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* blkdev: generalize flags for blkdev_issue_fn functionsDmitry Monakhov2010-04-282-2/+4
| | | | | | | | The patch just convert all blkdev_issue_xxx function to common set of flags. Wait/allocation semantics preserved. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2010-04-097-47/+110
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: (34 commits) cfq-iosched: Fix the incorrect timeslice accounting with forced_dispatch loop: Update mtime when writing using aops block: expose the statistics in blkio.time and blkio.sectors for the root cgroup backing-dev: Handle class_create() failure Block: Fix block/elevator.c elevator_get() off-by-one error drbd: lc_element_by_index() never returns NULL cciss: unlock on error path cfq-iosched: Do not merge queues of BE and IDLE classes cfq-iosched: Add additional blktrace log messages in CFQ for easier debugging i2o: Remove the dangerous kobj_to_i2o_device macro block: remove 16 bytes of padding from struct request on 64bits cfq-iosched: fix a kbuild regression block: make CONFIG_BLK_CGROUP visible Remove GENHD_FL_DRIVERFS block: Export max number of segments and max segment size in sysfs block: Finalize conversion of block limits functions block: Fix overrun in lcm() and move it to lib vfs: improve writeback_inodes_wb() paride: fix off-by-one test drbd: fix al-to-on-disk-bitmap for 4k logical_block_size ...
| * drbd: lc_element_by_index() never returns NULLPhilipp Reisner2010-04-021-1/+1
| | | | | | | | | | | | 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>
| * Merge branch 'master' into for-linusJens Axboe2010-03-192-3/+3
| |\ | | | | | | | | | | | | | | | | | | Conflicts: block/Kconfig Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | drbd: fix al-to-on-disk-bitmap for 4k logical_block_sizeLars Ellenberg2010-03-111-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Up to now, applying the in-core activity-log to the on-disk bitmap did not care for logical_block_size. On logical_block_size != 512 byte, this very likely results in misalligned block access and spurious "io errors". We now simply always submit aligned whole 4k blocks, fixing this for logical block sizes of 512, 1024, 2048 and 4096. For even larger logical block sizes, this won't work. But I'm not aware of devices with such properties being available. 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 Reisner2010-03-111-1/+1
| | | | | | | | | | | | | | | 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 Reisner2010-03-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | 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: Make sure we do not send state updates during an empty resync [Bugz 271]Philipp Reisner2010-03-111-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | This is a race condition that existed for ages. The previous commit reduces the window, this one closes it. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * | drbd: Reduce the time an empty resync takes usuallyPhilipp Reisner2010-03-113-3/+12
| | | | | | | | | | | | | | | | | | | | | | | | This mitigates changes introduced with commit: http://git.drbd.org/?p=drbd-8.3.git;a=commit;h=4b6803a3276652da3737 Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * | drbd: add missing drbd command names to avoid <NULL> in error messagesLars Ellenberg2010-03-111-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cmdname() should map command number to its human readable representation. The string table was incomplete, though. Maybe rather do a switch() block, and let the compiler help us to keep it complete? Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * | drbd_disconnect: grab meta.socket mutex as wellLars Ellenberg2010-03-112-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes a race and potential kernel panic if e.g. the worker was just about to send a few P_RS_IS_IN_SYNC via the meta socket for checksum based resync, while the receiver destroys the sockets in drbd_disconnect. To make sure no-one is using the meta socket, it is not enough to stop the asender... Grab the meta socket mutex before destroying it. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * | fix unit of rs_same_csums accountingLars Ellenberg2010-03-111-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Depending on resync request size, we need to account for more than one bit. Impact: cosmetic If SyncTarget reported correctly 100% equal checksums, the SyncSource usually reported 12% equal checksums instead, because it only counted requests, we typically do 32k resync requests, and the bitmap granularity is still 4k. