sd: implement unmapping Write Zeroes

Browse source

Try to use a write same with unmap bit variant if the device supports it
and the caller allows for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

...

This commit is contained in:

Christoph Hellwig 2017-04-05 19:21:12 +02:00 • committed by Jens Axboe

parent 34045129b1

commit e4b878371b

1 changed files with 9 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

9

drivers/scsi/sd.c

View file