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path: root/drivers/block/drbd/drbd_nl.c
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* drbd: Four new configuration settings for resync speed controlPhilipp Reisner2010-05-17
| | | | | | | | | To reasonably control resync speed over drbd-proxy connections, drbd has to measure the current delay of packets transmitted over the (possibly congested) data socket vs the meta-data socket. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: bugfix: Make resize work, if remote's size was limiting and increased ↵Philipp Reisner2010-05-17
| | | | | | | in the meantime Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Implemented the --assume-clean option for drbdsetup resizePhilipp Reisner2010-05-17
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Implemented flags for the resize packetPhilipp Reisner2010-05-17
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Implemented the set_new_bits parameter for drbd_bm_resize()Philipp Reisner2010-05-17
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: made determin_dev_size's parameter an flag enumPhilipp Reisner2010-05-17
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Renamed overwrite_peer to primary_forcePhilipp Reisner2010-03-11
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Forcing primary should also work for Consistent disks [Bugz 266]Philipp Reisner2010-03-11
| | | | | | | | Up to now this only worked for Outdated and Inconsistent disks, that it did not worked for Consistent disks was an inconsistent omission. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: fix NULL pointer dereference on 4k hard sect sizeLars Ellenberg2010-03-11
| | | | | | | | | we still don't support 4k 'physical' sectors 'natively', but use a read-modify-write workaround. And we even tried to use the extra page before we allocated it :( Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* block: Consolidate phys_segment and hw_segment limitsMartin K. Petersen2010-02-26
| | | | | | | | | Except for SCSI no device drivers distinguish between physical and hardware segment limits. Consolidate the two into a single segment limit. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Rename blk_queue_max_sectors to blk_queue_max_hw_sectorsMartin K. Petersen2010-02-26
| | | | | | | | | | | | | The block layer calling convention is blk_queue_<limit name>. blk_queue_max_sectors predates this practice, leading to some confusion. Rename the function to appropriately reflect that its intended use is to set max_hw_sectors. Also introduce a temporary wrapper for backwards compability. This can be removed after the merge window is closed. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* drbd: Allow online resizing of DRBD devices while peer not reachable (needs ↵Philipp Reisner2010-01-12
| | | | | | | to be explicitly forced) Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Use drbd_crypto_is_hash() instead of an open coded checkPhilipp Reisner2009-12-29
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Following the hmac change to SHASH (see linux commit 8bd1209cfff)Philipp Reisner2009-12-09
| | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* fix in-kernel configuration serializationLars Ellenberg2009-11-24
| | | | | | | | | this is uncritical, as we still also serialize in userland, but to correctly serialize on the CONFIG_PENDING bit, it must be wait_event(state_wait, \!test_and_set_bit) Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: fix check for too large lower level deviceLars Ellenberg2009-11-04
| | | | | | | | | | To check wether we are truncating a very large device due to limited meta data space, we need to check the ll_dev size. Also improve the printk to suggest "flexible" or "internal". Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Work on permission enforcementPhilipp Reisner2009-10-06
| | | | | | | | Now we have the capabilities of the sending process available, use them to enforce CAP_SYS_ADMIN. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* drbd: remove tracing bitsJens Axboe2009-10-01
| | | | | | They should be reimplemented in the current scheme. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* dropping unneeded include autoconf.hLars Ellenberg2009-10-01
| | | | | | | | | It is force-included on the gcc command line since at least 2.6.15. Explicit include lines seem to break compilation now in certain configurations. Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Acked-by: Sam Ravnborg <sam@ravnborg.org>
* The DRBD driverPhilipp Reisner2009-10-01
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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