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erofs: set iowait for sync decompression 

For those tasks waiting I/O for sync decompression,
they should be better marked as IO wait state.

Link: https://lore.kernel.org/r/20191008125616.183715-5-gaoxiang25@huawei.com
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
This commit is contained in:
Gao Xiang 2019-10-08 20:56:16 +08:00
parent a4b1fab121
commit a93f8c3687
1 changed files with 2 additions and 2 deletions
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4
fs/erofs/zdata.c
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@ -1288,8 +1288,8 @@ static void z_erofs_submit_and_unzip(struct super_block *sb,
return;
/* wait until all bios are completed */
wait_event(io[JQ_SUBMIT].u.wait,
!atomic_read(&io[JQ_SUBMIT].pending_bios));
io_wait_event(io[JQ_SUBMIT].u.wait,
!atomic_read(&io[JQ_SUBMIT].pending_bios));
/* let's synchronous decompression */
z_erofs_vle_unzip_all(&io[JQ_SUBMIT], pagepool);