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Diffstat (limited to 'fs/f2fs/segment.h')
-rw-r--r--fs/f2fs/segment.h55
1 files changed, 17 insertions, 38 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 79e7b879a753..b6e4ed15c698 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -177,6 +177,15 @@ struct segment_allocation {
void (*allocate_segment)(struct f2fs_sb_info *, int, bool);
};
+/*
+ * this value is set in page as a private data which indicate that
+ * the page is atomically written, and it is in inmem_pages list.
+ */
+#define ATOMIC_WRITTEN_PAGE 0x0000ffff
+
+#define IS_ATOMIC_WRITTEN_PAGE(page) \
+ (page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE)
+
struct inmem_pages {
struct list_head list;
struct page *page;
@@ -555,16 +564,15 @@ static inline unsigned short curseg_blkoff(struct f2fs_sb_info *sbi, int type)
return curseg->next_blkoff;
}
-#ifdef CONFIG_F2FS_CHECK_FS
static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
{
- BUG_ON(segno > TOTAL_SEGS(sbi) - 1);
+ f2fs_bug_on(sbi, segno > TOTAL_SEGS(sbi) - 1);
}
static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
{
- BUG_ON(blk_addr < SEG0_BLKADDR(sbi));
- BUG_ON(blk_addr >= MAX_BLKADDR(sbi));
+ f2fs_bug_on(sbi, blk_addr < SEG0_BLKADDR(sbi)
+ || blk_addr >= MAX_BLKADDR(sbi));
}
/*
@@ -573,16 +581,11 @@ 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)
{
+#ifdef CONFIG_F2FS_CHECK_FS
bool is_valid = test_bit_le(0, raw_sit->valid_map) ? true : false;
int valid_blocks = 0;
int cur_pos = 0, next_pos;
- /* check segment usage */
- BUG_ON(GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg);
-
- /* check boundary of a given segment number */
- BUG_ON(segno > TOTAL_SEGS(sbi) - 1);
-
/* check bitmap with valid block count */
do {
if (is_valid) {
@@ -598,35 +601,11 @@ static inline void check_block_count(struct f2fs_sb_info *sbi,
is_valid = !is_valid;
} while (cur_pos < sbi->blocks_per_seg);
BUG_ON(GET_SIT_VBLOCKS(raw_sit) != valid_blocks);
-}
-#else
-static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
-{
- if (segno > TOTAL_SEGS(sbi) - 1)
- set_sbi_flag(sbi, SBI_NEED_FSCK);
-}
-
-static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr)
-{
- if (blk_addr < SEG0_BLKADDR(sbi) || blk_addr >= MAX_BLKADDR(sbi))
- set_sbi_flag(sbi, SBI_NEED_FSCK);
-}
-
-/*
- * 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)
-{
- /* check segment usage */
- if (GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg)
- set_sbi_flag(sbi, SBI_NEED_FSCK);
-
- /* check boundary of a given segment number */
- if (segno > TOTAL_SEGS(sbi) - 1)
- set_sbi_flag(sbi, SBI_NEED_FSCK);
-}
#endif
+ /* check segment usage, and check boundary of a given segment number */
+ f2fs_bug_on(sbi, GET_SIT_VBLOCKS(raw_sit) > sbi->blocks_per_seg
+ || segno > TOTAL_SEGS(sbi) - 1);
+}
static inline pgoff_t current_sit_addr(struct f2fs_sb_info *sbi,
unsigned int start)