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authorHannes Reinecke <hare@suse.de>2016-10-18 09:40:33 +0300
committerJens Axboe <axboe@fb.com>2016-10-18 19:05:40 +0300
commit6a0cb1bc106fc07ce0443303bcdb7f7da5131e5c (patch)
treee5c93c3d58ff01ca1d825805cb643da04a46d8c6 /block/Makefile
parent2d253440b5afb128d22ccdae812dde9ba77a2cca (diff)
downloadlinux-6a0cb1bc106fc07ce0443303bcdb7f7da5131e5c.tar.xz
block: Implement support for zoned block devices
Implement zoned block device zone information reporting and reset. Zone information are reported as struct blk_zone. This implementation does not differentiate between host-aware and host-managed device models and is valid for both. Two functions are provided: blkdev_report_zones for discovering the zone configuration of a zoned block device, and blkdev_reset_zones for resetting the write pointer of sequential zones. The helper function blk_queue_zone_size and bdev_zone_size are also provided for, as the name suggest, obtaining the zone size (in 512B sectors) of the zones of the device. Signed-off-by: Hannes Reinecke <hare@suse.de> [Damien: * Removed the zone cache * Implement report zones operation based on earlier proposal by Shaun Tancheff <shaun.tancheff@seagate.com>] Signed-off-by: Damien Le Moal <damien.lemoal@hgst.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Shaun Tancheff <shaun.tancheff@seagate.com> Tested-by: Shaun Tancheff <shaun.tancheff@seagate.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/Makefile')
-rw-r--r--block/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/Makefile b/block/Makefile
index 36acdd7545be..934dac73fb37 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -23,3 +23,4 @@ obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o
obj-$(CONFIG_BLK_CMDLINE_PARSER) += cmdline-parser.o
obj-$(CONFIG_BLK_DEV_INTEGRITY) += bio-integrity.o blk-integrity.o t10-pi.o
obj-$(CONFIG_BLK_MQ_PCI) += blk-mq-pci.o
+obj-$(CONFIG_BLK_DEV_ZONED) += blk-zoned.o