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Message-ID: <e18f0b8bfe48a467fb1aaf81001559d93c287ad8.camel@perches.com>
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: ratelimit recovery messages
From:   Joe Perches <joe@perches.com>
To:     Chao Yu <yuchao0@huawei.com>, Gao Xiang <gaoxiang25@huawei.com>,
        Sahitya Tummala <stummala@codeaurora.org>
Cc:     Jaegeuk Kim <jaegeuk@kernel.org>, linux-kernel@vger.kernel.org,
        linux-f2fs-devel@lists.sourceforge.net
Date:   Tue, 28 May 2019 05:16:29 -0700
In-Reply-To: <6cc73c5454785faec229c8b78e63170e021a7c0d.camel@perches.com>
References: <1558962655-25994-1-git-send-email-stummala@codeaurora.org>
         <94025a6d-f485-3811-5521-ed5c9b4d1d77@huawei.com>
         <20190528030509.GE10043@codeaurora.org>
         <2575bd54-d67c-6b26-ebf7-d6adb2e193a7@huawei.com>
         <b5665201-d13d-5fcb-100d-21630960e5f1@huawei.com>
         <0341eb2c-6788-1c85-2036-ed57b7f99dab@huawei.com>
         <6cc73c5454785faec229c8b78e63170e021a7c0d.camel@perches.com>
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Perhaps something like this is more kernel-typical style.

Add and use f2fs_<level> macros
Convert f2fs_msg to f2fs_printk
Remove level from f2fs_printk and embed the level in the format
Coalesce formats and align multi-line arguments
Remove unnecessary duplicate extern f2fs_msg f2fs.h 
---
 fs/f2fs/checkpoint.c   |  34 ++--
 fs/f2fs/dir.c          |  10 +-
 fs/f2fs/extent_cache.c |   7 +-
 fs/f2fs/f2fs.h         |  38 ++--
 fs/f2fs/file.c         |  21 +--
 fs/f2fs/gc.c           |  10 +-
 fs/f2fs/inline.c       |  12 +-
 fs/f2fs/inode.c        |  72 +++-----
 fs/f2fs/namei.c        |  10 +-
 fs/f2fs/node.c         |  30 ++-
 fs/f2fs/recovery.c     |  37 ++--
 fs/f2fs/segment.c      |  56 +++---
 fs/f2fs/segment.h      |  10 +-
 fs/f2fs/super.c        | 485 ++++++++++++++++++++-----------------------------
 14 files changed, 340 insertions(+), 492 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 89825261d474..5b3a392770f9 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -146,8 +146,8 @@ static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
 
 	exist = f2fs_test_bit(offset, se->cur_valid_map);
 	if (!exist && type == DATA_GENERIC_ENHANCE) {
-		f2fs_msg(sbi->sb, KERN_ERR, "Inconsistent error "
-			"blkaddr:%u, sit bitmap:%d", blkaddr, exist);
+		f2fs_err(sbi->sb, "Inconsistent error blkaddr:%u, sit bitmap:%d",
+			 blkaddr, exist);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		WARN_ON(1);
 	}
@@ -184,8 +184,8 @@ bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
 	case DATA_GENERIC_ENHANCE_READ:
 		if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
 				blkaddr < MAIN_BLKADDR(sbi))) {
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"access invalid blkaddr:%u", blkaddr);
+			f2fs_warn(sbi->sb, "access invalid blkaddr:%u",
+				  blkaddr);
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
 			WARN_ON(1);
 			return false;
@@ -657,9 +657,8 @@ static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
 
 err_out:
 	set_sbi_flag(sbi, SBI_NEED_FSCK);
-	f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: orphan failed (ino=%x), run fsck to fix.",
-			__func__, ino);
+	f2fs_warn(sbi->sb, "%s: orphan failed (ino=%x), run fsck to fix.",
+		  __func__, ino);
 	return err;
 }
 
@@ -676,13 +675,12 @@ int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
 		return 0;
 
 	if (bdev_read_only(sbi->sb->s_bdev)) {
-		f2fs_msg(sbi->sb, KERN_INFO, "write access "
-			"unavailable, skipping orphan cleanup");
+		f2fs_info(sbi->sb, "write access unavailable, skipping orphan cleanup");
 		return 0;
 	}
 
 	if (s_flags & SB_RDONLY) {
-		f2fs_msg(sbi->sb, KERN_INFO, "orphan cleanup on readonly fs");
+		f2fs_info(sbi->sb, "orphan cleanup on readonly fs");
 		sbi->sb->s_flags &= ~SB_RDONLY;
 	}
 
@@ -827,15 +825,14 @@ static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
 	if (crc_offset < CP_MIN_CHKSUM_OFFSET ||
 			crc_offset > CP_CHKSUM_OFFSET) {
 		f2fs_put_page(*cp_page, 1);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"invalid crc_offset: %zu", crc_offset);
+		f2fs_warn(sbi->sb, "invalid crc_offset: %zu", crc_offset);
 		return -EINVAL;
 	}
 
 	crc = f2fs_checkpoint_chksum(sbi, *cp_block);
 	if (crc != cur_cp_crc(*cp_block)) {
 		f2fs_put_page(*cp_page, 1);
-		f2fs_msg(sbi->sb, KERN_WARNING, "invalid crc value");
+		f2fs_warn(sbi->sb, "invalid crc value");
 		return -EINVAL;
 	}
 
@@ -858,9 +855,8 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
 
 	if (le32_to_cpu(cp_block->cp_pack_total_block_count) >
 					sbi->blocks_per_seg) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"invalid cp_pack_total_block_count:%u",
-			le32_to_cpu(cp_block->cp_pack_total_block_count));
+		f2fs_warn(sbi->sb, "invalid cp_pack_total_block_count:%u",
+			  le32_to_cpu(cp_block->cp_pack_total_block_count));
 		goto invalid_cp;
 	}
 	pre_version = *version;
@@ -1558,8 +1554,7 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 	if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
 		if (cpc->reason != CP_PAUSE)
 			return 0;
-		f2fs_msg(sbi->sb, KERN_WARNING,
-				"Start checkpoint disabled!");
+		f2fs_warn(sbi->sb, "Start checkpoint disabled!");
 	}
 	mutex_lock(&sbi->cp_mutex);
 
@@ -1625,8 +1620,7 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 	stat_inc_cp_count(sbi->stat_info);
 
 	if (cpc->reason & CP_RECOVERY)
-		f2fs_msg(sbi->sb, KERN_NOTICE,
-			"checkpoint: version = %llx", ckpt_ver);
+		f2fs_notice(sbi->sb, "checkpoint: version = %llx", ckpt_ver);
 
 	/* do checkpoint periodically */
 	f2fs_update_time(sbi, CP_TIME);
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 59bc46017855..f2fa521cad00 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -218,9 +218,8 @@ struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
 
 	max_depth = F2FS_I(dir)->i_current_depth;
 	if (unlikely(max_depth > MAX_DIR_HASH_DEPTH)) {
-		f2fs_msg(F2FS_I_SB(dir)->sb, KERN_WARNING,
-				"Corrupted max_depth of %lu: %u",
-				dir->i_ino, max_depth);
+		f2fs_warn(F2FS_I_SB(dir)->sb, "Corrupted max_depth of %lu: %u",
+			  dir->i_ino, max_depth);
 		max_depth = MAX_DIR_HASH_DEPTH;
 		f2fs_i_depth_write(dir, max_depth);
 	}
@@ -816,9 +815,8 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
 		bit_pos += GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
 		if (unlikely(bit_pos > d->max ||
 				le16_to_cpu(de->name_len) > F2FS_NAME_LEN)) {
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"%s: corrupted namelen=%d, run fsck to fix.",
-				__func__, le16_to_cpu(de->name_len));
+			f2fs_warn(sbi->sb, "%s: corrupted namelen=%d, run fsck to fix.",
+				  __func__, le16_to_cpu(de->name_len));
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
 			err = -EINVAL;
 			goto out;
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index caf77fe8ac07..8f89ebf722bc 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -184,10 +184,9 @@ bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
 		next_re = rb_entry(next, struct rb_entry, rb_node);
 
 		if (cur_re->ofs + cur_re->len > next_re->ofs) {
-			f2fs_msg(sbi->sb, KERN_INFO, "inconsistent rbtree, "
-				"cur(%u, %u) next(%u, %u)",
-				cur_re->ofs, cur_re->len,
-				next_re->ofs, next_re->len);
+			f2fs_info(sbi->sb, "inconsistent rbtree, cur(%u, %u) next(%u, %u)",
+				  cur_re->ofs, cur_re->len,
+				  next_re->ofs, next_re->len);
 			return false;
 		}
 
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9b3d9977cd1e..5cf0aa507769 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1798,7 +1798,20 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
 	return -ENOSPC;
 }
 
-void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...);
+__printf(2, 3)
+void f2fs_printk(struct super_block *sb, const char *fmt, ...);
+
+#define f2fs_err(sb, fmt, ...)						\
+	f2fs_printk(sb, KERN_ERR fmt, ##__VA_ARGS__)
+#define f2fs_warn(sb, fmt, ...)						\
+	f2fs_printk(sb, KERN_WARNING fmt, ##__VA_ARGS__)
+#define f2fs_notice(sb, fmt, ...)					\
+	f2fs_printk(sb, KERN_NOTICE fmt, ##__VA_ARGS__)
+#define f2fs_info(sb, fmt, ...)						\
+	f2fs_printk(sb, KERN_INFO fmt, ##__VA_ARGS__)
+#define f2fs_debug(sb, fmt, ...)					\
+	f2fs_printk(sb, KERN_DEBUG fmt, ##__VA_ARGS__)
+
 static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
 						struct inode *inode,
 						block_t count)
@@ -1814,11 +1827,10 @@ static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
 					sbi->current_reserved_blocks + count);
 	spin_unlock(&sbi->stat_lock);
 	if (unlikely(inode->i_blocks < sectors)) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
-			inode->i_ino,
-			(unsigned long long)inode->i_blocks,
-			(unsigned long long)sectors);
+		f2fs_warn(sbi->sb, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
+			  inode->i_ino,
+			  (unsigned long long)inode->i_blocks,
+			  (unsigned long long)sectors);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		return;
 	}
@@ -2055,10 +2067,9 @@ static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
 		dquot_free_inode(inode);
 	} else {
 		if (unlikely(inode->i_blocks == 0)) {
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"Inconsistent i_blocks, ino:%lu, iblocks:%llu",
-				inode->i_ino,
-				(unsigned long long)inode->i_blocks);
+			f2fs_warn(sbi->sb, "Inconsistent i_blocks, ino:%lu, iblocks:%llu",
+				  inode->i_ino,
+				  (unsigned long long)inode->i_blocks);
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
 			return;
 		}
@@ -2862,9 +2873,8 @@ static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
 					block_t blkaddr, int type)
 {
 	if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"invalid blkaddr: %u, type: %d, run fsck to fix.",
-			blkaddr, type);
+		f2fs_err(sbi->sb, "invalid blkaddr: %u, type: %d, run fsck to fix.",
+			 blkaddr, type);
 		f2fs_bug_on(sbi, 1);
 	}
 }
@@ -2995,8 +3005,6 @@ int f2fs_quota_sync(struct super_block *sb, int type);
 void f2fs_quota_off_umount(struct super_block *sb);
 int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
 int f2fs_sync_fs(struct super_block *sb, int sync);
-extern __printf(3, 4)
-void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...);
 int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
 
