Commit a29d0e0b authored by Yunlei He's avatar Yunlei He Committed by Jaegeuk Kim

f2fs: skip writeback meta pages if cp_mutex acquire failed

Skip writeback meta pages if cp_mutex lock acquire failed, cp will
flush dirty pages instead.
Signed-off-by: default avatarYunlei He <heyunlei@huawei.com>
Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 5ce4738a
...@@ -275,10 +275,11 @@ static int f2fs_write_meta_pages(struct address_space *mapping, ...@@ -275,10 +275,11 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
get_pages(sbi, F2FS_DIRTY_META) < nr_pages_to_skip(sbi, META)) get_pages(sbi, F2FS_DIRTY_META) < nr_pages_to_skip(sbi, META))
goto skip_write; goto skip_write;
trace_f2fs_writepages(mapping->host, wbc, META); /* if locked failed, cp will flush dirty pages instead */
if (!mutex_trylock(&sbi->cp_mutex))
goto skip_write;
/* if mounting is failed, skip writing node pages */ trace_f2fs_writepages(mapping->host, wbc, META);
mutex_lock(&sbi->cp_mutex);
diff = nr_pages_to_write(sbi, META, wbc); diff = nr_pages_to_write(sbi, META, wbc);
written = sync_meta_pages(sbi, META, wbc->nr_to_write); written = sync_meta_pages(sbi, META, wbc->nr_to_write);
mutex_unlock(&sbi->cp_mutex); mutex_unlock(&sbi->cp_mutex);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment