diff options
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 27 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 8 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 5 | ||||
| -rw-r--r-- | fs/f2fs/sysfs.c | 3 |
4 files changed, 27 insertions, 16 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index e5d2ffa80b56..14ba1519639e 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1385,6 +1385,27 @@ static void commit_checkpoint(struct f2fs_sb_info *sbi, f2fs_submit_merged_write(sbi, META_FLUSH); } +static inline u64 get_sectors_written(struct block_device *bdev) +{ + return bdev->bd_part ? + (u64)part_stat_read(bdev->bd_part, sectors[STAT_WRITE]) : 0; +} + +u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi) +{ + if (f2fs_is_multi_device(sbi)) { + u64 sectors = 0; + int i; + + for (i = 0; i < sbi->s_ndevs; i++) + sectors += get_sectors_written(FDEV(i).bdev); + + return sectors; + } + + return get_sectors_written(sbi->sb->s_bdev); +} + static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) { struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); @@ -1395,7 +1416,6 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) __u32 crc32 = 0; int i; int cp_payload_blks = __cp_payload(sbi); - struct super_block *sb = sbi->sb; struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); u64 kbytes_written; int err; @@ -1490,9 +1510,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* Record write statistics in the hot node summary */ kbytes_written = sbi->kbytes_written; - if (sb->s_bdev->bd_part) - kbytes_written += BD_PART_WRITTEN(sbi); - + kbytes_written += (f2fs_get_sectors_written(sbi) - + sbi->sectors_written_start) >> 1; seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written); if (__remain_node_summaries(cpc->reason)) { diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 0b314b2034d8..90e1fe0ce4bb 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1603,13 +1603,6 @@ static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) return sbi->s_ndevs > 1; } -/* For write statistics. Suppose sector size is 512 bytes, - * 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[STAT_WRITE]) - \ - (s)->sectors_written_start) >> 1) - static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) { unsigned long now = jiffies; @@ -3382,6 +3375,7 @@ void f2fs_update_dirty_page(struct inode *inode, struct page *page); void f2fs_remove_dirty_inode(struct inode *inode); int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type); +u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi); int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); int __init f2fs_create_checkpoint_caches(void); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index f3d919ee4dee..0ac4dbd6488a 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3701,10 +3701,7 @@ 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[STAT_WRITE]); + sbi->sectors_written_start = f2fs_get_sectors_written(sbi); /* Read accumulated write IO statistics if exists */ seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE); diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index ec77ccfea923..fce2997382af 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -97,7 +97,8 @@ static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a, return sprintf(buf, "%llu\n", (unsigned long long)(sbi->kbytes_written + - BD_PART_WRITTEN(sbi))); + ((f2fs_get_sectors_written(sbi) - + sbi->sectors_written_start) >> 1))); } static ssize_t features_show(struct f2fs_attr *a, |