 /*
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 45b45f37d347..51d9eccadb68 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1764,9 +1764,8 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
 	 * f2fs_is_atomic_file.
 	 */
 	if (get_dirty_pages(inode))
-		f2fs_msg(F2FS_I_SB(inode)->sb, KERN_WARNING,
-		"Unexpected flush for atomic writes: ino=%lu, npages=%u",
-					inode->i_ino, get_dirty_pages(inode));
+		f2fs_warn(F2FS_I_SB(inode)->sb, "Unexpected flush for atomic writes: ino=%lu, npages=%u",
+			  inode->i_ino, get_dirty_pages(inode));
 	ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
 	if (ret) {
 		up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
@@ -2201,8 +2200,7 @@ static int f2fs_ioc_write_checkpoint(struct file *filp, unsigned long arg)
 		return -EROFS;
 
 	if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
-		f2fs_msg(sbi->sb, KERN_INFO,
-			"Skipping Checkpoint. Checkpoints currently disabled.");
+		f2fs_info(sbi->sb, "Skipping Checkpoint. Checkpoints currently disabled.");
 		return -EINVAL;
 	}
 
@@ -2587,10 +2585,8 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg)
 
 	if (!f2fs_is_multi_device(sbi) || sbi->s_ndevs - 1 <= range.dev_num ||
 			__is_large_section(sbi)) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"Can't flush %u in %d for segs_per_sec %u != 1",
-				range.dev_num, sbi->s_ndevs,
-				sbi->segs_per_sec);
+		f2fs_warn(sbi->sb, "Can't flush %u in %d for segs_per_sec %u != 1",
+			  range.dev_num, sbi->s_ndevs, sbi->segs_per_sec);
 		return -EINVAL;
 	}
 
@@ -2869,10 +2865,9 @@ int f2fs_pin_file_control(struct inode *inode, bool inc)
 				fi->i_gc_failures[GC_FAILURE_PIN] + 1);
 
 	if (fi->i_gc_failures[GC_FAILURE_PIN] > sbi->gc_pin_file_threshold) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: Enable GC = ino %lx after %x GC trials",
-			__func__, inode->i_ino,
-			fi->i_gc_failures[GC_FAILURE_PIN]);
+		f2fs_warn(sbi->sb, "%s: Enable GC = ino %lx after %x GC trials",
+			  __func__, inode->i_ino,
+			  fi->i_gc_failures[GC_FAILURE_PIN]);
 		clear_inode_flag(inode, FI_PIN_FILE);
 		return -EAGAIN;
 	}
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 1e029da26053..15932ea4a1b6 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -616,9 +616,8 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
 	}
 
 	if (sum->version != dni->version) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-				"%s: valid data with mismatched node version.",
-				__func__);
+		f2fs_warn(sbi->sb, "%s: valid data with mismatched node version.",
+			  __func__);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 	}
 
@@ -1181,9 +1180,8 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
 
 		sum = page_address(sum_page);
 		if (type != GET_SUM_TYPE((&sum->footer))) {
-			f2fs_msg(sbi->sb, KERN_ERR, "Inconsistent segment (%u) "
-				"type [%d, %d] in SSA and SIT",
-				segno, type, GET_SUM_TYPE((&sum->footer)));
+			f2fs_err(sbi->sb, "Inconsistent segment (%u) type [%d, %d] in SSA and SIT",
+				 segno, type, GET_SUM_TYPE((&sum->footer)));
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
 			f2fs_stop_checkpoint(sbi, false);
 			goto skip;
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 404d2462a0fe..b3bdd8e8f4b8 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -140,10 +140,8 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
 	if (unlikely(dn->data_blkaddr != NEW_ADDR)) {
 		f2fs_put_dnode(dn);
 		set_sbi_flag(fio.sbi, SBI_NEED_FSCK);
-		f2fs_msg(fio.sbi->sb, KERN_WARNING,
-			"%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, "
-			"run fsck to fix.",
-			__func__, dn->inode->i_ino, dn->data_blkaddr);
+		f2fs_warn(fio.sbi->sb, "%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, run fsck to fix.",
+			  __func__, dn->inode->i_ino, dn->data_blkaddr);
 		return -EINVAL;
 	}
 
@@ -383,10 +381,8 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
 	if (unlikely(dn.data_blkaddr != NEW_ADDR)) {
 		f2fs_put_dnode(&dn);
 		set_sbi_flag(F2FS_P_SB(page), SBI_NEED_FSCK);
-		f2fs_msg(F2FS_P_SB(page)->sb, KERN_WARNING,
-			"%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, "
-			"run fsck to fix.",
-			__func__, dir->i_ino, dn.data_blkaddr);
+		f2fs_warn(F2FS_P_SB(page)->sb, "%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, run fsck to fix.",
+			  __func__, dir->i_ino, dn.data_blkaddr);
 		err = -EINVAL;
 		goto out;
 	}
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index ccb02226dd2c..e5492bc05ddc 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -176,9 +176,8 @@ bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
 	calculated = f2fs_inode_chksum(sbi, page);
 
 	if (provided != calculated)
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x",
-			page->index, ino_of_node(page), provided, calculated);
+		f2fs_warn(sbi->sb, "checksum invalid, nid = %lu, ino_of_node = %x, %x vs. %x",
+			  page->index, ino_of_node(page), provided, calculated);
 
 	return provided == calculated;
 }
@@ -202,50 +201,41 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page)
 	iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks);
 	if (!iblocks) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, "
-			"run fsck to fix.",
-			__func__, inode->i_ino, iblocks);
+		f2fs_warn(sbi->sb, "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, run fsck to fix.",
+			  __func__, inode->i_ino, iblocks);
 		return false;
 	}
 
 	if (ino_of_node(node_page) != nid_of_node(node_page)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: corrupted inode footer i_ino=%lx, ino,nid: "
-			"[%u, %u] run fsck to fix.",
-			__func__, inode->i_ino,
-			ino_of_node(node_page), nid_of_node(node_page));
+		f2fs_warn(sbi->sb, "%s: corrupted inode footer i_ino=%lx, ino,nid: [%u, %u] run fsck to fix.",
+			  __func__, inode->i_ino,
+			  ino_of_node(node_page), nid_of_node(node_page));
 		return false;
 	}
 
 	if (f2fs_sb_has_flexible_inline_xattr(sbi)
 			&& !f2fs_has_extra_attr(inode)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: corrupted inode ino=%lx, run fsck to fix.",
-			__func__, inode->i_ino);
+		f2fs_warn(sbi->sb, "%s: corrupted inode ino=%lx, run fsck to fix.",
+			  __func__, inode->i_ino);
 		return false;
 	}
 
 	if (f2fs_has_extra_attr(inode) &&
 			!f2fs_sb_has_extra_attr(sbi)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx) is with extra_attr, "
-			"but extra_attr feature is off",
-			__func__, inode->i_ino);
+		f2fs_warn(sbi->sb, "%s: inode (ino=%lx) is with extra_attr, but extra_attr feature is off",
+			  __func__, inode->i_ino);
 		return false;
 	}
 
 	if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE ||
 			fi->i_extra_isize % sizeof(__le32)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx) has corrupted i_extra_isize: %d, "
-			"max: %zu",
-			__func__, inode->i_ino, fi->i_extra_isize,
-			F2FS_TOTAL_EXTRA_ATTR_SIZE);
+		f2fs_warn(sbi->sb, "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, max: %zu",
+			  __func__, inode->i_ino, fi->i_extra_isize,
+			  F2FS_TOTAL_EXTRA_ATTR_SIZE);
 		return false;
 	}
 
@@ -255,11 +245,9 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page)
 		(!fi->i_inline_xattr_size ||
 		fi->i_inline_xattr_size > MAX_INLINE_XATTR_SIZE)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx) has corrupted "
-			"i_inline_xattr_size: %d, max: %zu",
-			__func__, inode->i_ino, fi->i_inline_xattr_size,
-			MAX_INLINE_XATTR_SIZE);
+		f2fs_warn(sbi->sb, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %zu",
+			  __func__, inode->i_ino, fi->i_inline_xattr_size,
+			  MAX_INLINE_XATTR_SIZE);
 		return false;
 	}
 
@@ -272,11 +260,9 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page)
 			!f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
 						DATA_GENERIC_ENHANCE))) {
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"%s: inode (ino=%lx) extent info [%u, %u, %u] "
-				"is incorrect, run fsck to fix",
-				__func__, inode->i_ino,
-				ei->blk, ei->fofs, ei->len);
+			f2fs_warn(sbi->sb, "%s: inode (ino=%lx) extent info [%u, %u, %u] is incorrect, run fsck to fix",
+				  __func__, inode->i_ino,
+				  ei->blk, ei->fofs, ei->len);
 			return false;
 		}
 	}
@@ -284,19 +270,15 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page)
 	if (f2fs_has_inline_data(inode) &&
 			(!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx, mode=%u) should not have "
-			"inline_data, run fsck to fix",
-			__func__, inode->i_ino, inode->i_mode);
+		f2fs_warn(sbi->sb, "%s: inode (ino=%lx, mode=%u) should not have inline_data, run fsck to fix",
+			  __func__, inode->i_ino, inode->i_mode);
 		return false;
 	}
 
 	if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"%s: inode (ino=%lx, mode=%u) should not have "
-			"inline_dentry, run fsck to fix",
-			__func__, inode->i_ino, inode->i_mode);
+		f2fs_warn(sbi->sb, "%s: inode (ino=%lx, mode=%u) should not have inline_dentry, run fsck to fix",
+			  __func__, inode->i_ino, inode->i_mode);
 		return false;
 	}
 
