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| author | Chao Yu <yuchao0@huawei.com> | 2018-11-12 00:46:46 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-11-26 15:53:56 -0800 |
| commit | 02b16d0a34a188a21d08be52b37505e531aa558a (patch) | |
| tree | 4c5e793f91f92c05742ac16a07f05ad564611b56 /fs/f2fs/f2fs.h | |
| parent | b61ac5b720146c619c7cdf17eff2551b934399e5 (diff) | |
| download | linux-02b16d0a34a188a21d08be52b37505e531aa558a.tar.bz2 | |
f2fs: add to account direct IO
This patch adds f2fs_dio_submit_bio() to hook submit_io/end_io functions
in direct IO path, in order to account DIO.
Later, we will add this count into is_idle() to let background GC/Discard
thread be aware of DIO.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 2e3dde8380e7..bebf26c67061 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -957,6 +957,8 @@ enum count_type { F2FS_RD_DATA, F2FS_RD_NODE, F2FS_RD_META, + F2FS_DIO_WRITE, + F2FS_DIO_READ, NR_COUNT_TYPE, }; @@ -1333,6 +1335,13 @@ struct f2fs_sb_info { __u32 s_chksum_seed; }; +struct f2fs_private_dio { + struct inode *inode; + void *orig_private; + bio_end_io_t *orig_end_io; + bool write; +}; + #ifdef CONFIG_F2FS_FAULT_INJECTION #define f2fs_show_injection_info(type) \ printk_ratelimited("%sF2FS-fs : inject %s in %s of %pF\n", \ @@ -3152,6 +3161,7 @@ struct f2fs_stat_info { int total_count, utilization; int bg_gc, nr_wb_cp_data, nr_wb_data; int nr_rd_data, nr_rd_node, nr_rd_meta; + int nr_dio_read, nr_dio_write; unsigned int io_skip_bggc, other_skip_bggc; int nr_flushing, nr_flushed, flush_list_empty; int nr_discarding, nr_discarded; |