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * | drbd: fix broken state change after split-brain attach while connectedLars Ellenberg2010-03-111-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Situation: we have diverging data sets, i.e. we had a split brain somewhen, but currently are connected, one node diskless. Then we try to attach that disk, figure it is consistent, but has a diverging data set, we refuse to attach. This led to strange state changes: 22:18:35 bb drbd1: peer( Unknown -> Primary ) conn( WFReportParams -> Connected) pdsk( DUnknown -> UpToDate ) 22:19:30 bb drbd1: disk( Diskless -> Attaching ) 22:19:30 bb drbd1: disk( Attaching -> Negotiating ) 22:19:30 bb drbd1: drbd_sync_handshake: 22:19:30 bb drbd1: self 97BF25798B9D5222:F33D1F62ADE698DD:4269796F9D027C83:AC45D8B5C3C1BF93 bits:19449 flags:0 22:19:30 bb drbd1: peer 280DFB6E125465D3:F33D1F62ADE698DC:4269796F9D027C82:AC45D8B5C3C1BF93 bits:2575806 flags:0 22:19:30 bb drbd1: uuid_compare()=100 by rule 90 22:19:30 bb drbd1: Split-Brain detected, dropping connection! 22:19:30 bb drbd1: disk( Negotiating -> Diskless ) while the other side says: 22:19:30 aa drbd1: Split-Brain detected, dropping connection! 22:19:30 aa drbd1: Disk attach process on the peer node was aborted. 22:19:30 aa drbd1: conn( Connected -> TOO_LARGE ) pdsk( Diskless -> Consistent ) This should be fixed now. 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 Ellenberg2010-03-111-19/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | drbd: --dry-run option for drbdsetup net ( drbdadm -- --dry-run connect <res> )Philipp Reisner2010-03-113-5/+41
| | | | | | | | | | | | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| * | block: drbd: Convert semaphore to mutexThomas Gleixner2010-03-111-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | The bm_change semaphore is semantically a mutex. Convert it to a real mutex. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* | | include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-302-1/+1
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* | Merge branch 'for-next' into for-linusJiri Kosina2010-03-082-3/+3
|\ \ | |/ |/| | | | | | | | | | | | | Conflicts: Documentation/filesystems/proc.txt arch/arm/mach-u300/include/mach/debug-macro.S drivers/net/qlge/qlge_ethtool.c drivers/net/qlge/qlge_main.c drivers/net/typhoon.c
| * tree-wide: Assorted spelling fixesDaniel Mack2010-02-092-3/+3
| | | | | | | | | | | | | | | | | | | | | | In particular, several occurances of funny versions of 'success', 'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address', 'beginning', 'desirable', 'separate' and 'necessary' are fixed. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Joe Perches <joe@perches.com> Cc: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | block: Consolidate phys_segment and hw_segment limitsMartin K. Petersen2010-02-261-2/+1
| | | | | | | | | | | | | | | | | | 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. Petersen2010-02-261-1/+1
|/ | | | | | | | | | | | | 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: null dereference bugDan Carpenter2010-01-251-1/+1
| | | | | | | epoch is always NULL here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drbd: fix max_segment_size initializationLars Ellenberg2010-01-221-1/+1
| | | | | | | | | | | | | | blk_queue_make_request() internally calls blk_set_default_limits(), so calling blk_queue_max_segment_size() before is useless. Ergo: move the call to blk_queue_max_segment_size() down a few lines. Impact: If, after a fresh modprobe, you first connect a Diskless drbd, then attach, this could result in a DRBD Protocol Error at first. The next connection attempt would then succeeded. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Allow online resizing of DRBD devices while peer not reachable (needs ↵Philipp Reisner2010-01-123-11/+15
| | | | | | | to be explicitly forced) Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Don't go into StandAlone mode when authentification failes because of ↵Johannes Thoma2010-01-121-9/+22
| | | | | | | network error Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: check on CONFIG_LBDAF, not LBDLars Ellenberg2010-01-071-1/+1
| | | | | | | | | | | It is called LBDAF since 2.6.31. impact: without this change, on 32bit, DRBD would wrongly claim to only support 2TiB devices. Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drivers/block/drbd: Correct NULL testJulia Lawall2010-01-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Test the just-allocated value for NULL rather than some other value. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,y; statement S; @@ x = \(kmalloc\|kcalloc\|kzalloc\)(...); ( if ((x) == NULL) S | if ( - y + x == NULL) S ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drbd: Silenced an assert that could triggered after changing write ordering ↵Philipp Reisner2009-12-311-4/+5
| | | | | | | | | | method Immediately after changing the write ordering method, the epoch can already be finished at this point. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: Kconfig fixJohannes Thoma2009-12-291-1/+1
