The top bits of bio->bi_flags are reserved for keeping the
allocation pool, set aside the next eight bits for carrying
a stream ID. That leaves us with support for 255 streams,
0 is reserved as a "stream not set" value.
Add helpers for setting/getting stream ID of a bio.
Signed-off-by: Jens Axboe
The top bits of bio->bi_flags are reserved for keeping the
allocation pool, set aside the next eight bits for carrying
a stream ID. That leaves us with support for 255 streams,
0 is reserved as a "stream not set" value.
Add helpers for setting/getting stream ID of a bio.
Signed-off-by: Jens Axboe
On 04/09/2015 04:46 PM, Andreas Dilger wrote:
On Mar 25, 2015, at 9:07 AM, Jens Axboe wrote:
The top bits of bio->bi_flags are reserved for keeping the
allocation pool, set aside the next eight bits for carrying
a stream ID. That leaves us with support for 255 streams,
0 is reserved as a "stre
The top bits of bio->bi_flags are reserved for keeping the
allocation pool, set aside the next eight bits for carrying
a stream ID. That leaves us with support for 255 streams,
0 is reserved as a "stream not set" value.
Add helpers for setting/getting stream ID of a bio.
Signed-off-by: Jens Axboe
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