@@ -783,8 +765,7 @@ void f2fs_handle_failed_inode(struct inode *inode)
 	err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
 	if (err) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"May loss orphan inode, run fsck to fix.");
+		f2fs_warn(sbi->sb, "May loss orphan inode, run fsck to fix.");
 		goto out;
 	}
 
@@ -792,8 +773,7 @@ void f2fs_handle_failed_inode(struct inode *inode)
 		err = f2fs_acquire_orphan_inode(sbi);
 		if (err) {
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"Too many orphan inodes, run fsck to fix.");
+			f2fs_warn(sbi->sb, "Too many orphan inodes, run fsck to fix.");
 		} else {
 			f2fs_add_orphan_inode(inode);
 		}
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 0f77f9242751..426aff52b745 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -385,9 +385,8 @@ static int __recover_dot_dentries(struct inode *dir, nid_t pino)
 	int err = 0;
 
 	if (f2fs_readonly(sbi->sb)) {
-		f2fs_msg(sbi->sb, KERN_INFO,
-			"skip recovering inline_dots inode (ino:%lu, pino:%u) "
-			"in readonly mountpoint", dir->i_ino, pino);
+		f2fs_info(sbi->sb, "skip recovering inline_dots inode (ino:%lu, pino:%u) in readonly mountpoint",
+			  dir->i_ino, pino);
 		return 0;
 	}
 
@@ -484,9 +483,8 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
 	if (IS_ENCRYPTED(dir) &&
 	    (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
 	    !fscrypt_has_permitted_context(dir, inode)) {
-		f2fs_msg(inode->i_sb, KERN_WARNING,
-			 "Inconsistent encryption contexts: %lu/%lu",
-			 dir->i_ino, inode->i_ino);
+		f2fs_warn(inode->i_sb, "Inconsistent encryption contexts: %lu/%lu",
+			  dir->i_ino, inode->i_ino);
 		err = -EPERM;
 		goto out_iput;
 	}
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 18a038a2a9fa..1ab6f94e5914 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -34,9 +34,8 @@ int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid)
 {
 	if (unlikely(nid < F2FS_ROOT_INO(sbi) || nid >= NM_I(sbi)->max_nid)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
-		f2fs_msg(sbi->sb, KERN_WARNING,
-				"%s: out-of-range nid=%x, run fsck to fix.",
-				__func__, nid);
+		f2fs_warn(sbi->sb, "%s: out-of-range nid=%x, run fsck to fix.",
+			  __func__, nid);
 		return -EINVAL;
 	}
 	return 0;
@@ -1189,10 +1188,8 @@ int f2fs_remove_inode_page(struct inode *inode)
 	}
 
 	if (unlikely(inode->i_blocks != 0 && inode->i_blocks != 8)) {
-		f2fs_msg(F2FS_I_SB(inode)->sb, KERN_WARNING,
-			"Inconsistent i_blocks, ino:%lu, iblocks:%llu",
-			inode->i_ino,
-			(unsigned long long)inode->i_blocks);
+		f2fs_warn(F2FS_I_SB(inode)->sb, "Inconsistent i_blocks, ino:%lu, iblocks:%llu",
+			  inode->i_ino, (unsigned long long)inode->i_blocks);
 		set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
 	}
 
@@ -1380,11 +1377,10 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
 	}
 page_hit:
 	if(unlikely(nid != nid_of_node(page))) {
-		f2fs_msg(sbi->sb, KERN_WARNING, "inconsistent node block, "
-			"nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
-			nid, nid_of_node(page), ino_of_node(page),
-			ofs_of_node(page), cpver_of_node(page),
-			next_blkaddr_of_node(page));
+		f2fs_warn(sbi->sb, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
+			  nid, nid_of_node(page), ino_of_node(page),
+			  ofs_of_node(page), cpver_of_node(page),
+			  next_blkaddr_of_node(page));
 		err = -EINVAL;
 out_err:
 		ClearPageUptodate(page);
@@ -1752,9 +1748,8 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
 			break;
 	}
 	if (!ret && atomic && !marked) {
-		f2fs_msg(sbi->sb, KERN_DEBUG,
-			"Retry to write fsync mark: ino=%u, idx=%lx",
-					ino, last_page->index);
+		f2fs_debug(sbi->sb, "Retry to write fsync mark: ino=%u, idx=%lx",
+			   ino, last_page->index);
 		lock_page(last_page);
 		f2fs_wait_on_page_writeback(last_page, NODE, true, true);
 		set_page_dirty(last_page);
@@ -2304,8 +2299,7 @@ static int __f2fs_build_free_nids(struct f2fs_sb_info *sbi,
 			if (ret) {
 				up_read(&nm_i->nat_tree_lock);
 				f2fs_bug_on(sbi, !mount);
-				f2fs_msg(sbi->sb, KERN_ERR,
-					"NAT is corrupt, run fsck to fix it");
+				f2fs_err(sbi->sb, "NAT is corrupt, run fsck to fix it");
 				return ret;
 			}
 		}
@@ -2915,7 +2909,7 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi)
 	nm_i->full_nat_bits = nm_i->nat_bits + 8;
 	nm_i->empty_nat_bits = nm_i->full_nat_bits + nat_bits_bytes;
 
-	f2fs_msg(sbi->sb, KERN_NOTICE, "Found nat_bits in checkpoint");
+	f2fs_notice(sbi->sb, "Found nat_bits in checkpoint");
 	return 0;
 }
 
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index e04f82b3f4fc..431d7d150360 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -188,10 +188,9 @@ static int recover_dentry(struct inode *inode, struct page *ipage,
 		name = "<encrypted>";
 	else
 		name = raw_inode->i_name;
-	f2fs_msg(inode->i_sb, KERN_NOTICE,
-			"%s: ino = %x, name = %s, dir = %lx, err = %d",
-			__func__, ino_of_node(ipage), name,
-			IS_ERR(dir) ? 0 : dir->i_ino, err);
+	f2fs_notice(inode->i_sb, "%s: ino = %x, name = %s, dir = %lx, err = %d",
+		    __func__, ino_of_node(ipage), name,
+		    IS_ERR(dir) ? 0 : dir->i_ino, err);
 	return err;
 }
 
@@ -292,9 +291,8 @@ static int recover_inode(struct inode *inode, struct page *page)
 	else
 		name = F2FS_INODE(page)->i_name;
 
-	f2fs_msg(inode->i_sb, KERN_NOTICE,
-		"recover_inode: ino = %x, name = %s, inline = %x",
-			ino_of_node(page), name, raw->i_inline);
+	f2fs_notice(inode->i_sb, "recover_inode: ino = %x, name = %s, inline = %x",
+		    ino_of_node(page), name, raw->i_inline);
 	return 0;
 }
 
@@ -371,10 +369,9 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head,
 		/* sanity check in order to detect looped node chain */
 		if (++loop_cnt >= free_blocks ||
 			blkaddr == next_blkaddr_of_node(page)) {
-			f2fs_msg(sbi->sb, KERN_NOTICE,
-				"%s: detect looped node chain, "
-				"blkaddr:%u, next:%u",
-				__func__, blkaddr, next_blkaddr_of_node(page));
+			f2fs_notice(sbi->sb, "%s: detect looped node chain, blkaddr:%u, next:%u",
+				    __func__, blkaddr,
+				    next_blkaddr_of_node(page));
 			f2fs_put_page(page, 1);
 			err = -EINVAL;
 			break;
@@ -553,10 +550,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
 	f2fs_bug_on(sbi, ni.ino != ino_of_node(page));
 
 	if (ofs_of_node(dn.node_page) != ofs_of_node(page)) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"Inconsistent ofs_of_node, ino:%lu, ofs:%u, %u",
-			inode->i_ino, ofs_of_node(dn.node_page),
-			ofs_of_node(page));
+		f2fs_warn(sbi->sb, "Inconsistent ofs_of_node, ino:%lu, ofs:%u, %u",
+			  inode->i_ino, ofs_of_node(dn.node_page),
+			  ofs_of_node(page));
 		err = -EFAULT;
 		goto err;
 	}
@@ -642,11 +638,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
 err:
 	f2fs_put_dnode(&dn);
 out:
-	f2fs_msg(sbi->sb, KERN_NOTICE,
-		"recover_data: ino = %lx (i_size: %s) recovered = %d, err = %d",
-		inode->i_ino,
-		file_keep_isize(inode) ? "keep" : "recover",
-		recovered, err);
+	f2fs_notice(sbi->sb, "recover_data: ino = %lx (i_size: %s) recovered = %d, err = %d",
+		    inode->i_ino, file_keep_isize(inode) ? "keep" : "recover",
+		    recovered, err);
 	return err;
 }
 
@@ -734,8 +728,7 @@ int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
 #endif
 
 	if (s_flags & SB_RDONLY) {
-		f2fs_msg(sbi->sb, KERN_INFO,
-				"recover fsync data on readonly fs");
+		f2fs_info(sbi->sb, "recover fsync data on readonly fs");
 		sbi->sb->s_flags &= ~SB_RDONLY;
 	}
 
