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-rw-r--r--fs/f2fs/data.c5
-rw-r--r--fs/f2fs/f2fs.h2
-rw-r--r--fs/f2fs/super.c3
3 files changed, 8 insertions, 2 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 8f931d699287..b7c9b58acf3e 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1421,6 +1421,11 @@ out:
/*
* This function was originally taken from fs/mpage.c, and customized for f2fs.
* Major change was from block_size == page_size in f2fs by default.
+ *
+ * Note that the aops->readpages() function is ONLY used for read-ahead. If
+ * this function ever deviates from doing just read-ahead, it should either
+ * use ->readpage() or do the necessary surgery to decouple ->readpages()
+ * readom read-ahead.
*/
static int f2fs_mpage_readpages(struct address_space *mapping,
struct list_head *pages, struct page *page,
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4d8b1de83143..6799c3fc44e3 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1304,7 +1304,7 @@ static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
* and the return value is in kbytes. s is of struct f2fs_sb_info.
*/
#define BD_PART_WRITTEN(s) \
-(((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[1]) - \
+(((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
(s)->sectors_written_start) >> 1)
static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 3995e926ba3a..17bcff789c08 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2882,7 +2882,8 @@ try_onemore:
/* For write statistics */
if (sb->s_bdev->bd_part)
sbi->sectors_written_start =
- (u64)part_stat_read(sb->s_bdev->bd_part, sectors[1]);
+ (u64)part_stat_read(sb->s_bdev->bd_part,
+ sectors[STAT_WRITE]);
/* Read accumulated write IO statistics if exists */
seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);