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9104d31a75
linux/drivers/block/drbd
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Lars Ellenberg 9104d31a75 drbd: introduce WRITE_SAME support 
We will support WRITE_SAME, if
 * all peers support WRITE_SAME (both in kernel and DRBD version),
 * all peer devices support WRITE_SAME
 * logical_block_size is identical on all peers.

We may at some point introduce a fallback on the receiving side
for devices/kernels that do not support WRITE_SAME,
by open-coding a submit loop. But not yet.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-06-13 21:43:07 -06:00
..
drbd_actlog.c drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_bitmap.c drbd: use bio op accessors 2016-06-07 13:41:38 -06:00
drbd_debugfs.c drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_debugfs.h drbd: debugfs: add basic hierarchy 2014-07-10 18:35:16 +02:00
drbd_int.h drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_interval.c drbd: use RB_DECLARE_CALLBACKS() to define augment callbacks 2014-09-18 09:00:17 -06:00
drbd_interval.h drbd: application writes may set-in-sync in protocol != C 2014-07-10 18:35:02 +02:00
drbd_main.c drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_nl.c drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_nla.c drbd: Remove drbd_wrappers.h 2014-04-30 13:46:54 -06:00
drbd_nla.h drbd: Split off netlink mandatory attribute handling into separate file 2012-11-08 16:57:45 +01:00
drbd_proc.c drbd: Move enum write_ordering_e to drbd.h 2015-11-25 09:22:00 -07:00
drbd_protocol.h drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_receiver.c drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_req.c drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_req.h drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
drbd_state_change.h drbd: Backport the "events2" command 2015-11-25 09:22:00 -07:00
drbd_state.c drbd: only restart frozen disk io when D_UP_TO_DATE 2016-06-13 21:43:06 -06:00
drbd_state.h drbd: Fix locking across all resources 2015-11-25 09:22:00 -07:00
drbd_strings.c drbd: Move string function prototypes from linux/drbd.h to drbd_string.h 2014-02-17 16:50:37 +01:00
drbd_strings.h drbd: Move string function prototypes from linux/drbd.h to drbd_string.h 2014-02-17 16:50:37 +01:00
drbd_vli.h Fix common misspellings 2011-03-31 11:26:23 -03:00
drbd_worker.c drbd: introduce WRITE_SAME support 2016-06-13 21:43:07 -06:00
Kconfig drbd: update Kconfig to match current dependencies 2012-12-06 13:08:29 +01:00
Makefile drbd: debugfs: add basic hierarchy 2014-07-10 18:35:16 +02:00