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1a83115284b9..462bc11ab369 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1744,8 +1744,7 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
 		devi = f2fs_target_device_index(sbi, blkstart);
 		if (blkstart < FDEV(devi).start_blk ||
 		    blkstart > FDEV(devi).end_blk) {
-			f2fs_msg(sbi->sb, KERN_ERR, "Invalid block %x",
-				 blkstart);
+			f2fs_err(sbi->sb, "Invalid block %x", blkstart);
 			return -EIO;
 		}
 		blkstart -= FDEV(devi).start_blk;
@@ -1758,10 +1757,9 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
 
 		if (sector & (bdev_zone_sectors(bdev) - 1) ||
 				nr_sects != bdev_zone_sectors(bdev)) {
-			f2fs_msg(sbi->sb, KERN_ERR,
-				"(%d) %s: Unaligned zone reset attempted (block %x + %x)",
-				devi, sbi->s_ndevs ? FDEV(devi).path: "",
-				blkstart, blklen);
+			f2fs_err(sbi->sb, "(%d) %s: Unaligned zone reset attempted (block %x + %x)",
+				 devi, sbi->s_ndevs ? FDEV(devi).path : "",
+				 blkstart, blklen);
 			return -EIO;
 		}
 		trace_f2fs_issue_reset_zone(bdev, blkstart);
@@ -2125,15 +2123,14 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
 		mir_exist = f2fs_test_and_set_bit(offset,
 						se->cur_valid_map_mir);
 		if (unlikely(exist != mir_exist)) {
-			f2fs_msg(sbi->sb, KERN_ERR, "Inconsistent error "
-				"when setting bitmap, blk:%u, old bit:%d",
-				blkaddr, exist);
+			f2fs_err(sbi->sb, "Inconsistent error when setting bitmap, blk:%u, old bit:%d",
+				 blkaddr, exist);
 			f2fs_bug_on(sbi, 1);
 		}
 #endif
 		if (unlikely(exist)) {
-			f2fs_msg(sbi->sb, KERN_ERR,
-				"Bitmap was wrongly set, blk:%u", blkaddr);
+			f2fs_err(sbi->sb, "Bitmap was wrongly set, blk:%u",
+				 blkaddr);
 			f2fs_bug_on(sbi, 1);
 			se->valid_blocks--;
 			del = 0;
@@ -2154,15 +2151,14 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
 		mir_exist = f2fs_test_and_clear_bit(offset,
 						se->cur_valid_map_mir);
 		if (unlikely(exist != mir_exist)) {
-			f2fs_msg(sbi->sb, KERN_ERR, "Inconsistent error "
-				"when clearing bitmap, blk:%u, old bit:%d",
-				blkaddr, exist);
+			f2fs_err(sbi->sb, "Inconsistent error when clearing bitmap, blk:%u, old bit:%d",
+				 blkaddr, exist);
 			f2fs_bug_on(sbi, 1);
 		}
 #endif
 		if (unlikely(!exist)) {
-			f2fs_msg(sbi->sb, KERN_ERR,
-				"Bitmap was wrongly cleared, blk:%u", blkaddr);
+			f2fs_err(sbi->sb, "Bitmap was wrongly cleared, blk:%u",
+				 blkaddr);
 			f2fs_bug_on(sbi, 1);
 			se->valid_blocks++;
 			del = 0;
@@ -2776,8 +2772,7 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
 		goto out;
 
 	if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"Found FS corruption, run fsck to fix.");
+		f2fs_warn(sbi->sb, "Found FS corruption, run fsck to fix.");
 		return -EIO;
 	}
 
@@ -3538,9 +3533,8 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
 	/* sanity check for summary blocks */
 	if (nats_in_cursum(nat_j) > NAT_JOURNAL_ENTRIES ||
 			sits_in_cursum(sit_j) > SIT_JOURNAL_ENTRIES) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"invalid journal entries nats %u sits %u\n",
-			nats_in_cursum(nat_j), sits_in_cursum(sit_j));
+		f2fs_err(sbi->sb, "invalid journal entries nats %u sits %u\n",
+			 nats_in_cursum(nat_j), sits_in_cursum(sit_j));
 		return -EINVAL;
 	}
 
@@ -4107,9 +4101,8 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
 
 		start = le32_to_cpu(segno_in_journal(journal, i));
 		if (start >= MAIN_SEGS(sbi)) {
-			f2fs_msg(sbi->sb, KERN_ERR,
-					"Wrong journal entry on segno %u",
-					start);
+			f2fs_err(sbi->sb, "Wrong journal entry on segno %u",
+				 start);
 			set_sbi_flag(sbi, SBI_NEED_FSCK);
 			err = -EINVAL;
 			break;
@@ -4148,9 +4141,8 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
 	up_read(&curseg->journal_rwsem);
 
 	if (!err && total_node_blocks != valid_node_count(sbi)) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"SIT is corrupted node# %u vs %u",
-			total_node_blocks, valid_node_count(sbi));
+		f2fs_err(sbi->sb, "SIT is corrupted node# %u vs %u",
+			 total_node_blocks, valid_node_count(sbi));
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		err = -EINVAL;
 	}
@@ -4266,12 +4258,10 @@ int sanity_check_curseg(struct f2fs_sb_info *sbi)
 			if (!f2fs_test_bit(blkofs, se->cur_valid_map))
 				continue;
 out:
-			f2fs_msg(sbi->sb, KERN_ERR,
-				"Current segment's next free block offset is "
-				"inconsistent with bitmap, logtype:%u, "
-				"segno:%u, type:%u, next_blkoff:%u, blkofs:%u",
-				i, curseg->segno, curseg->alloc_type,
-				curseg->next_blkoff, blkofs);
+			f2fs_err(sbi->sb,
+				 "Current segment's next free block offset is inconsistent with bitmap, logtype:%u, segno:%u, type:%u, next_blkoff:%u, blkofs:%u",
+				 i, curseg->segno, curseg->alloc_type,
+				 curseg->next_blkoff, blkofs);
 			return -EINVAL;
 		}
 	}
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 429007b8036e..ae29838939ab 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -693,9 +693,8 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
 	} while (cur_pos < sbi->blocks_per_seg);
 
 	if (unlikely(GET_SIT_VBLOCKS(raw_sit) != valid_blocks)) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-				"Mismatch valid blocks %d vs. %d",
-					GET_SIT_VBLOCKS(raw_sit), valid_blocks);
+		f2fs_err(sbi->sb, "Mismatch valid blocks %d vs. %d",
+			 GET_SIT_VBLOCKS(raw_sit), valid_blocks);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		return -EINVAL;
 	}
@@ -703,9 +702,8 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
 	/* check segment usage, and check boundary of a given segment number */
 	if (unlikely(GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg
 					|| segno > TOTAL_SEGS(sbi) - 1)) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-				"Wrong valid blocks %d or segno %u",
-					GET_SIT_VBLOCKS(raw_sit), segno);
+		f2fs_err(sbi->sb, "Wrong valid blocks %d or segno %u",
+			 GET_SIT_VBLOCKS(raw_sit), segno);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		return -EINVAL;
 	}
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 912e2619d581..39595e6c3db2 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -199,15 +199,20 @@ static match_table_t f2fs_tokens = {
 	{Opt_err, NULL},
 };
 
-void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)
+void f2fs_printk(struct super_block *sb, const char *fmt, ...)
 {
 	struct va_format vaf;
 	va_list args;
+	int level;
 
 	va_start(args, fmt);
-	vaf.fmt = fmt;
+
+	level = printk_get_level(fmt);
+	vaf.fmt = printk_skip_level(fmt);
 	vaf.va = &args;
-	printk("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf);
+	printk("%c%cF2FS-fs (%s): %pV\n",
+	       KERN_SOH_ASCII, level, sb->s_id, &vaf);
+
 	va_end(args);
 }
 
@@ -219,21 +224,19 @@ static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
 	if (test_opt(sbi, RESERVE_ROOT) &&
 			F2FS_OPTION(sbi).root_reserved_blocks > limit) {
 		F2FS_OPTION(sbi).root_reserved_blocks = limit;
-		f2fs_msg(sbi->sb, KERN_INFO,
-			"Reduce reserved blocks for root = %u",
-			F2FS_OPTION(sbi).root_reserved_blocks);
+		f2fs_info(sbi->sb, "Reduce reserved blocks for root = %u",
+			  F2FS_OPTION(sbi).root_reserved_blocks);
 	}
 	if (!test_opt(sbi, RESERVE_ROOT) &&
 		(!uid_eq(F2FS_OPTION(sbi).s_resuid,
 				make_kuid(&init_user_ns, F2FS_DEF_RESUID)) ||
 		!gid_eq(F2FS_OPTION(sbi).s_resgid,
 				make_kgid(&init_user_ns, F2FS_DEF_RESGID))))
-		f2fs_msg(sbi->sb, KERN_INFO,
-			"Ignore s_resuid=%u, s_resgid=%u w/o reserve_root",
-				from_kuid_munged(&init_user_ns,
-					F2FS_OPTION(sbi).s_resuid),
-				from_kgid_munged(&init_user_ns,
-					F2FS_OPTION(sbi).s_resgid));
+		f2fs_info(sbi->sb, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root",
+			  from_kuid_munged(&init_user_ns,
+					   F2FS_OPTION(sbi).s_resuid),
+			  from_kgid_munged(&init_user_ns,
+					   F2FS_OPTION(sbi).s_resgid));
 }
 
 static void init_once(void *foo)
@@ -254,35 +257,29 @@ static int f2fs_set_qf_name(struct super_block *sb, int qtype,
 	int ret = -EINVAL;
 
 	if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) {
-		f2fs_msg(sb, KERN_ERR,
-			"Cannot change journaled "
-			"quota options when quota turned on");
+		f2fs_err(sb, "Cannot change journaled quota options when quota turned on");
 		return -EINVAL;
 	}
 	if (f2fs_sb_has_quota_ino(sbi)) {
-		f2fs_msg(sb, KERN_INFO,
-			"QUOTA feature is enabled, so ignore qf_name");
+		f2fs_info(sb, "QUOTA feature is enabled, so ignore qf_name");
 		return 0;
 	}
 
 	qname = match_strdup(args);
 	if (!qname) {
-		f2fs_msg(sb, KERN_ERR,
-			"Not enough memory for storing quotafile name");
+		f2fs_err(sb, "Not enough memory for storing quotafile name");
 		return -ENOMEM;
 	}
 	if (F2FS_OPTION(sbi).s_qf_names[qtype]) {
 		if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0)
 			ret = 0;
 		else
-			f2fs_msg(sb, KERN_ERR,
-				 "%s quota file already specified",
+			f2fs_err(sb, "%s quota file already specified",
 				 QTYPE2NAME(qtype));
 		goto errout;
 	}
 	if (strchr(qname, '/')) {
-		f2fs_msg(sb, KERN_ERR,
-			"quotafile must be on filesystem root");
+		f2fs_err(sb, "quotafile must be on filesystem root");
 		goto errout;
 	}
 	F2FS_OPTION(sbi).s_qf_names[qtype] = qname;
@@ -298,8 +295,7 @@ static int f2fs_clear_qf_name(struct super_block *sb, int qtype)
 	struct f2fs_sb_info *sbi = F2FS_SB(sb);
 
 	if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) {
-		f2fs_msg(sb, KERN_ERR, "Cannot change journaled quota options"
-			" when quota turned on");
+		f2fs_err(sb, "Cannot change journaled quota options when quota turned on");
 		return -EINVAL;
 	}
 	kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]);
@@ -315,8 +311,7 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
 	 * to support legacy quotas in quota files.
 	 */
 	if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) {
-		f2fs_msg(sbi->sb, KERN_ERR, "Project quota feature not enabled. "
-			 "Cannot enable project quota enforcement.");
+		f2fs_err(sbi->sb, "Project quota feature not enabled. Cannot enable project quota enforcement.");
 		return -1;
 	}
 	if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
@@ -336,21 +331,18 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
 
