f2fs: add BUG cases to initiate fsck.f2fs
This patch replaces BUG cases with f2fs_bug_on to remain fsck.f2fs information.
And it implements some void functions to initiate fsck.f2fs too.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 793ca27..d163fc8 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -583,9 +583,41 @@
BUG_ON(GET_SIT_VBLOCKS(raw_sit) != valid_blocks);
}
#else
-#define check_seg_range(sbi, segno)
-#define verify_block_addr(sbi, blk_addr)
-#define check_block_count(sbi, segno, raw_sit)
+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)
+ 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 = sm_info->segment_count << sbi->log_blocks_per_seg;
+ 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)
+ sbi->need_fsck = true;
+}
+
+/*
+ * Summary block is always treated as an invalid block
+ */
+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)
+ sbi->need_fsck = true;
+}
#endif
static inline pgoff_t current_sit_addr(struct f2fs_sb_info *sbi,