diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-01-11 10:20:04 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-02-22 20:24:47 -0800 |
| commit | dcc9165dbf9961cf2848af728f8be31f28a3c790 (patch) | |
| tree | 4f5340b7688f04585f127119a256dc6e338d6a53 /fs/f2fs/segment.c | |
| parent | 1546996348b33dc44dff829bc86fea8a8536164d (diff) | |
f2fs: show # of on-going flush and discard bios
This patch adds stat information for flush and discard commands.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index ed38644907ba..52b133725b7f 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -653,6 +653,9 @@ static void __remove_discard_cmd(struct f2fs_sb_info *sbi, struct discard_cmd *d { int err = dc->bio->bi_error; + if (dc->state == D_DONE) + atomic_dec(&(SM_I(sbi)->dcc_info->submit_discard)); + if (err == -EOPNOTSUPP) err = 0; @@ -678,6 +681,7 @@ void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr) if (dc->state == D_PREP) { dc->state = D_SUBMIT; submit_bio(dc->bio); + atomic_inc(&dcc->submit_discard); } wait_for_completion_io(&dc->wait); @@ -723,6 +727,7 @@ repeat: if (dc->state == D_PREP) { dc->state = D_SUBMIT; submit_bio(dc->bio); + atomic_inc(&dcc->submit_discard); if (iter++ > DISCARD_ISSUE_RATE) break; } else if (dc->state == D_DONE) { @@ -1049,6 +1054,7 @@ int create_discard_cmd_control(struct f2fs_sb_info *sbi) INIT_LIST_HEAD(&dcc->discard_entry_list); INIT_LIST_HEAD(&dcc->discard_cmd_list); mutex_init(&dcc->cmd_lock); + atomic_set(&dcc->submit_discard, 0); dcc->nr_discards = 0; dcc->max_discards = 0; |