 		if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) ||
 				test_opt(sbi, PRJQUOTA)) {
-			f2fs_msg(sbi->sb, KERN_ERR, "old and new quota "
-					"format mixing");
+			f2fs_err(sbi->sb, "old and new quota format mixing");
 			return -1;
 		}
 
 		if (!F2FS_OPTION(sbi).s_jquota_fmt) {
-			f2fs_msg(sbi->sb, KERN_ERR, "journaled quota format "
-					"not specified");
+			f2fs_err(sbi->sb, "journaled quota format not specified");
 			return -1;
 		}
 	}
 
 	if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) {
-		f2fs_msg(sbi->sb, KERN_INFO,
-			"QUOTA feature is enabled, so ignore jquota_fmt");
+		f2fs_info(sbi->sb, "QUOTA feature is enabled, so ignore jquota_fmt");
 		F2FS_OPTION(sbi).s_jquota_fmt = 0;
 	}
 	return 0;
@@ -418,8 +410,7 @@ static int parse_options(struct super_block *sb, char *options)
 			break;
 		case Opt_nodiscard:
 			if (f2fs_sb_has_blkzoned(sbi)) {
-				f2fs_msg(sb, KERN_WARNING,
-					"discard is required for zoned block devices");
+				f2fs_warn(sb, "discard is required for zoned block devices");
 				return -EINVAL;
 			}
 			clear_opt(sbi, DISCARD);
@@ -451,20 +442,16 @@ static int parse_options(struct super_block *sb, char *options)
 			break;
 #else
 		case Opt_user_xattr:
-			f2fs_msg(sb, KERN_INFO,
-				"user_xattr options not supported");
+			f2fs_info(sb, "user_xattr options not supported");
 			break;
 		case Opt_nouser_xattr:
-			f2fs_msg(sb, KERN_INFO,
-				"nouser_xattr options not supported");
+			f2fs_info(sb, "nouser_xattr options not supported");
 			break;
 		case Opt_inline_xattr:
-			f2fs_msg(sb, KERN_INFO,
-				"inline_xattr options not supported");
+			f2fs_info(sb, "inline_xattr options not supported");
 			break;
 		case Opt_noinline_xattr:
-			f2fs_msg(sb, KERN_INFO,
-				"noinline_xattr options not supported");
+			f2fs_info(sb, "noinline_xattr options not supported");
 			break;
 #endif
 #ifdef CONFIG_F2FS_FS_POSIX_ACL
@@ -476,10 +463,10 @@ static int parse_options(struct super_block *sb, char *options)
 			break;
 #else
 		case Opt_acl:
-			f2fs_msg(sb, KERN_INFO, "acl options not supported");
+			f2fs_info(sb, "acl options not supported");
 			break;
 		case Opt_noacl:
-			f2fs_msg(sb, KERN_INFO, "noacl options not supported");
+			f2fs_info(sb, "noacl options not supported");
 			break;
 #endif
 		case Opt_active_logs:
@@ -529,9 +516,8 @@ static int parse_options(struct super_block *sb, char *options)
 			if (args->from && match_int(args, &arg))
 				return -EINVAL;
 			if (test_opt(sbi, RESERVE_ROOT)) {
-				f2fs_msg(sb, KERN_INFO,
-					"Preserve previous reserve_root=%u",
-					F2FS_OPTION(sbi).root_reserved_blocks);
+				f2fs_info(sb, "Preserve previous reserve_root=%u",
+					  F2FS_OPTION(sbi).root_reserved_blocks);
 			} else {
 				F2FS_OPTION(sbi).root_reserved_blocks = arg;
 				set_opt(sbi, RESERVE_ROOT);
@@ -542,8 +528,7 @@ static int parse_options(struct super_block *sb, char *options)
 				return -EINVAL;
 			uid = make_kuid(current_user_ns(), arg);
 			if (!uid_valid(uid)) {
-				f2fs_msg(sb, KERN_ERR,
-					"Invalid uid value %d", arg);
+				f2fs_err(sb, "Invalid uid value %d", arg);
 				return -EINVAL;
 			}
 			F2FS_OPTION(sbi).s_resuid = uid;
@@ -553,8 +538,7 @@ static int parse_options(struct super_block *sb, char *options)
 				return -EINVAL;
 			gid = make_kgid(current_user_ns(), arg);
 			if (!gid_valid(gid)) {
-				f2fs_msg(sb, KERN_ERR,
-					"Invalid gid value %d", arg);
+				f2fs_err(sb, "Invalid gid value %d", arg);
 				return -EINVAL;
 			}
 			F2FS_OPTION(sbi).s_resgid = gid;
@@ -567,9 +551,7 @@ static int parse_options(struct super_block *sb, char *options)
 			if (strlen(name) == 8 &&
 					!strncmp(name, "adaptive", 8)) {
 				if (f2fs_sb_has_blkzoned(sbi)) {
-					f2fs_msg(sb, KERN_WARNING,
-						 "adaptive mode is not allowed with "
-						 "zoned block device feature");
+					f2fs_warn(sb, "adaptive mode is not allowed with zoned block device feature");
 					kvfree(name);
 					return -EINVAL;
 				}
@@ -587,9 +569,8 @@ static int parse_options(struct super_block *sb, char *options)
 			if (args->from && match_int(args, &arg))
 				return -EINVAL;
 			if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) {
-				f2fs_msg(sb, KERN_WARNING,
-					"Not support %d, larger than %d",
-					1 << arg, BIO_MAX_PAGES);
+				f2fs_warn(sb, "Not support %d, larger than %d",
+					  1 << arg, BIO_MAX_PAGES);
 				return -EINVAL;
 			}
 			F2FS_OPTION(sbi).write_io_size_bits = arg;
@@ -610,13 +591,11 @@ static int parse_options(struct super_block *sb, char *options)
 			break;
 #else
 		case Opt_fault_injection:
-			f2fs_msg(sb, KERN_INFO,
-				"fault_injection options not supported");
+			f2fs_info(sb, "fault_injection options not supported");
 			break;
 
 		case Opt_fault_type:
-			f2fs_msg(sb, KERN_INFO,
-				"fault_type options not supported");
+			f2fs_info(sb, "fault_type options not supported");
 			break;
 #endif
 		case Opt_lazytime:
@@ -696,8 +675,7 @@ static int parse_options(struct super_block *sb, char *options)
 		case Opt_jqfmt_vfsv0:
 		case Opt_jqfmt_vfsv1:
 		case Opt_noquota:
-			f2fs_msg(sb, KERN_INFO,
-					"quota operations not supported");
+			f2fs_info(sb, "quota operations not supported");
 			break;
 #endif
 		case Opt_whint:
@@ -759,16 +737,14 @@ static int parse_options(struct super_block *sb, char *options)
 		case Opt_test_dummy_encryption:
 #ifdef CONFIG_FS_ENCRYPTION
 			if (!f2fs_sb_has_encrypt(sbi)) {
-				f2fs_msg(sb, KERN_ERR, "Encrypt feature is off");
+				f2fs_err(sb, "Encrypt feature is off");
 				return -EINVAL;
 			}
 
 			F2FS_OPTION(sbi).test_dummy_encryption = true;
-			f2fs_msg(sb, KERN_INFO,
-					"Test dummy encryption mode enabled");
+			f2fs_info(sb, "Test dummy encryption mode enabled");
 #else
-			f2fs_msg(sb, KERN_INFO,
-					"Test dummy encryption mount option ignored");
+			f2fs_info(sb, "Test dummy encryption mount option ignored");
 #endif
 			break;
 		case Opt_checkpoint:
@@ -789,9 +765,8 @@ static int parse_options(struct super_block *sb, char *options)
 			kvfree(name);
 			break;
 		default:
-			f2fs_msg(sb, KERN_ERR,
-				"Unrecognized mount option \"%s\" or missing value",
-				p);
+			f2fs_err(sb, "Unrecognized mount option \"%s\" or missing value",
+				 p);
 			return -EINVAL;
 		}
 	}
@@ -800,23 +775,18 @@ static int parse_options(struct super_block *sb, char *options)
 		return -EINVAL;
 #else
 	if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) {
-		f2fs_msg(sbi->sb, KERN_INFO,
-			 "Filesystem with quota feature cannot be mounted RDWR "
-			 "without CONFIG_QUOTA");
+		f2fs_info(sbi->sb, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA");
 		return -EINVAL;
 	}
 	if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) {
-		f2fs_msg(sb, KERN_ERR,
-			"Filesystem with project quota feature cannot be "
-			"mounted RDWR without CONFIG_QUOTA");
+		f2fs_err(sb, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA");
 		return -EINVAL;
 	}
 #endif
 
 	if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) {
-		f2fs_msg(sb, KERN_ERR,
-				"Should set mode=lfs with %uKB-sized IO",
-				F2FS_IO_SIZE_KB(sbi));
+		f2fs_err(sb, "Should set mode=lfs with %uKB-sized IO",
+			 F2FS_IO_SIZE_KB(sbi));
 		return -EINVAL;
 	}
 
@@ -825,15 +795,11 @@ static int parse_options(struct super_block *sb, char *options)
 
 		if (!f2fs_sb_has_extra_attr(sbi) ||
 			!f2fs_sb_has_flexible_inline_xattr(sbi)) {
-			f2fs_msg(sb, KERN_ERR,
-					"extra_attr or flexible_inline_xattr "
-					"feature is off");
+			f2fs_err(sb, "extra_attr or flexible_inline_xattr feature is off");
 			return -EINVAL;
 		}
 		if (!test_opt(sbi, INLINE_XATTR)) {
-			f2fs_msg(sb, KERN_ERR,
-					"inline_xattr_size option should be "
-					"set with inline_xattr option");
+			f2fs_err(sb, "inline_xattr_size option should be set with inline_xattr option");
 			return -EINVAL;
 		}
 
