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fs: direct-io: convert rw from READ to KERNEL_READ

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KERNEL_READ equal READ puls REQ_KERNEL, which indicates
this brq comes from direct-io. Any block-layer devices who
care this req type can get it now.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Shawn Lin
2015-07-10 09:20:11 +08:00
parent 0ae90e7e63
commit b685cff6eb
1 changed files with 4 additions and 0 deletions
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4
fs/direct-io.c
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@@ -370,6 +370,7 @@ static inline void dio_bio_submit(struct dio *dio, struct dio_submit *sdio)
{
struct bio *bio = sdio->bio;
unsigned long flags;
int rw;
bio->bi_private = dio;
@@ -380,6 +381,9 @@ static inline void dio_bio_submit(struct dio *dio, struct dio_submit *sdio)
if (dio->is_async && dio->rw == READ)
bio_set_pages_dirty(bio);
rw = dio->rw;
dio->rw |= (dio->rw == READ) ? KERNEL_READ : KERNEL_WRITE;
if (sdio->submit_io)
sdio->submit_io(dio->rw, bio, dio->inode,
sdio->logical_offset_in_bio);