From 2a510c005c9d3fafbaae1a6d27da8256c95542f9 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Mon, 5 Jun 2017 18:29:06 +0800 Subject: [PATCH] f2fs: introduce __wait_one_discard_bio In order to avoid copied codes. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.c | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index a739803..0fa717a 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -995,6 +995,20 @@ out: mutex_unlock(&dcc->cmd_lock); } +static void __wait_one_discard_bio(struct f2fs_sb_info *sbi, + struct discard_cmd *dc) +{ + struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info; + + wait_for_completion_io(&dc->wait); + mutex_lock(&dcc->cmd_lock); + f2fs_bug_on(sbi, dc->state != D_DONE); + dc->ref--; + if (!dc->ref) + __remove_discard_cmd(sbi, dc); + 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; @@ -1019,13 +1033,7 @@ next: mutex_unlock(&dcc->cmd_lock); if (need_wait) { - wait_for_completion_io(&dc->wait); - mutex_lock(&dcc->cmd_lock); - f2fs_bug_on(sbi, dc->state != D_DONE); - dc->ref--; - if (!dc->ref) - __remove_discard_cmd(sbi, dc); - mutex_unlock(&dcc->cmd_lock); + __wait_one_discard_bio(sbi, dc); goto next; } } @@ -1049,15 +1057,8 @@ void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr) } mutex_unlock(&dcc->cmd_lock); - if (need_wait) { - wait_for_completion_io(&dc->wait); - mutex_lock(&dcc->cmd_lock); - f2fs_bug_on(sbi, dc->state != D_DONE); - dc->ref--; - if (!dc->ref) - __remove_discard_cmd(sbi, dc); - mutex_unlock(&dcc->cmd_lock); - } + if (need_wait) + __wait_one_discard_bio(sbi, dc); } /* This comes from f2fs_put_super */ -- 2.7.4