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Diffstat (limited to 'fs/f2fs/segment.h')
-rw-r--r--fs/f2fs/segment.h59
1 files changed, 25 insertions, 34 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 4588545b3030..a7e3e9112100 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -45,16 +45,26 @@
(secno == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno / \
sbi->segs_per_sec)) \
-#define START_BLOCK(sbi, segno) \
- (SM_I(sbi)->seg0_blkaddr + \
+#define MAIN_BLKADDR(sbi) (SM_I(sbi)->main_blkaddr)
+#define SEG0_BLKADDR(sbi) (SM_I(sbi)->seg0_blkaddr)
+
+#define MAIN_SEGS(sbi) (SM_I(sbi)->main_segments)
+#define MAIN_SECS(sbi) (sbi->total_sections)
+
+#define TOTAL_SEGS(sbi) (SM_I(sbi)->segment_count)
+#define TOTAL_BLKS(sbi) (TOTAL_SEGS(sbi) << sbi->log_blocks_per_seg)
+
+#define MAX_BLKADDR(sbi) (SEG0_BLKADDR(sbi) + TOTAL_BLKS(sbi))
+#define SEGMENT_SIZE(sbi) (1 << (sbi->log_blocksize + \
+ sbi->log_blocks_per_seg))
+
+#define START_BLOCK(sbi, segno) (SEG0_BLKADDR(sbi) + \
(GET_R2L_SEGNO(FREE_I(sbi), segno) << sbi->log_blocks_per_seg))
+
#define NEXT_FREE_BLKADDR(sbi, curseg) \
(START_BLOCK(sbi, curseg->segno) + curseg->next_blkoff)
-#define MAIN_BASE_BLOCK(sbi) (SM_I(sbi)->main_blkaddr)
-
-#define GET_SEGOFF_FROM_SEG0(sbi, blk_addr) \
- ((blk_addr) - SM_I(sbi)->seg0_blkaddr)
+#define GET_SEGOFF_FROM_SEG0(sbi, blk_addr) ((blk_addr) - SEG0_BLKADDR(sbi))
#define GET_SEGNO_FROM_SEG0(sbi, blk_addr) \
(GET_SEGOFF_FROM_SEG0(sbi, blk_addr) >> sbi->log_blocks_per_seg)
#define GET_BLKOFF_FROM_SEG0(sbi, blk_addr) \
@@ -82,12 +92,9 @@
#define START_SEGNO(segno) \
(SIT_BLOCK_OFFSET(segno) * SIT_ENTRY_PER_BLOCK)
#define SIT_BLK_CNT(sbi) \
- ((TOTAL_SEGS(sbi) + SIT_ENTRY_PER_BLOCK - 1) / SIT_ENTRY_PER_BLOCK)
+ ((MAIN_SEGS(sbi) + SIT_ENTRY_PER_BLOCK - 1) / SIT_ENTRY_PER_BLOCK)
#define f2fs_bitmap_size(nr) \
(BITS_TO_LONGS(nr) * sizeof(unsigned long))
-#define TOTAL_SEGS(sbi) (SM_I(sbi)->main_segments)
-#define TOTAL_SECS(sbi) (sbi->total_sections)
-#define TOTAL_BLKS(sbi) (SM_I(sbi)->segment_count << sbi->log_blocks_per_seg)
#define SECTOR_FROM_BLOCK(blk_addr) \
(((sector_t)blk_addr) << F2FS_LOG_SECTORS_PER_BLOCK)
@@ -323,7 +330,7 @@ static inline void __set_free(struct f2fs_sb_info *sbi, unsigned int segno)
clear_bit(segno, free_i->free_segmap);
free_i->free_segments++;
- next = find_next_bit(free_i->free_segmap, TOTAL_SEGS(sbi), start_segno);
+ next = find_next_bit(free_i->free_segmap, MAIN_SEGS(sbi), start_segno);
if (next >= start_segno + sbi->segs_per_sec) {
clear_bit(secno, free_i->free_secmap);
free_i->free_sections++;
@@ -542,18 +549,13 @@ static inline unsigned short curseg_blkoff(struct f2fs_sb_info *sbi, int type)
#ifdef CONFIG_F2FS_CHECK_FS
static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
{
- unsigned int end_segno = SM_I(sbi)->segment_count - 1;
- BUG_ON(segno > end_segno);
+ BUG_ON(segno > TOTAL_SEGS(sbi) - 1);
}
static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
{
- struct f2fs_sm_info *sm_info = SM_I(sbi);
- block_t total_blks = TOTAL_BLKS(sbi);
- block_t start_addr = sm_info->seg0_blkaddr;
- block_t end_addr = start_addr + total_blks - 1;
- BUG_ON(blk_addr < start_addr);
- BUG_ON(blk_addr > end_addr);
+ BUG_ON(blk_addr < SEG0_BLKADDR(sbi));
+ BUG_ON(blk_addr >= MAX_BLKADDR(sbi));
}
/*
@@ -562,8 +564,6 @@ static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
static inline void check_block_count(struct f2fs_sb_info *sbi,
int segno, struct f2fs_sit_entry *raw_sit)
{
- struct f2fs_sm_info *sm_info = SM_I(sbi);
- unsigned int end_segno = sm_info->segment_count - 1;
bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
int valid_blocks = 0;
int cur_pos = 0, next_pos;
@@ -572,7 +572,7 @@ static inline void check_block_count(struct f2fs_sb_info *sbi,
BUG_ON(GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg);
/* check boundary of a given segment number */
- BUG_ON(segno > end_segno);
+ BUG_ON(segno > TOTAL_SEGS(sbi) - 1);
/* check bitmap with valid block count */
do {
@@ -593,20 +593,13 @@ static inline void check_block_count(struct f2fs_sb_info *sbi,
#else
static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
{
- unsigned int end_segno = SM_I(sbi)->segment_count - 1;
-
- if (segno > end_segno)
+ if (segno > TOTAL_SEGS(sbi) - 1)
sbi->need_fsck = true;
}
static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
{
- struct f2fs_sm_info *sm_info = SM_I(sbi);
- block_t total_blks = TOTAL_BLKS(sbi);
- block_t start_addr = sm_info->seg0_blkaddr;
- block_t end_addr = start_addr + total_blks - 1;
-
- if (blk_addr < start_addr || blk_addr > end_addr)
+ if (blk_addr < SEG0_BLKADDR(sbi) || blk_addr >= MAX_BLKADDR(sbi))
sbi->need_fsck = true;
}
@@ -616,14 +609,12 @@ static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
static inline void check_block_count(struct f2fs_sb_info *sbi,
int segno, struct f2fs_sit_entry *raw_sit)
{
- unsigned int end_segno = SM_I(sbi)->segment_count - 1;
-
/* check segment usage */
if (GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg)
sbi->need_fsck = true;
/* check boundary of a given segment number */
- if (segno > end_segno)
+ if (segno > TOTAL_SEGS(sbi) - 1)
sbi->need_fsck = true;
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 06:40:31 +0000