This patch supports using printk_ratelimited() in f2fs_printk(), and
wrap ratelimited f2fs_printk() into f2fs_{err,warn,info}_ratelimited(),
then, use these new helps to clean up codes.

Signed-off-by: Chao Yu <c...@kernel.org>
---
 fs/f2fs/compress.c | 10 +++++-----
 fs/f2fs/dir.c      |  5 ++---
 fs/f2fs/f2fs.h     | 40 +++++++++++++++++++++++-----------------
 fs/f2fs/super.c    | 11 ++++++++---
 4 files changed, 38 insertions(+), 28 deletions(-)

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index ff26b49c0d71..0fd839358c15 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -512,8 +512,8 @@ static int lzorle_compress_pages(struct compress_ctx *cc)
        ret = lzorle1x_1_compress(cc->rbuf, cc->rlen, cc->cbuf->cdata,
                                        &cc->clen, cc->private);
        if (ret != LZO_E_OK) {
-               printk_ratelimited("%sF2FS-fs (%s): lzo-rle compress failed, 
ret:%d\n",
-                               KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, ret);
+               f2fs_err_ratelimited(F2FS_I_SB(cc->inode),
+                               "lzo-rle compress failed, ret:%d", ret);
                return -EIO;
        }
        return 0;
@@ -780,9 +780,9 @@ void f2fs_decompress_cluster(struct decompress_io_ctx *dic, 
bool in_task)
                if (provided != calculated) {
                        if (!is_inode_flag_set(dic->inode, 
FI_COMPRESS_CORRUPT)) {
                                set_inode_flag(dic->inode, FI_COMPRESS_CORRUPT);
-                               printk_ratelimited(
-                                       "%sF2FS-fs (%s): checksum invalid, nid 
= %lu, %x vs %x",
-                                       KERN_INFO, sbi->sb->s_id, 
dic->inode->i_ino,
+                               f2fs_info_ratelimited(sbi,
+                                       "checksum invalid, nid = %lu, %x vs %x",
+                                       dic->inode->i_ino,
                                        provided, calculated);
                        }
                        set_sbi_flag(sbi, SBI_NEED_FSCK);
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 042593aed1ec..3f20d94e12f9 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -995,9 +995,8 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct 
f2fs_dentry_ptr *d,
                de = &d->dentry[bit_pos];
                if (de->name_len == 0) {
                        if (found_valid_dirent || !bit_pos) {
-                               printk_ratelimited(
-                                       "%sF2FS-fs (%s): invalid namelen(0), 
ino:%u, run fsck to fix.",
-                                       KERN_WARNING, sbi->sb->s_id,
+                               f2fs_warn_ratelimited(sbi,
+                                       "invalid namelen(0), ino:%u, run fsck 
to fix.",
                                        le32_to_cpu(de->ino));
                                set_sbi_flag(sbi, SBI_NEED_FSCK);
                        }
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 2c2916421d52..c5e7460d1a0a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1819,6 +1819,27 @@ struct f2fs_sb_info {
 #endif
 };
 
+__printf(3, 4)
+void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, 
...);
+
+#define f2fs_err(sbi, fmt, ...)                                                
\
+       f2fs_printk(sbi, false, KERN_ERR fmt, ##__VA_ARGS__)
+#define f2fs_warn(sbi, fmt, ...)                                       \
+       f2fs_printk(sbi, false, KERN_WARNING fmt, ##__VA_ARGS__)
+#define f2fs_notice(sbi, fmt, ...)                                     \
+       f2fs_printk(sbi, false, KERN_NOTICE fmt, ##__VA_ARGS__)
+#define f2fs_info(sbi, fmt, ...)                                       \
+       f2fs_printk(sbi, false, KERN_INFO fmt, ##__VA_ARGS__)
+#define f2fs_debug(sbi, fmt, ...)                                      \
+       f2fs_printk(sbi, false, KERN_DEBUG fmt, ##__VA_ARGS__)
+
+#define f2fs_err_ratelimited(sbi, fmt, ...)                            \
+       f2fs_printk(sbi, true, KERN_ERR fmt, ##__VA_ARGS__)
+#define f2fs_warn_ratelimited(sbi, fmt, ...)                           \
+       f2fs_printk(sbi, true, KERN_WARNING fmt, ##__VA_ARGS__)
+#define f2fs_info_ratelimited(sbi, fmt, ...)                           \
+       f2fs_printk(sbi, true, KERN_INFO fmt, ##__VA_ARGS__)
+
 #ifdef CONFIG_F2FS_FAULT_INJECTION
 #define time_to_inject(sbi, type) __time_to_inject(sbi, type, __func__,        
\
                                                                        
__builtin_return_address(0))
@@ -1836,9 +1857,8 @@ static inline bool __time_to_inject(struct f2fs_sb_info 
*sbi, int type,
        atomic_inc(&ffi->inject_ops);
        if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
                atomic_set(&ffi->inject_ops, 0);
-               printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n",
-                       KERN_INFO, sbi->sb->s_id, f2fs_fault_name[type],
-                       func, parent_func);
+               f2fs_info_ratelimited(sbi, "inject %s in %s of %pS",
+                               f2fs_fault_name[type], func, parent_func);
                return true;
        }
        return false;
@@ -2343,20 +2363,6 @@ static inline int inc_valid_block_count(struct 
f2fs_sb_info *sbi,
        return -ENOSPC;
 }
 
-__printf(2, 3)
-void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...);
-
-#define f2fs_err(sbi, fmt, ...)                                                
\
-       f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
-#define f2fs_warn(sbi, fmt, ...)                                       \
-       f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
-#define f2fs_notice(sbi, fmt, ...)                                     \
-       f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
-#define f2fs_info(sbi, fmt, ...)                                       \
-       f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
-#define f2fs_debug(sbi, fmt, ...)                                      \
-       f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
-
 #define PAGE_PRIVATE_GET_FUNC(name, flagname) \
 static inline bool page_private_##name(struct page *page) \
 { \
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 5c672a11ca6e..4ca390363131 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -264,7 +264,8 @@ static match_table_t f2fs_tokens = {
        {Opt_err, NULL},
 };
 
-void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...)
+void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate,
+                                               const char *fmt, ...)
 {
        struct va_format vaf;
        va_list args;
@@ -275,8 +276,12 @@ void f2fs_printk(struct f2fs_sb_info *sbi, const char 
*fmt, ...)
        level = printk_get_level(fmt);
        vaf.fmt = printk_skip_level(fmt);
        vaf.va = &args;
-       printk("%c%cF2FS-fs (%s): %pV\n",
-              KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
+       if (limit_rate)
+               printk_ratelimited("%c%cF2FS-fs (%s): %pV\n",
+                       KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
+       else
+               printk("%c%cF2FS-fs (%s): %pV\n",
+                       KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
 
        va_end(args);
 }
-- 
2.40.1



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