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Signed-off-by: Yangtao Li --- fs/f2fs/f2fs.h | 1 + fs/f2fs/iostat.c | 4 ++++ fs/f2fs/segment.c | 2 ++ 3 files changed, 7 insertions(+) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index b116c778fce6..7d7b96d1e1d2 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1194,6 +1194,7 @@ enum iostat_type { /* other */ FS_DISCARD, /* discard */ + FS_FLUSH, /* flush */ NR_IO_TYPE, }; diff --git a/fs/f2fs/iostat.c b/fs/f2fs/iostat.c index 3d4503fef183..721294c40399 100644 --- a/fs/f2fs/iostat.c +++ b/fs/f2fs/iostat.c @@ -150,6 +150,10 @@ int __maybe_unused iostat_info_seq_show(struct seq_file *seq, void *offset) sbi->rw_iostat[FS_DISCARD], sbi->iostat_count[FS_DISCARD], iostat_get_avg_bytes(sbi, FS_DISCARD)); + seq_printf(seq, "fs flush: %-16llu %-16llu %-16llu\n", + sbi->rw_iostat[FS_FLUSH], + sbi->iostat_count[FS_FLUSH], + iostat_get_avg_bytes(sbi, FS_FLUSH)); return 0; } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index af2d522b1a89..ec4ed7603d1f 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -505,6 +505,8 @@ static int __submit_flush_wait(struct f2fs_sb_info *sbi, struct block_device *bdev) { int ret = blkdev_issue_flush(bdev); + if (!ret) + f2fs_update_iostat(sbi, NULL, FS_FLUSH, 0); trace_f2fs_issue_flush(bdev, test_opt(sbi, NOBARRIER), test_opt(sbi, FLUSH_MERGE), ret);