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* vgcreate: use --shared option for lockd vgsdev-dct-lvmlockd-ALDavid Teigland2015-06-033-74/+69
| | | | | | | | | 'vgcreate --shared' is only used with lvmlockd and selects lock_type sanlock|dlm depending on which lock manager is running. It will not create clvm VGs. 'vgcreate --clustered' is only used with clvmd, only creates clvm VGs, and will not create lockd VGs.
* lvmlockd: make sanlock lv like metadata spare lvDavid Teigland2015-06-036-78/+31
| | | | handle them similarly
* updates to lvm2-lvmlocking unit fileDavid Teigland2015-06-031-7/+5
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* spec: Comment out missing lvmlockd unitsMarian Csontos2015-06-031-7/+7
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* lockd: Build lvmlockd(8) man pageMarian Csontos2015-06-031-1/+8
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* [WIP] spec+lvmpolld: attempt to add polld to specMarian Csontos2015-06-034-0/+18
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* fix compile warningsDavid Teigland2015-06-034-13/+21
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* lvmetactl: rename from lvmetaDavid Teigland2015-06-032-3/+3
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* lvmlockctl: rename from lvmlockDavid Teigland2015-06-032-8/+5
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* check and extend sanlock lv earlierDavid Teigland2015-06-038-40/+250
| | | | at the start of lvcreate
* lvmlockd: move sanlock lease allocationDavid Teigland2015-06-033-5/+44
| | | | | | | | | | The lockd_init_lv() function no longer calls lvmlockd to ask for the sanlock lease to be allocated for the LV, i.e. lockd_init_lv_args(). Instead, it waits until vg_write() to do that, so the sanlock lease does not need to be freed in all the cases where lvcreate may quit before actually finishing.
* lib lvmlockd: add missing stub functionDavid Teigland2015-06-031-0/+4
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* lvmlockd: use LV ids for LV lock namesDavid Teigland2015-06-037-165/+169
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* lvmlockd: fix syslog optionDavid Teigland2015-06-021-14/+63
| | | | | Use standard syslog level names as option args to specify the level at which to send to syslog.
* vgcreate/vgchange: wait for lock start by defaultDavid Teigland2015-06-022-3/+16
| | | | | | | By default, vgcreate and vgchange --lock-start will wait for the lockspace to start. Adding --lock-opt nowait will cause them not to wait. The waiting can always be canceled by Ctrl-C without any harm.
* lib lvmlockd: retry busy locksDavid Teigland2015-06-023-0/+36
| | | | | | | | | | | By default retry lock operations that return EAGAIN because the lock is held by another host. These retries occur at the client/command level, and can be adjusted using global/lock_retries. lvmlockd already has some automatic retries to handle most incidental lock conflicts.
* man lvmlockd: remove section about recovering lost locksDavid Teigland2015-06-021-46/+48
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* lib lvmlockd: print a warning when overriding lockingDavid Teigland2015-06-021-19/+32
| | | | | In addition to requiring lvm.conf configuration to override lock modes, also print a warning if it is done.
* client lvmlockd: improve warnings during initDavid Teigland2015-06-021-7/+14
| | | | | Print one simple warning message if the command cannot properly use lvmlockd.
* lib lvmlockd: add comments about locking functionsDavid Teigland2015-06-021-3/+111
| | | | | Add explanations of when and why to use the basic lvmlockd locking functions.
* tools: add comments about the global lockDavid Teigland2015-06-0218-12/+53
| | | | | State the reason that the global lock is needed in each place it is taken.
