linux-kernel - Re: [PATCH v2 2/2] f2fs: move set_file_temperature into f2fs_new

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Date:   Mon, 14 Nov 2022 14:40:58 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Sheng Yong <shengyong@...o.com>
Cc:     chao@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] f2fs: move set_file_temperature into
 f2fs_new_inode

Since the file name has already passed to f2fs_new_inode(), let's
move set_file_temperature() into f2fs_new_inode().

Signed-off-by: Sheng Yong <shengyong@...o.com>
Reviewed-by: Chao Yu <chao@...nel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/namei.c | 62 +++++++++++++++++++++++--------------------------
 1 file changed, 29 insertions(+), 33 deletions(-)

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 43b721d8e491..88e406bb6780 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -173,6 +173,32 @@ static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir,
 	}
 }
 
+/*
+ * Set file's temperature for hot/cold data separation
+ */
+static void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode,
+		const unsigned char *name)
+{
+	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
+	int i, cold_count, hot_count;
+
+	f2fs_down_read(&sbi->sb_lock);
+	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
+	hot_count = sbi->raw_super->hot_ext_count;
+	for (i = 0; i < cold_count + hot_count; i++)
+		if (is_extension_exist(name, extlist[i], true))
+			break;
+	f2fs_up_read(&sbi->sb_lock);
+
+	if (i == cold_count + hot_count)
+		return;
+
+	if (i < cold_count)
+		file_set_cold(inode);
+	else
+		file_set_hot(inode);
+}
+
 static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 						struct inode *dir, umode_t mode,
 						const char *name)
@@ -273,6 +299,9 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 	if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
 		set_inode_flag(inode, FI_INLINE_DATA);
 
+	if (name && !test_opt(sbi, DISABLE_EXT_IDENTIFY))
+		set_file_temperature(sbi, inode, name);
+
 	stat_inc_inline_xattr(inode);
 	stat_inc_inline_inode(inode);
 	stat_inc_inline_dir(inode);
@@ -301,36 +330,6 @@ static struct inode *f2fs_new_inode(struct user_namespace *mnt_userns,
 	return ERR_PTR(err);
 }
 
-/*
- * Set file's temperature for hot/cold data separation
- */
-static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode,
-		const unsigned char *name)
-{
-	__u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
-	int i, cold_count, hot_count;
-
-	f2fs_down_read(&sbi->sb_lock);
-
-	cold_count = le32_to_cpu(sbi->raw_super->extension_count);
-	hot_count = sbi->raw_super->hot_ext_count;
-
-	for (i = 0; i < cold_count + hot_count; i++) {
-		if (is_extension_exist(name, extlist[i], true))
-			break;
-	}
-
-	f2fs_up_read(&sbi->sb_lock);
-
-	if (i == cold_count + hot_count)
-		return;
-
-	if (i < cold_count)
-		file_set_cold(inode);
-	else
-		file_set_hot(inode);
-}
-
 static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
 		       struct dentry *dentry, umode_t mode, bool excl)
 {
@@ -352,9 +351,6 @@ static int f2fs_create(struct user_namespace *mnt_userns, struct inode *dir,
 	if (IS_ERR(inode))
 		return PTR_ERR(inode);
 
-	if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
-		set_file_temperature(sbi, inode, dentry->d_name.name);
-
 	inode->i_op = &f2fs_file_inode_operations;
 	inode->i_fop = &f2fs_file_operations;
 	inode->i_mapping->a_ops = &f2fs_dblock_aops;
-- 
2.38.1.493.g58b659f92b-goog