diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-01-07 03:43:09 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-01-18 03:48:43 +0300 |
| commit | 0e7f41974e9c6ceac3ac9b5d0377c5f74b1bc4fc (patch) | |
| tree | f0ac5c4242560a103d231f744a458355bc5d219d /fs/f2fs/segment.c | |
| parent | bf2cbd3c57159c2b639ee8797b52ab5af180bf83 (diff) | |
| download | linux-0e7f41974e9c6ceac3ac9b5d0377c5f74b1bc4fc.tar.xz | |
f2fs: add a way to turn off ipu bio cache
Setting 0x40 in /sys/fs/f2fs/dev/ipu_policy gives a way to turn off
bio cache, which is useufl to check whether block layer using hardware
encryption engine merges IOs correctly.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 72cf2574a00d..1d3bb2605b03 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -3289,7 +3289,7 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio) stat_inc_inplace_blocks(fio->sbi); - if (fio->bio) + if (fio->bio && !(SM_I(sbi)->ipu_policy & (1 << F2FS_IPU_NOCACHE))) err = f2fs_merge_page_bio(fio); else err = f2fs_submit_page_bio(fio); |