| | | | | | | | !CONFIG_OPT evalues to FALSE if CONFIG_OPT='m'. Do not display the "DRBD disabled..." message if the dependencies are compiled as module. Signed-off-by: Johannes Thoma <johannes.thoma@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drbd: Fix for a race between IO and a detach operation [Bugz 262]Philipp Reisner2009-12-291-0/+1
| | | | | | | | | In D_DISKLESS we do not hand out any new references to ldev (local_cnt) therefore waiting until all previously handed out refereces got returned is sufficient before actually freeing mdev->ldev. 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 Reisner2009-12-291-1/+1
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: remove unused #include <linux/version.h>Huang Weiyi2009-12-213-3/+0
| | | | | | | | | | Remove unused #include <linux/version.h>('s) in drivers/block/drbd/drbd_main.c drivers/block/drbd/drbd_receiver.c drivers/block/drbd/drbd_worker.c Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drbd: remove duplicated #includeHuang Weiyi2009-12-211-1/+0
| | | | | | | | Remove duplicated #include('s) in drivers/block/drbd/drbd_worker.c Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drbd: Fix test of unsigned in _drbd_fault_random()Roel Kluin2009-12-211-1/+1
| | | | | | | | rsp->count is unsigned so the test does not work. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drbd: Constify struct file_operationsEmese Revfy2009-12-213-3/+3
| | | | | Signed-off-by: Emese Revfy <re.emese@gmail.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
* drbd: Following the hmac change to SHASH (see linux commit 8bd1209cfff)Philipp Reisner2009-12-091-2/+1
| | | | | | 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>
* drbd_req.c: use part_[inc|dec]_in_flight()Philipp Reisner2009-12-031-2/+2
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* Fixed a regression in resync decission code drbd_uuid_compare() [Bugz 260]Philipp Reisner2009-11-241-0/+1
| | | | | | | | | | Since 8.3.3 we fail to do the resync when a partial resynch is not possible, but a full synch is necessary. This regression was introduced with 7101539930c0a89146959e7a39c09ad9c3516434 Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* add missing state change on corrupt packet header in drbd_recv_headerLars Ellenberg2009-11-241-1/+3
| | | | | | | | | | | Otherwise the 'state fixup' in the receiver will change to Unconnected, but the receiver will terminate itself, and any attempt at 'down'ing that drbd later will block forever. see also Bugz. #259 Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* fix in-kernel configuration serializationLars Ellenberg2009-11-241-1/+1
| | | | | | | | | 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: performance - don't lose unplug eventsLars Ellenberg2009-11-041-1/+6
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* Do not deadlock in drbd_disconnect() [bugz 258]Philipp Reisner2009-11-041-4/+0
| | | | | | | | | | | | | | | | When there are many blocks on the fly (ua), and the AL gets into "starving" mode (random IO, scattered all over the device), and the connections gets interrupted, the receiver thread deadlocks in the drbd_disconnect() code path. Affected are only nodes in Primary role. The bug triggers most likely on system that mirror over "long distances" Regression introduced shortly before 8.3.3 with git commit 31e0f1250f174ac1ee317f360943a0159e19edc8 Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbdsetup X resume-io should be usable to resume IO [Bugz 256]Philipp Reisner2009-11-041-4/+3
| | | | | | | | When IO gets frozen due to a broken fence-peer script, the user should be able to thaw IO by the resume-io command. 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 Ellenberg2009-11-041-5/+9
| | | | | | | | | | 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>
* fix grammar in printkLars Ellenberg2009-11-041-1/+1
| | | | | Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
* drbd: fix in_flight rw indexingJens Axboe2009-10-281-2/+2
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* drbd: needs __ratelimit()Randy Dunlap2009-10-071-0/+1
| | | | | | | | | | drbd_int.h uses __ratelimit(), so it needs to #include ratelimit.h: drivers/block/drbd/drbd_int.h:1765: error: implicit declaration of function '__ratelimit' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: drbd-dev@lists.linbit.com Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* drbd: Work on permission enforcementPhilipp Reisner2009-10-061-1/+6
| | | | | | | | 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: fixup for reverted dual in_flight patchJens Axboe2009-10-051-2/+2
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* drbd: remove tracing bitsJens Axboe2009-10-0111-1021/+3
| | | | | | They should be reimplemented in the current scheme. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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