +				"I/O error while writing superblock");
>  			clear_buffer_write_io_error(sbh);
>  			set_buffer_uptodate(sbh);
>  		}
> @@ -4695,8 +4662,9 @@ static void ext4_clear_journal_err(struct super_block *sb,
>  		char nbuf[16];
>  
>  		errstr = ext4_decode_error(sb, j_errno, nbuf);
> -		ext4_warning(sb, "Filesystem error recorded "
> -			     "from previous mount: %s", errstr);
> +		ext4_warning(sb,
> +			"Filesystem error recorded from previous mount: %s",
> +			errstr);
>  		ext4_warning(sb, "Marking fs in need of filesystem check.");
>  
>  		EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
> @@ -4889,30 +4857,30 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
>  
>  	if ((old_opts.s_mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) ^
>  	    test_opt(sb, JOURNAL_CHECKSUM)) {
> -		ext4_msg(sb, KERN_ERR, "changing journal_checksum "
> -			 "during remount not supported");
> +		ext4_msg(sb, KERN_ERR,
> +			"changing journal_checksum during remount not supported");
>  		err = -EINVAL;
>  		goto restore_opts;
>  	}
>  
>  	if ((old_opts.s_mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) ^
>  	    test_opt(sb, JOURNAL_CHECKSUM)) {
> -		ext4_msg(sb, KERN_ERR, "changing journal_checksum "
> -			 "during remount not supported");
> +		ext4_msg(sb, KERN_ERR,
> +			"changing journal_checksum during remount not supported");
>  		err = -EINVAL;
>  		goto restore_opts;
>  	}
>  
>  	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
>  		if (test_opt2(sb, EXPLICIT_DELALLOC)) {
> -			ext4_msg(sb, KERN_ERR, "can't mount with "
> -				 "both data=journal and delalloc");
> +			ext4_msg(sb, KERN_ERR,
> +				"can't mount with both data=journal and delalloc");
>  			err = -EINVAL;
>  			goto restore_opts;
>  		}
>  		if (test_opt(sb, DIOREAD_NOLOCK)) {
> -			ext4_msg(sb, KERN_ERR, "can't mount with "
> -				 "both data=journal and dioread_nolock");
> +			ext4_msg(sb, KERN_ERR,
> +				"can't mount with both data=journal and dioread_nolock");
>  			err = -EINVAL;
>  			goto restore_opts;
>  		}
> @@ -5004,10 +4972,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
>  			 * require a full umount/remount for now.
>  			 */
>  			if (es->s_last_orphan) {
> -				ext4_msg(sb, KERN_WARNING, "Couldn't "
> -				       "remount RDWR because of unprocessed "
> -				       "orphan inode list.  Please "
> -				       "umount/remount instead");
> +				ext4_msg(sb, KERN_WARNING,
> +					"Couldn't remount RDWR because of unprocessed orphan inode list.  Please umount/remount instead");
>  				err = -EINVAL;
>  				goto restore_opts;
>  			}
> @@ -5256,8 +5222,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
>  		/* Quotafile not in fs root? */
>  		if (path->dentry->d_parent != sb->s_root)
>  			ext4_msg(sb, KERN_WARNING,
> -				"Quota file not on filesystem root. "
> -				"Journaled quota will not work");
> +				"Quota file not on filesystem root. Journaled quota will not work");
>  	}
>  
>  	/*
> @@ -5325,9 +5290,8 @@ static int ext4_enable_quotas(struct super_block *sb)
>  						DQUOT_USAGE_ENABLED);
>  			if (err) {
>  				ext4_warning(sb,
> -					"Failed to enable quota tracking "
> -					"(type=%d, err=%d). Please run "
> -					"e2fsck to fix.", type, err);
> +					"Failed to enable quota tracking (type=%d, err=%d). Please run e2fsck to fix.",
> +					 type, err);
>  				return err;
>  			}
>  		}
> @@ -5439,8 +5403,8 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
>  	handle_t *handle = journal_current_handle();
>  
>  	if (EXT4_SB(sb)->s_journal && !handle) {
> -		ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
> -			" cancelled because transaction is not started",
> +		ext4_msg(sb, KERN_WARNING,
> +			"Quota write (off=%llu, len=%llu) cancelled because transaction is not started",
>  			(unsigned long long)off, (unsigned long long)len);
>  		return -EIO;
>  	}
> @@ -5449,8 +5413,8 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
>  	 * then it is impossible to cross a block boundary.
>  	 */
>  	if (sb->s_blocksize - offset < len) {
> -		ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
> -			" cancelled because not block aligned",
> +		ext4_msg(sb, KERN_WARNING,
> +			"Quota write (off=%llu, len=%llu) cancelled because not block aligned",
>  			(unsigned long long)off, (unsigned long long)len);
>  		return -EIO;
>  	}
> @@ -5493,6 +5457,7 @@ static struct dentry *ext4_mount(struct file_system_type *fs_type, int flags,
>  static inline void register_as_ext2(void)
>  {
>  	int err = register_filesystem(&ext2_fs_type);
> +
>  	if (err)
>  		printk(KERN_WARNING
>  		       "EXT4-fs: Unable to register as ext2 (%d)\n", err);
> @@ -5523,6 +5488,7 @@ static inline int ext2_feature_set_ok(struct super_block *sb) { return 0; }
>  static inline void register_as_ext3(void)
>  {
>  	int err = register_filesystem(&ext3_fs_type);
> +
>  	if (err)
>  		printk(KERN_WARNING
>  		       "EXT4-fs: Unable to register as ext3 (%d)\n", err);
> 

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