@@ -842,16 +808,14 @@ static int parse_options(struct super_block *sb, char *options)
 
 		if (F2FS_OPTION(sbi).inline_xattr_size < min_size ||
 				F2FS_OPTION(sbi).inline_xattr_size > max_size) {
-			f2fs_msg(sb, KERN_ERR,
-				"inline xattr size is out of range: %d ~ %d",
-				min_size, max_size);
+			f2fs_err(sb, "inline xattr size is out of range: %d ~ %d",
+				 min_size, max_size);
 			return -EINVAL;
 		}
 	}
 
 	if (test_opt(sbi, DISABLE_CHECKPOINT) && test_opt(sbi, LFS)) {
-		f2fs_msg(sb, KERN_ERR,
-				"LFS not compatible with checkpoint=disable\n");
+		f2fs_err(sb, "LFS not compatible with checkpoint=disable\n");
 		return -EINVAL;
 	}
 
@@ -1469,8 +1433,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
 	int ret;
 
 	if (s_flags & SB_RDONLY) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-				"checkpoint=disable on readonly fs");
+		f2fs_err(sbi->sb, "checkpoint=disable on readonly fs");
 		return -EINVAL;
 	}
 	sbi->sb->s_flags |= SB_ACTIVE;
@@ -1572,8 +1535,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
 	/* recover superblocks we couldn't write due to previous RO mount */
 	if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) {
 		err = f2fs_commit_super(sbi, false);
-		f2fs_msg(sb, KERN_INFO,
-			"Try to recover all the superblocks, ret: %d", err);
+		f2fs_info(sb, "Try to recover all the superblocks, ret: %d",
+			  err);
 		if (!err)
 			clear_sbi_flag(sbi, SBI_NEED_SB_WRITE);
 	}
@@ -1614,15 +1577,13 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
 	/* disallow enable/disable extent_cache dynamically */
 	if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) {
 		err = -EINVAL;
-		f2fs_msg(sbi->sb, KERN_WARNING,
-				"switch extent_cache option is not allowed");
+		f2fs_warn(sbi->sb, "switch extent_cache option is not allowed");
 		goto restore_opts;
 	}
 
 	if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) {
 		err = -EINVAL;
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"disabling checkpoint not compatible with read-only");
+		f2fs_warn(sbi->sb, "disabling checkpoint not compatible with read-only");
 		goto restore_opts;
 	}
 
@@ -1692,8 +1653,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
 restore_gc:
 	if (need_restart_gc) {
 		if (f2fs_start_gc_thread(sbi))
-			f2fs_msg(sbi->sb, KERN_WARNING,
-				"background gc thread has stopped");
+			f2fs_warn(sbi->sb, "background gc thread has stopped");
 	} else if (need_stop_gc) {
 		f2fs_stop_gc_thread(sbi);
 	}
@@ -1832,8 +1792,7 @@ static qsize_t *f2fs_get_reserved_space(struct inode *inode)
 static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type)
 {
 	if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"quota sysfile may be corrupted, skip loading it");
+		f2fs_err(sbi->sb, "quota sysfile may be corrupted, skip loading it");
 		return 0;
 	}
 
@@ -1849,8 +1808,7 @@ int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly)
 	if (f2fs_sb_has_quota_ino(sbi) && rdonly) {
 		err = f2fs_enable_quotas(sbi->sb);
 		if (err) {
-			f2fs_msg(sbi->sb, KERN_ERR,
-					"Cannot turn on quota_ino: %d", err);
+			f2fs_err(sbi->sb, "Cannot turn on quota_ino: %d", err);
 			return 0;
 		}
 		return 1;
@@ -1863,8 +1821,8 @@ int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly)
 				enabled = 1;
 				continue;
 			}
-			f2fs_msg(sbi->sb, KERN_ERR,
-				"Cannot turn on quotas: %d on %d", err, i);
+			f2fs_err(sbi->sb, "Cannot turn on quotas: %d on %d",
+				 err, i);
 		}
 	}
 	return enabled;
@@ -1885,8 +1843,7 @@ static int f2fs_quota_enable(struct super_block *sb, int type, int format_id,
 
 	qf_inode = f2fs_iget(sb, qf_inum);
 	if (IS_ERR(qf_inode)) {
-		f2fs_msg(sb, KERN_ERR,
-			"Bad quota inode %u:%lu", type, qf_inum);
+		f2fs_err(sb, "Bad quota inode %u:%lu", type, qf_inum);
 		return PTR_ERR(qf_inode);
 	}
 
@@ -1908,8 +1865,7 @@ static int f2fs_enable_quotas(struct super_block *sb)
 	};
 
 	if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) {
-		f2fs_msg(sb, KERN_ERR,
-			"quota file may be corrupted, skip loading it");
+		f2fs_err(sb, "quota file may be corrupted, skip loading it");
 		return 0;
 	}
 
@@ -1922,10 +1878,8 @@ static int f2fs_enable_quotas(struct super_block *sb)
 				DQUOT_USAGE_ENABLED |
 				(quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0));
 			if (err) {
-				f2fs_msg(sb, KERN_ERR,
-					"Failed to enable quota tracking "
-					"(type=%d, err=%d). Please run "
-					"fsck to fix.", type, err);
+				f2fs_err(sb, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.",
+					 type, err);
 				for (type--; type >= 0; type--)
 					dquot_quota_off(sb, type);
 				set_sbi_flag(F2FS_SB(sb),
@@ -2045,10 +1999,8 @@ void f2fs_quota_off_umount(struct super_block *sb)
 		if (err) {
 			int ret = dquot_quota_off(sb, type);
 
-			f2fs_msg(sb, KERN_ERR,
-				"Fail to turn off disk quota "
-				"(type: %d, err: %d, ret:%d), Please "
-				"run fsck to fix it.", type, err, ret);
+			f2fs_err(sb, "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.",
+				 type, err, ret);
 			set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
 		}
 	}
@@ -2341,55 +2293,49 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
 				(segment_count << log_blocks_per_seg);
 
 	if (segment0_blkaddr != cp_blkaddr) {
-		f2fs_msg(sb, KERN_INFO,
-			"Mismatch start address, segment0(%u) cp_blkaddr(%u)",
-			segment0_blkaddr, cp_blkaddr);
+		f2fs_info(sb, "Mismatch start address, segment0(%u) cp_blkaddr(%u)",
+			  segment0_blkaddr, cp_blkaddr);
 		return true;
 	}
 
 	if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) !=
 							sit_blkaddr) {
-		f2fs_msg(sb, KERN_INFO,
-			"Wrong CP boundary, start(%u) end(%u) blocks(%u)",
-			cp_blkaddr, sit_blkaddr,
-			segment_count_ckpt << log_blocks_per_seg);
+		f2fs_info(sb, "Wrong CP boundary, start(%u) end(%u) blocks(%u)",
+			  cp_blkaddr, sit_blkaddr,
+			  segment_count_ckpt << log_blocks_per_seg);
 		return true;
 	}
 
 	if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) !=
 							nat_blkaddr) {
-		f2fs_msg(sb, KERN_INFO,
-			"Wrong SIT boundary, start(%u) end(%u) blocks(%u)",
-			sit_blkaddr, nat_blkaddr,
-			segment_count_sit << log_blocks_per_seg);
+		f2fs_info(sb, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)",
+			  sit_blkaddr, nat_blkaddr,
+			  segment_count_sit << log_blocks_per_seg);
 		return true;
 	}
 
 	if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) !=
 							ssa_blkaddr) {
-		f2fs_msg(sb, KERN_INFO,
-			"Wrong NAT boundary, start(%u) end(%u) blocks(%u)",
-			nat_blkaddr, ssa_blkaddr,
-			segment_count_nat << log_blocks_per_seg);
+		f2fs_info(sb, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)",
+			  nat_blkaddr, ssa_blkaddr,
+			  segment_count_nat << log_blocks_per_seg);
 		return true;
 	}
 
 	if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) !=
 							main_blkaddr) {
-		f2fs_msg(sb, KERN_INFO,
-			"Wrong SSA boundary, start(%u) end(%u) blocks(%u)",
-			ssa_blkaddr, main_blkaddr,
-			segment_count_ssa << log_blocks_per_seg);
+		f2fs_info(sb, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)",
+			  ssa_blkaddr, main_blkaddr,
+			  segment_count_ssa << log_blocks_per_seg);
 		return true;
 	}
 
 	if (main_end_blkaddr > seg_end_blkaddr) {
-		f2fs_msg(sb, KERN_INFO,
-			"Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)",
-			main_blkaddr,
-			segment0_blkaddr +
-				(segment_count << log_blocks_per_seg),
-			segment_count_main << log_blocks_per_seg);
+		f2fs_info(sb, "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)",
+			  main_blkaddr,
+			  segment0_blkaddr +
+			  (segment_count << log_blocks_per_seg),
+			  segment_count_main << log_blocks_per_seg);
 		return true;
 	} else if (main_end_blkaddr < seg_end_blkaddr) {
 		int err = 0;
@@ -2406,12 +2352,11 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
 			err = __f2fs_commit_super(bh, NULL);
 			res = err ? "failed" : "done";
 		}
-		f2fs_msg(sb, KERN_INFO,
-			"Fix alignment : %s, start(%u) end(%u) block(%u)",
-			res, main_blkaddr,
-			segment0_blkaddr +
-				(segment_count << log_blocks_per_seg),
-			segment_count_main << log_blocks_per_seg);
+		f2fs_info(sb, "Fix alignment : %s, start(%u) end(%u) block(%u)",
+			  res, main_blkaddr,
+			  segment0_blkaddr +
+			  (segment_count << log_blocks_per_seg),
+			  segment_count_main << log_blocks_per_seg);
 		if (err)
 			return true;
 	}
@@ -2435,48 +2380,42 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
 		crc_offset = le32_to_cpu(raw_super->checksum_offset);
 		if (crc_offset !=
 			offsetof(struct f2fs_super_block, crc)) {
-			f2fs_msg(sb, KERN_INFO,
-				"Invalid SB checksum offset: %zu",
-				crc_offset);
+			f2fs_info(sb, "Invalid SB checksum offset: %zu",
+				  crc_offset);
 			return 1;
 		}
 		crc = le32_to_cpu(raw_super->crc);
 		if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) {
-			f2fs_msg(sb, KERN_INFO,
-				"Invalid SB checksum value: %u", crc);
+			f2fs_info(sb, "Invalid SB checksum value: %u", crc);
 			return 1;
 		}
 	}
 
 	if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) {
-		f2fs_msg(sb, KERN_INFO,
-			"Magic Mismatch, valid(0x%x) - read(0x%x)",
-			F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
+		f2fs_info(sb, "Magic Mismatch, valid(0x%x) - read(0x%x)",
+			  F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
 		return 1;
 	}
 
