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Diffstat (limited to 'fs/f2fs/segment.h')
-rw-r--r--fs/f2fs/segment.h41
1 files changed, 30 insertions, 11 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 552dadbb2327..062424a0e4c3 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -8,10 +8,13 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/blkdev.h>
+
/* constant macro */
#define NULL_SEGNO ((unsigned int)(~0))
+#define NULL_SECNO ((unsigned int)(~0))
-/* V: Logical segment # in volume, R: Relative segment # in main area */
+/* L: Logical segment # in volume, R: Relative segment # in main area */
#define GET_L2R_SEGNO(free_i, segno) (segno - free_i->start_segno)
#define GET_R2L_SEGNO(free_i, segno) (segno + free_i->start_segno)
@@ -23,13 +26,13 @@
((t == CURSEG_HOT_NODE) || (t == CURSEG_COLD_NODE) || \
(t == CURSEG_WARM_NODE))
-#define IS_CURSEG(sbi, segno) \
- ((segno == CURSEG_I(sbi, CURSEG_HOT_DATA)->segno) || \
- (segno == CURSEG_I(sbi, CURSEG_WARM_DATA)->segno) || \
- (segno == CURSEG_I(sbi, CURSEG_COLD_DATA)->segno) || \
- (segno == CURSEG_I(sbi, CURSEG_HOT_NODE)->segno) || \
- (segno == CURSEG_I(sbi, CURSEG_WARM_NODE)->segno) || \
- (segno == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno))
+#define IS_CURSEG(sbi, seg) \
+ ((seg == CURSEG_I(sbi, CURSEG_HOT_DATA)->segno) || \
+ (seg == CURSEG_I(sbi, CURSEG_WARM_DATA)->segno) || \
+ (seg == CURSEG_I(sbi, CURSEG_COLD_DATA)->segno) || \
+ (seg == CURSEG_I(sbi, CURSEG_HOT_NODE)->segno) || \
+ (seg == CURSEG_I(sbi, CURSEG_WARM_NODE)->segno) || \
+ (seg == CURSEG_I(sbi, CURSEG_COLD_NODE)->segno))
#define IS_CURSEC(sbi, secno) \
((secno == CURSEG_I(sbi, CURSEG_HOT_DATA)->segno / \
@@ -81,9 +84,12 @@
#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 SECTOR_FROM_BLOCK(sbi, blk_addr) \
(blk_addr << ((sbi)->log_blocksize - F2FS_LOG_SECTOR_SIZE))
+#define SECTOR_TO_BLOCK(sbi, sectors) \
+ (sectors >> ((sbi)->log_blocksize - F2FS_LOG_SECTOR_SIZE))
/* during checkpoint, bio_private is used to synchronize the last bio */
struct bio_private {
@@ -213,7 +219,7 @@ struct dirty_seglist_info {
unsigned long *dirty_segmap[NR_DIRTY_TYPE];
struct mutex seglist_lock; /* lock for segment bitmaps */
int nr_dirty[NR_DIRTY_TYPE]; /* # of dirty segments */
- unsigned long *victim_segmap[2]; /* BG_GC, FG_GC */
+ unsigned long *victim_secmap; /* background GC victims */
};
/* victim selection function for cleaning and SSR */
@@ -464,8 +470,7 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed)
static inline int utilization(struct f2fs_sb_info *sbi)
{
- return (long int)valid_user_blocks(sbi) * 100 /
- (long int)sbi->user_block_count;
+ return div_u64(valid_user_blocks(sbi) * 100, sbi->user_block_count);
}
/*
@@ -616,3 +621,17 @@ static inline block_t sum_blk_addr(struct f2fs_sb_info *sbi, int base, int type)
le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_total_block_count)
- (base + 1) + type;
}
+
+static inline bool sec_usage_check(struct f2fs_sb_info *sbi, unsigned int secno)
+{
+ if (IS_CURSEC(sbi, secno) || (sbi->cur_victim_sec == secno))
+ return true;
+ return false;
+}
+
+static inline unsigned int max_hw_blocks(struct f2fs_sb_info *sbi)
+{
+ struct block_device *bdev = sbi->sb->s_bdev;
+ struct request_queue *q = bdev_get_queue(bdev);
+ return SECTOR_TO_BLOCK(sbi, queue_max_sectors(q));
+}