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| author | Chao Yu <yuchao0@huawei.com> | 2017-04-05 18:19:49 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-04-10 19:48:08 -0700 |
| commit | d431413f00319919ed2adac0d58225160bd1d8fb (patch) | |
| tree | 62c4f978ea07a9abf2fc0d3c420fd8a9b05e1b87 /fs/f2fs | |
| parent | 22d375dd9cc6ee9ff6382487fdd6ca4759af82a9 (diff) | |
| download | linux-stable-d431413f00319919ed2adac0d58225160bd1d8fb.tar.gz linux-stable-d431413f00319919ed2adac0d58225160bd1d8fb.tar.bz2 linux-stable-d431413f00319919ed2adac0d58225160bd1d8fb.zip | |
f2fs: introduce f2fs_wait_discard_bios
Split f2fs_wait_discard_bios from f2fs_wait_discard_bio, just for cleanup,
no logic change.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/f2fs.h | 2 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 37 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 2 |
3 files changed, 24 insertions, 17 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 55a050668d00..7321f061bb28 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2193,7 +2193,7 @@ void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); void refresh_sit_entry(struct f2fs_sb_info *sbi, block_t old, block_t new); -void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr); +void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi); void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc); void release_discard_addrs(struct f2fs_sb_info *sbi); int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1a5b3e4770d2..a27dd1679991 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -797,13 +797,9 @@ void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr) struct list_head *pend_list = &(dcc->discard_pend_list); struct list_head *wait_list = &(dcc->discard_wait_list); struct discard_cmd *dc, *tmp; - struct blk_plug plug; mutex_lock(&dcc->cmd_lock); - if (blkaddr == NULL_ADDR) - goto release_discard; - list_for_each_entry_safe(dc, tmp, pend_list, list) { if (dc->lstart <= blkaddr && blkaddr < dc->lstart + dc->len) __punch_discard_cmd(sbi, dc, blkaddr); @@ -817,19 +813,30 @@ void f2fs_wait_discard_bio(struct f2fs_sb_info *sbi, block_t blkaddr) } } -release_discard: - /* this comes from f2fs_put_super */ - if (blkaddr == NULL_ADDR) { - blk_start_plug(&plug); - list_for_each_entry_safe(dc, tmp, pend_list, list) - __submit_discard_cmd(sbi, dc); - blk_finish_plug(&plug); + mutex_unlock(&dcc->cmd_lock); +} - list_for_each_entry_safe(dc, tmp, wait_list, list) { - wait_for_completion_io(&dc->wait); - __remove_discard_cmd(sbi, dc); - } +/* 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 *pend_list = &(dcc->discard_pend_list); + struct list_head *wait_list = &(dcc->discard_wait_list); + struct discard_cmd *dc, *tmp; + struct blk_plug plug; + + mutex_lock(&dcc->cmd_lock); + + blk_start_plug(&plug); + list_for_each_entry_safe(dc, tmp, pend_list, list) + __submit_discard_cmd(sbi, dc); + blk_finish_plug(&plug); + + 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); } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 21d5eaa2793e..cb65e6d0d275 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -795,7 +795,7 @@ static void f2fs_put_super(struct super_block *sb) } /* be sure to wait for any on-going discard commands */ - f2fs_wait_discard_bio(sbi, NULL_ADDR); + f2fs_wait_discard_bios(sbi); /* write_checkpoint can update stat informaion */ f2fs_destroy_stats(sbi); |