 	/* Currently, support only 4KB page cache size */
 	if (F2FS_BLKSIZE != PAGE_SIZE) {
-		f2fs_msg(sb, KERN_INFO,
-			"Invalid page_cache_size (%lu), supports only 4KB",
-			PAGE_SIZE);
+		f2fs_info(sb, "Invalid page_cache_size (%lu), supports only 4KB",
+			  PAGE_SIZE);
 		return 1;
 	}
 
 	/* Currently, support only 4KB block size */
 	blocksize = 1 << le32_to_cpu(raw_super->log_blocksize);
 	if (blocksize != F2FS_BLKSIZE) {
-		f2fs_msg(sb, KERN_INFO,
-			"Invalid blocksize (%u), supports only 4KB",
-			blocksize);
+		f2fs_info(sb, "Invalid blocksize (%u), supports only 4KB",
+			  blocksize);
 		return 1;
 	}
 
 	/* check log blocks per segment */
 	if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) {
-		f2fs_msg(sb, KERN_INFO,
-			"Invalid log blocks per segment (%u)",
-			le32_to_cpu(raw_super->log_blocks_per_seg));
+		f2fs_info(sb, "Invalid log blocks per segment (%u)",
+			  le32_to_cpu(raw_super->log_blocks_per_seg));
 		return 1;
 	}
 
@@ -2485,17 +2424,16 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
 				F2FS_MAX_LOG_SECTOR_SIZE ||
 		le32_to_cpu(raw_super->log_sectorsize) <
 				F2FS_MIN_LOG_SECTOR_SIZE) {
-		f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize (%u)",
-			le32_to_cpu(raw_super->log_sectorsize));
+		f2fs_info(sb, "Invalid log sectorsize (%u)",
+			  le32_to_cpu(raw_super->log_sectorsize));
 		return 1;
 	}
 	if (le32_to_cpu(raw_super->log_sectors_per_block) +
 		le32_to_cpu(raw_super->log_sectorsize) !=
 			F2FS_MAX_LOG_SECTOR_SIZE) {
-		f2fs_msg(sb, KERN_INFO,
-			"Invalid log sectors per block(%u) log sectorsize(%u)",
-			le32_to_cpu(raw_super->log_sectors_per_block),
-			le32_to_cpu(raw_super->log_sectorsize));
+		f2fs_info(sb, "Invalid log sectors per block(%u) log sectorsize(%u)",
+			  le32_to_cpu(raw_super->log_sectors_per_block),
+			  le32_to_cpu(raw_super->log_sectorsize));
 		return 1;
 	}
 
@@ -2509,59 +2447,51 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
 
 	if (segment_count > F2FS_MAX_SEGMENT ||
 				segment_count < F2FS_MIN_SEGMENTS) {
-		f2fs_msg(sb, KERN_INFO,
-			"Invalid segment count (%u)",
-			segment_count);
+		f2fs_info(sb, "Invalid segment count (%u)", segment_count);
 		return 1;
 	}
 
 	if (total_sections > segment_count ||
 			total_sections < F2FS_MIN_SEGMENTS ||
 			segs_per_sec > segment_count || !segs_per_sec) {
-		f2fs_msg(sb, KERN_INFO,
-			"Invalid segment/section count (%u, %u x %u)",
-			segment_count, total_sections, segs_per_sec);
+		f2fs_info(sb, "Invalid segment/section count (%u, %u x %u)",
+			  segment_count, total_sections, segs_per_sec);
 		return 1;
 	}
 
 	if ((segment_count / segs_per_sec) < total_sections) {
-		f2fs_msg(sb, KERN_INFO,
-			"Small segment_count (%u < %u * %u)",
-			segment_count, segs_per_sec, total_sections);
+		f2fs_info(sb, "Small segment_count (%u < %u * %u)",
+			  segment_count, segs_per_sec, total_sections);
 		return 1;
 	}
 
 	if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) {
-		f2fs_msg(sb, KERN_INFO,
-			"Wrong segment_count / block_count (%u > %llu)",
-			segment_count, le64_to_cpu(raw_super->block_count));
+		f2fs_info(sb, "Wrong segment_count / block_count (%u > %llu)",
+			  segment_count, le64_to_cpu(raw_super->block_count));
 		return 1;
 	}
 
 	if (secs_per_zone > total_sections || !secs_per_zone) {
-		f2fs_msg(sb, KERN_INFO,
-			"Wrong secs_per_zone / total_sections (%u, %u)",
-			secs_per_zone, total_sections);
+		f2fs_info(sb, "Wrong secs_per_zone / total_sections (%u, %u)",
+			  secs_per_zone, total_sections);
 		return 1;
 	}
 	if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION ||
 			raw_super->hot_ext_count > F2FS_MAX_EXTENSION ||
 			(le32_to_cpu(raw_super->extension_count) +
 			raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) {
-		f2fs_msg(sb, KERN_INFO,
-			"Corrupted extension count (%u + %u > %u)",
-			le32_to_cpu(raw_super->extension_count),
-			raw_super->hot_ext_count,
-			F2FS_MAX_EXTENSION);
+		f2fs_info(sb, "Corrupted extension count (%u + %u > %u)",
+			  le32_to_cpu(raw_super->extension_count),
+			  raw_super->hot_ext_count,
+			  F2FS_MAX_EXTENSION);
 		return 1;
 	}
 
 	if (le32_to_cpu(raw_super->cp_payload) >
 				(blocks_per_seg - F2FS_CP_PACKS)) {
-		f2fs_msg(sb, KERN_INFO,
-			"Insane cp_payload (%u > %u)",
-			le32_to_cpu(raw_super->cp_payload),
-			blocks_per_seg - F2FS_CP_PACKS);
+		f2fs_info(sb, "Insane cp_payload (%u > %u)",
+			  le32_to_cpu(raw_super->cp_payload),
+			  blocks_per_seg - F2FS_CP_PACKS);
 		return 1;
 	}
 
@@ -2569,11 +2499,10 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
 	if (le32_to_cpu(raw_super->node_ino) != 1 ||
 		le32_to_cpu(raw_super->meta_ino) != 2 ||
 		le32_to_cpu(raw_super->root_ino) != 3) {
-		f2fs_msg(sb, KERN_INFO,
-			"Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)",
-			le32_to_cpu(raw_super->node_ino),
-			le32_to_cpu(raw_super->meta_ino),
-			le32_to_cpu(raw_super->root_ino));
+		f2fs_info(sb, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)",
+			  le32_to_cpu(raw_super->node_ino),
+			  le32_to_cpu(raw_super->meta_ino),
+			  le32_to_cpu(raw_super->root_ino));
 		return 1;
 	}
 
@@ -2617,8 +2546,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 
 	if (unlikely(fsmeta < F2FS_MIN_SEGMENTS ||
 			ovp_segments == 0 || reserved_segments == 0)) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"Wrong layout: check mkfs.f2fs version");
+		f2fs_err(sbi->sb, "Wrong layout: check mkfs.f2fs version");
 		return 1;
 	}
 
@@ -2627,16 +2555,15 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 	log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);
 	if (!user_block_count || user_block_count >=
 			segment_count_main << log_blocks_per_seg) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"Wrong user_block_count: %u", user_block_count);
+		f2fs_err(sbi->sb, "Wrong user_block_count: %u",
+			 user_block_count);
 		return 1;
 	}
 
 	valid_user_blocks = le64_to_cpu(ckpt->valid_block_count);
 	if (valid_user_blocks > user_block_count) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"Wrong valid_user_blocks: %u, user_block_count: %u",
-			valid_user_blocks, user_block_count);
+		f2fs_err(sbi->sb, "Wrong valid_user_blocks: %u, user_block_count: %u",
+			 valid_user_blocks, user_block_count);
 		return 1;
 	}
 
@@ -2644,9 +2571,8 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 	avail_node_count = sbi->total_node_count - sbi->nquota_files -
 						F2FS_RESERVED_NODE_NUM;
 	if (valid_node_count > avail_node_count) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"Wrong valid_node_count: %u, avail_node_count: %u",
-			valid_node_count, avail_node_count);
+		f2fs_err(sbi->sb, "Wrong valid_node_count: %u, avail_node_count: %u",
+			 valid_node_count, avail_node_count);
 		return 1;
 	}
 
@@ -2660,10 +2586,9 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 		for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) {
 			if (le32_to_cpu(ckpt->cur_node_segno[i]) ==
 				le32_to_cpu(ckpt->cur_node_segno[j])) {
-				f2fs_msg(sbi->sb, KERN_ERR,
-					"Node segment (%u, %u) has the same "
-					"segno: %u", i, j,
-					le32_to_cpu(ckpt->cur_node_segno[i]));
+				f2fs_err(sbi->sb, "Node segment (%u, %u) has the same segno: %u",
+					 i, j,
+					 le32_to_cpu(ckpt->cur_node_segno[i]));
 				return 1;
 			}
 		}
@@ -2675,10 +2600,9 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 		for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) {
 			if (le32_to_cpu(ckpt->cur_data_segno[i]) ==
 				le32_to_cpu(ckpt->cur_data_segno[j])) {
-				f2fs_msg(sbi->sb, KERN_ERR,
-					"Data segment (%u, %u) has the same "
-					"segno: %u", i, j,
-					le32_to_cpu(ckpt->cur_data_segno[i]));
+				f2fs_err(sbi->sb, "Data segment (%u, %u) has the same segno: %u",
+					 i, j,
+					 le32_to_cpu(ckpt->cur_data_segno[i]));
 				return 1;
 			}
 		}
@@ -2687,10 +2611,9 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 		for (j = i; j < NR_CURSEG_DATA_TYPE; j++) {
 			if (le32_to_cpu(ckpt->cur_node_segno[i]) ==
 				le32_to_cpu(ckpt->cur_data_segno[j])) {
-				f2fs_msg(sbi->sb, KERN_ERR,
-					"Data segment (%u) and Data segment (%u)"
-					" has the same segno: %u", i, j,
-					le32_to_cpu(ckpt->cur_node_segno[i]));
+				f2fs_err(sbi->sb, "Data segment (%u) and Data segment (%u) has the same segno: %u",
+					 i, j,
+					 le32_to_cpu(ckpt->cur_node_segno[i]));
 				return 1;
 			}
 		}
@@ -2701,9 +2624,8 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 
 	if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 ||
 		nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"Wrong bitmap size: sit: %u, nat:%u",
-			sit_bitmap_size, nat_bitmap_size);
+		f2fs_err(sbi->sb, "Wrong bitmap size: sit: %u, nat:%u",
+			 sit_bitmap_size, nat_bitmap_size);
 		return 1;
 	}
 
