f2fs: change type for 'sbi->readdir_ra'

Before this patch, the varibale 'readdir_ra' takes effect if it's equal
to '1' or not, so we can change type for it from 'int' to 'bool'.
Signed-off-by: Yuwei Guan <Yuwei.Guan@zeekrlife.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/dir.c

@@ -1010,7 +1010,7 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
 	struct fscrypt_str de_name = FSTR_INIT(NULL, 0);
 	struct f2fs_sb_info *sbi = F2FS_I_SB(d->inode);
 	struct blk_plug plug;
-	bool readdir_ra = sbi->readdir_ra == 1;
+	bool readdir_ra = sbi->readdir_ra;
 	bool found_valid_dirent = false;
 	int err = 0;
 

fs/f2fs/f2fs.h

@@ -1698,7 +1698,7 @@ struct f2fs_sb_info {
 	unsigned int total_node_count;		/* total node block count */
 	unsigned int total_valid_node_count;	/* valid node block count */
 	int dir_level;				/* directory level */
-	int readdir_ra;				/* readahead inode in readdir */
+	bool readdir_ra;			/* readahead inode in readdir */
 	u64 max_io_bytes;			/* max io bytes to merge IOs */
 
 	block_t user_block_count;		/* # of user blocks */

fs/f2fs/super.c

@@ -4085,7 +4085,7 @@ static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi)
 					1 << F2FS_IPU_HONOR_OPU_WRITE;
 	}
 
-	sbi->readdir_ra = 1;
+	sbi->readdir_ra = true;
 }
 
 static int f2fs_fill_super(struct super_block *sb, void *data, int silent)

fs/f2fs/sysfs.c

@@ -656,6 +656,11 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
 		return count;
 	}
 
+	if (!strcmp(a->attr.name, "readdir_ra")) {
+		sbi->readdir_ra = !!t;
+		return count;
+	}
+
 	*ui = (unsigned int)t;
 
 	return count;