* test: structure for lvmlockd testingDavid Teigland2015-06-0213-0/+334
| | | | | | | | | | | | | | | | | | | | | | | make check_lvmlockd_sanlock T=shell/sanlock-hello-world.sh will run: shell/sanlock-prepare.sh to prepare sanlock and lvmlockd on the system shell/sanlock-hello-work.sh to test using lvmlockd and sanlock shell/sanlock-remove.sh to undo the things from sanlock-prepare.sh TODO: - use alias vgcreate="vgcreate --lock-type sanlock" in sanlock-prepare so that existing shell tests can just call vgcreate can be used to create and test sanlock vgs. - when using existing shell tests with sanlock, we need prepare_devs/prepare_pvs to create adequately large devs. See the necessity of sanlock-hello-world of specifying a large device size. This is needed for all the ondisk leases that are created by vgcreate. - get check_lvmlockd_dlm working
* vgcreate: option to allow waiting for lock startDavid Teigland2015-06-022-4/+18
| | | | | | | vgcreate with '--lock-opt wait' will cause the command to wait for the lock start to complete before returning, the same as when starting explicitly with 'vgchange --lock-start --lock-opt wait'
* lib lvmlockd: fix segfault in logging result flagsDavid Teigland2015-06-021-10/+8
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* lvmlockd: clean up the use/connect/connected logicDavid Teigland2015-06-026-110/+105
| | | | | Get rid of the round about logic that was copied from lvmetad. Make it simple and clear.
* lvmlockd: fix dm checks of active lvs and add uuid checkDavid Teigland2015-06-021-8/+76
| | | | | | | The split names function wasn't used correct, it just accidentally worked before. Check for the LVM prefix on dm uuids.
* report: display lock_type and lock_argsDavid Teigland2015-06-027-0/+78
| | | | | -o locktype,lockargs can be used to display the lock_type and lock_args of VGs or LVs.
* lvmlock: drop old -c optionDavid Teigland2015-06-021-95/+3
| | | | was used for early testing, no purpose any more.
* lvmlockd: use libdevmapper to get active LVsDavid Teigland2015-06-022-50/+72
| | | | | | | rather than reading /dev dirs. This identifies LVs that need to have locks adopted if lvmlockd is restarted while in use.
* lvmlockd: use xlate.h for endian macrosDavid Teigland2015-06-024-37/+65
| | | | and add the clearer macros to xlate.h
* lvmlockd: include time.h and link with rtDavid Teigland2015-06-022-1/+2
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* lvmlockd: rename socket variableDavid Teigland2015-06-021-2/+2
| | | | to avoid shadowing warning
* lvmlockd: fix setup_structsDavid Teigland2015-06-022-5/+47
| | | | | | | The alloc/free loop was not populating the list of unused structs. Also print the number of structs when reporting info from daemon.
* lvmlockd: apply consistent buffer strategy to clientDavid Teigland2015-06-022-2/+2
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* lvmlockd: put GNU_SOURCE in source filesDavid Teigland2015-06-023-1/+3
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* lvmlockd: use libsanlock_clientDavid Teigland2015-06-021-1/+1
| | | | instead of the full libsanlock which isn't needed
* lib: define constant for NO_LOCKD_RESULTDavid Teigland2015-06-021-4/+9
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* lib: rename flags variablesDavid Teigland2015-06-021-59/+59
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* lib: use static inline stubs for lockd functionsDavid Teigland2015-06-021-19/+100
| | | | when lvm is built without lvmlockd enabled.
* configure: use pc checks for lvmlockdDavid Teigland2015-06-021-0/+7
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* lvconvert, pvmove, polldaemon: add locking for lvmlockdDavid Teigland2015-06-023-14/+205
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* scripts: lvmlockd related service filesDavid Teigland2015-06-022-0/+43
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* man: add lvmlockd man pageDavid Teigland2015-06-021-0/+794
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* liblvm: new unused arg for vg_readDavid Teigland2015-06-021-1/+1
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* tools: use locks from lvmlockdDavid Teigland2015-06-0222-76/+765
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* tools: locking support for toolsDavid Teigland2015-06-024-16/+61
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* lib: use locks from lvmlockdDavid Teigland2015-06-0213-31/+310
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* lib: client side locking interface to lvmlockdDavid Teigland2015-06-022-0/+2425
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* lvmlockd: add daemonDavid Teigland2015-06-027-0/+8960
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* libdaemon: allow main processing function to be specifiedDavid Teigland2015-06-022-1/+8
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