@@ -2712,23 +2634,20 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 	if (cp_pack_start_sum < cp_payload + 1 ||
 		cp_pack_start_sum > blocks_per_seg - 1 -
 			NR_CURSEG_TYPE) {
-		f2fs_msg(sbi->sb, KERN_ERR,
-			"Wrong cp_pack_start_sum: %u",
-			cp_pack_start_sum);
+		f2fs_err(sbi->sb, "Wrong cp_pack_start_sum: %u",
+			 cp_pack_start_sum);
 		return 1;
 	}
 
 	if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) &&
 		le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) {
-		f2fs_msg(sbi->sb, KERN_WARNING,
-			"layout of large_nat_bitmap is deprecated, "
-			"run fsck to repair, chksum_offset: %u",
-			le32_to_cpu(ckpt->checksum_offset));
+		f2fs_warn(sbi->sb, "layout of large_nat_bitmap is deprecated, run fsck to repair, chksum_offset: %u",
+			  le32_to_cpu(ckpt->checksum_offset));
 		return 1;
 	}
 
 	if (unlikely(f2fs_cp_error(sbi))) {
-		f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck");
+		f2fs_err(sbi->sb, "A bug case: need to run fsck");
 		return 1;
 	}
 	return 0;
@@ -2897,17 +2816,16 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
 	for (block = 0; block < 2; block++) {
 		bh = sb_bread(sb, block);
 		if (!bh) {
-			f2fs_msg(sb, KERN_ERR, "Unable to read %dth superblock",
-				block + 1);
+			f2fs_err(sb, "Unable to read %dth superblock",
+				 block + 1);
 			err = -EIO;
 			continue;
 		}
 
 		/* sanity checking of raw super */
 		if (sanity_check_raw_super(sbi, bh)) {
-			f2fs_msg(sb, KERN_ERR,
-				"Can't find valid F2FS filesystem in %dth superblock",
-				block + 1);
+			f2fs_err(sb, "Can't find valid F2FS filesystem in %dth superblock",
+				 block + 1);
 			err = -EINVAL;
 			brelse(bh);
 			continue;
@@ -3037,36 +2955,32 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
 #ifdef CONFIG_BLK_DEV_ZONED
 		if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM &&
 				!f2fs_sb_has_blkzoned(sbi)) {
-			f2fs_msg(sbi->sb, KERN_ERR,
-				"Zoned block device feature not enabled\n");
+			f2fs_err(sbi->sb, "Zoned block device feature not enabled\n");
 			return -EINVAL;
 		}
 		if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) {
 			if (init_blkz_info(sbi, i)) {
-				f2fs_msg(sbi->sb, KERN_ERR,
-					"Failed to initialize F2FS blkzone information");
+				f2fs_err(sbi->sb, "Failed to initialize F2FS blkzone information");
 				return -EINVAL;
 			}
 			if (max_devices == 1)
 				break;
-			f2fs_msg(sbi->sb, KERN_INFO,
-				"Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)",
-				i, FDEV(i).path,
-				FDEV(i).total_segments,
-				FDEV(i).start_blk, FDEV(i).end_blk,
-				bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ?
-				"Host-aware" : "Host-managed");
+			f2fs_info(sbi->sb, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)",
+				  i, FDEV(i).path,
+				  FDEV(i).total_segments,
+				  FDEV(i).start_blk, FDEV(i).end_blk,
+				  bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ?
+				  "Host-aware" : "Host-managed");
 			continue;
 		}
 #endif
-		f2fs_msg(sbi->sb, KERN_INFO,
-			"Mount Device [%2d]: %20s, %8u, %8x - %8x",
-				i, FDEV(i).path,
-				FDEV(i).total_segments,
-				FDEV(i).start_blk, FDEV(i).end_blk);
-	}
-	f2fs_msg(sbi->sb, KERN_INFO,
-			"IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi));
+		f2fs_info(sbi->sb, "Mount Device [%2d]: %20s, %8u, %8x - %8x",
+			  i, FDEV(i).path,
+			  FDEV(i).total_segments,
+			  FDEV(i).start_blk, FDEV(i).end_blk);
+	}
+	f2fs_info(sbi->sb,
+		  "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi));
 	return 0;
 }
 
@@ -3112,7 +3026,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* Load the checksum driver */
 	sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0);
 	if (IS_ERR(sbi->s_chksum_driver)) {
-		f2fs_msg(sb, KERN_ERR, "Cannot load crc32 driver.");
+		f2fs_err(sb, "Cannot load crc32 driver.");
 		err = PTR_ERR(sbi->s_chksum_driver);
 		sbi->s_chksum_driver = NULL;
 		goto free_sbi;
@@ -3120,7 +3034,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 
 	/* set a block size */
 	if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {
-		f2fs_msg(sb, KERN_ERR, "unable to set blocksize");
+		f2fs_err(sb, "unable to set blocksize");
 		goto free_sbi;
 	}
 
@@ -3144,8 +3058,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	 */
 #ifndef CONFIG_BLK_DEV_ZONED
 	if (f2fs_sb_has_blkzoned(sbi)) {
-		f2fs_msg(sb, KERN_ERR,
-			 "Zoned block device support is not enabled");
+		f2fs_err(sb, "Zoned block device support is not enabled");
 		err = -EOPNOTSUPP;
 		goto free_sb_buf;
 	}
@@ -3252,14 +3165,14 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* get an inode for meta space */
 	sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));
 	if (IS_ERR(sbi->meta_inode)) {
-		f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
+		f2fs_err(sb, "Failed to read F2FS meta data inode");
 		err = PTR_ERR(sbi->meta_inode);
 		goto free_io_dummy;
 	}
 
 	err = f2fs_get_valid_checkpoint(sbi);
 	if (err) {
-		f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");
+		f2fs_err(sb, "Failed to get valid F2FS checkpoint");
 		goto free_meta_inode;
 	}
 
@@ -3273,7 +3186,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* Initialize device list */
 	err = f2fs_scan_devices(sbi);
 	if (err) {
-		f2fs_msg(sb, KERN_ERR, "Failed to find devices");
+		f2fs_err(sb, "Failed to find devices");
 		goto free_devices;
 	}
 
@@ -3304,14 +3217,14 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* setup f2fs internal modules */
 	err = f2fs_build_segment_manager(sbi);
 	if (err) {
-		f2fs_msg(sb, KERN_ERR,
-			"Failed to initialize F2FS segment manager (%d)", err);
+		f2fs_err(sb, "Failed to initialize F2FS segment manager (%d)",
+			 err);
 		goto free_sm;
 	}
 	err = f2fs_build_node_manager(sbi);
 	if (err) {
-		f2fs_msg(sb, KERN_ERR,
-			"Failed to initialize F2FS node manager (%d)", err);
+		f2fs_err(sb, "Failed to initialize F2FS node manager (%d)",
+			 err);
 		goto free_nm;
 	}
 
@@ -3336,7 +3249,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* get an inode for node space */
 	sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
 	if (IS_ERR(sbi->node_inode)) {
-		f2fs_msg(sb, KERN_ERR, "Failed to read node inode");
+		f2fs_err(sb, "Failed to read node inode");
 		err = PTR_ERR(sbi->node_inode);
 		goto free_stats;
 	}
@@ -3344,7 +3257,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* read root inode and dentry */
 	root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
 	if (IS_ERR(root)) {
-		f2fs_msg(sb, KERN_ERR, "Failed to read root inode");
+		f2fs_err(sb, "Failed to read root inode");
 		err = PTR_ERR(root);
 		goto free_node_inode;
 	}
@@ -3370,8 +3283,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) {
 		err = f2fs_enable_quotas(sb);
 		if (err)
-			f2fs_msg(sb, KERN_ERR,
-				"Cannot turn on quotas: error %d", err);
+			f2fs_err(sb, "Cannot turn on quotas: error %d", err);
 	}
 #endif
 	/* if there are nt orphan nodes free them */
@@ -3391,13 +3303,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 		if (f2fs_hw_is_readonly(sbi)) {
 			if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
 				err = -EROFS;
-				f2fs_msg(sb, KERN_ERR,
-					"Need to recover fsync data, but "
-					"write access unavailable");
+				f2fs_err(sb, "Need to recover fsync data, but write access unavailable");
 				goto free_meta;
 			}
-			f2fs_msg(sbi->sb, KERN_INFO, "write access "
-				"unavailable, skipping recovery");
+			f2fs_info(sbi->sb, "write access unavailable, skipping recovery");
 			goto reset_checkpoint;
 		}
 
@@ -3412,8 +3321,8 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 			if (err != -ENOMEM)
 				skip_recovery = true;
 			need_fsck = true;
-			f2fs_msg(sb, KERN_ERR,
-				"Cannot recover all fsync data errno=%d", err);
+			f2fs_err(sb, "Cannot recover all fsync data errno=%d",
+				 err);
 			goto free_meta;
 		}
 	} else {
@@ -3421,8 +3330,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 
 		if (!f2fs_readonly(sb) && err > 0) {
 			err = -EINVAL;
-			f2fs_msg(sb, KERN_ERR,
-				"Need to recover fsync data");
+			f2fs_err(sb, "Need to recover fsync data");
 			goto free_meta;
 		}
 	}
@@ -3453,17 +3361,16 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	/* recover broken superblock */
 	if (recovery) {
 		err = f2fs_commit_super(sbi, true);
-		f2fs_msg(sb, KERN_INFO,
-			"Try to recover %dth superblock, ret: %d",
-			sbi->valid_super_block ? 1 : 2, err);
+		f2fs_info(sb, "Try to recover %dth superblock, ret: %d",
+			  sbi->valid_super_block ? 1 : 2, err);
 	}
 
 	f2fs_join_shrinker(sbi);
 
 	f2fs_tuning_parameters(sbi);
 
-	f2fs_msg(sbi->sb, KERN_NOTICE, "Mounted with checkpoint version = %llx",
-				cur_cp_version(F2FS_CKPT(sbi)));
+	f2fs_notice(sbi->sb, "Mounted with checkpoint version = %llx",
+		    cur_cp_version(F2FS_CKPT(sbi)));
 	f2fs_update_time(sbi, CP_TIME);
 	f2fs_update_time(sbi, REQ_TIME);
 	clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK);