diff options
| author | Minchan Kim <minchan@kernel.org> | 2017-09-07 02:20:03 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-07 03:27:25 +0300 |
| commit | db8ffbd4e7634cc537c8d32e73e7ce0f06248645 (patch) | |
| tree | cecb269b4da514c29db6671da523b57c824e56c7 /fs/coda/coda_linux.h | |
| parent | ae85a8075c5b025b9d503554ddc480a346a24536 (diff) | |
| download | linux-db8ffbd4e7634cc537c8d32e73e7ce0f06248645.tar.xz | |
zram: write incompressible pages to backing device
This patch enables write IO to transfer data to backing device. For
that, it implements write_to_bdev function which creates new bio and
chaining with parent bio to make the parent bio asynchrnous.
For rw_page which don't have parent bio, it submit owned bio and handle
IO completion by zram_page_end_io.
Also, this patch defines new flag ZRAM_WB to mark written page for later
read IO.
[xieyisheng1@huawei.com: fix typo in comment]
Link: http://lkml.kernel.org/r/1502707447-6944-2-git-send-email-xieyisheng1@huawei.com
Link: http://lkml.kernel.org/r/1498459987-24562-8-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Cc: Juneho Choi <juno.choi@lge.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/coda/coda_linux.h')
0 files changed, 0 insertions, 0 deletions