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| author | Adam Manzanares | 2018-05-22 19:52:19 +0200 |
|---|---|---|
| committer | Al Viro | 2018-05-31 16:50:55 +0200 |
| commit | d9a08a9e616beeccdbd0e7262b7225ffdfa49e92 (patch) | |
| tree | f2f7985aa07ccee2337631273f4b906389649477 /include/uapi/linux/aio_abi.h | |
| parent | fs: Convert kiocb rw_hint from enum to u16 (diff) | |
| download | kernel-qcow2-linux-d9a08a9e616beeccdbd0e7262b7225ffdfa49e92.tar.gz kernel-qcow2-linux-d9a08a9e616beeccdbd0e7262b7225ffdfa49e92.tar.xz kernel-qcow2-linux-d9a08a9e616beeccdbd0e7262b7225ffdfa49e92.zip | |
fs: Add aio iopriority support
This is the per-I/O equivalent of the ioprio_set system call.
When IOCB_FLAG_IOPRIO is set on the iocb aio_flags field, then we set the
newly added kiocb ki_ioprio field to the value in the iocb aio_reqprio field.
This patch depends on block: add ioprio_check_cap function.
Signed-off-by: Adam Manzanares <adam.manzanares@wdc.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/uapi/linux/aio_abi.h')
| -rw-r--r-- | include/uapi/linux/aio_abi.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/aio_abi.h b/include/uapi/linux/aio_abi.h index ed0185945bb2..75846164290e 100644 --- a/include/uapi/linux/aio_abi.h +++ b/include/uapi/linux/aio_abi.h @@ -53,6 +53,7 @@ enum { * is valid. */ #define IOCB_FLAG_RESFD (1 << 0) +#define IOCB_FLAG_IOPRIO (1 << 1) /* read() from /dev/aio returns these structures. */ struct io_event { |