diff options
| -rw-r--r-- | fs/f2fs/segment.c | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 13e073a9d859..35d5d49e7614 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -997,6 +997,22 @@ out: mutex_unlock(&dcc->cmd_lock); } +static void __wait_discard_cmd(struct f2fs_sb_info *sbi, bool wait_cond) +{ + struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info; + struct list_head *wait_list = &(dcc->wait_list); + struct discard_cmd *dc, *tmp; + + mutex_lock(&dcc->cmd_lock); + list_for_each_entry_safe(dc, tmp, wait_list, list) { + if (!wait_cond || dc->state == D_DONE) { + wait_for_completion_io(&dc->wait); + __remove_discard_cmd(sbi, dc); + } + } + mutex_unlock(&dcc->cmd_lock); +} + /* This should be covered by global mutex, &sit_i->sentry_lock */ void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr) { @@ -1018,18 +1034,8 @@ void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr) /* This comes from f2fs_put_super */ void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi) { - struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info; - struct list_head *wait_list = &(dcc->wait_list); - struct discard_cmd *dc, *tmp; - __issue_discard_cmd(sbi, false); - - mutex_lock(&dcc->cmd_lock); - list_for_each_entry_safe(dc, tmp, wait_list, list) { - wait_for_completion_io(&dc->wait); - __remove_discard_cmd(sbi, dc); - } - mutex_unlock(&dcc->cmd_lock); + __wait_discard_cmd(sbi, false); } static int issue_discard_thread(void *data) @@ -1037,22 +1043,12 @@ static int issue_discard_thread(void *data) struct f2fs_sb_info *sbi = data; struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info; wait_queue_head_t *q = &dcc->discard_wait_queue; - struct list_head *wait_list = &dcc->wait_list; - struct discard_cmd *dc, *tmp; repeat: if (kthread_should_stop()) return 0; __issue_discard_cmd(sbi, true); - - mutex_lock(&dcc->cmd_lock); - list_for_each_entry_safe(dc, tmp, wait_list, list) { - if (dc->state == D_DONE) { - wait_for_completion_io(&dc->wait); - __remove_discard_cmd(sbi, dc); - } - } - mutex_unlock(&dcc->cmd_lock); + __wait_discard_cmd(sbi, true); congestion_wait(BLK_RW_SYNC, HZ/50); |