f2fs: clean up w/ get_left_section_blocks()

Introduce get_left_section_blocks() for cleanup, no logic changes.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Author: chaseyu

fs/f2fs/segment.h

@@ -600,6 +600,16 @@ static inline int reserved_sections(struct f2fs_sb_info *sbi)
 	return GET_SEC_FROM_SEG(sbi, reserved_segments(sbi));
 }
 
+static inline unsigned int get_left_section_blocks(struct f2fs_sb_info *sbi,
+					enum log_type type, unsigned int segno)
+{
+	if (f2fs_lfs_mode(sbi) && __is_large_section(sbi))
+		return CAP_BLKS_PER_SEC(sbi) - SEGS_TO_BLKS(sbi,
+			(segno - GET_START_SEG_FROM_SEC(sbi, segno))) -
+			CURSEG_I(sbi, type)->next_blkoff;
+	return CAP_BLKS_PER_SEC(sbi) - get_ckpt_valid_blocks(sbi, segno, true);
+}
+
 static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
 			unsigned int node_blocks, unsigned int data_blocks,
 			unsigned int dent_blocks)
@@ -614,14 +624,7 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
 		if (unlikely(segno == NULL_SEGNO))
 			return false;
 
-		if (f2fs_lfs_mode(sbi) && __is_large_section(sbi)) {
-			left_blocks = CAP_BLKS_PER_SEC(sbi) -
-				SEGS_TO_BLKS(sbi, (segno - GET_START_SEG_FROM_SEC(sbi, segno))) -
-				CURSEG_I(sbi, i)->next_blkoff;
-		} else {
-			left_blocks = CAP_BLKS_PER_SEC(sbi) -
-					get_ckpt_valid_blocks(sbi, segno, true);
-		}
+		left_blocks = get_left_section_blocks(sbi, i, segno);
 
 		blocks = i <= CURSEG_COLD_DATA ? data_blocks : node_blocks;
 		if (blocks > left_blocks)
@@ -634,14 +637,7 @@ static inline bool has_curseg_enough_space(struct f2fs_sb_info *sbi,
 	if (unlikely(segno == NULL_SEGNO))
 		return false;
 
-	if (f2fs_lfs_mode(sbi) && __is_large_section(sbi)) {
-		left_blocks = CAP_BLKS_PER_SEC(sbi) -
-				SEGS_TO_BLKS(sbi, (segno - GET_START_SEG_FROM_SEC(sbi, segno))) -
-				CURSEG_I(sbi, CURSEG_HOT_DATA)->next_blkoff;
-	} else {
-		left_blocks = CAP_BLKS_PER_SEC(sbi) -
-				get_ckpt_valid_blocks(sbi, segno, true);
-	}
+	left_blocks = get_left_section_blocks(sbi, CURSEG_HOT_DATA, segno);
 
 	if (dent_blocks > left_blocks)
 		return false;