- 18 Jul, 2016 21 commits
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Heinz Mauelshagen authored
Enhance rs_reshape_requested() check function to be more transparent and fix its raid10 check. Streamline the constructor by factoring out reshaping preparation into fucntion rs_prepare_reshape(). Signed-off-by:
Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by:
Mike Snitzer <snitzer@redhat.com>
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Heinz Mauelshagen authored
Resizing a RAID set during recovery can be allowed, because the MD resynchronization thread will either stop any ongoing recovery in case of shrinking below the current recovery position or carry on recovery to the new size if the set is growing. Signed-off-by:
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
Add function rs_setup_recovery() to allow for defined setup of RAID set recovery in the constructor. Will be called with dev_sectors={0, rdev->sectors, MaxSectors} to recover a new or enforced sync, grown or not to be synhronized RAID set respectively. Prevents recovery on raid0, which doesn't support it. Enforces recovery on raid6 to ensure properly defined Syndromes mandatory for that MD personality are being created. Signed-off-by: -
Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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- 06 Jul, 2016 1 commit
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Mike Snitzer authored
Check return value of kthread_run() in dm_old_init_request_queue(). Reported-by:
Minfei Huang <mnghuan@gmail.com> Signed-off-by:
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- 02 Jul, 2016 1 commit
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Sami Tolvanen authored
do_div was replaced with div64_u64 at some point, causing a bug with block calculation due to incompatible semantics of the two functions. Signed-off-by:
Sami Tolvanen <samitolvanen@google.com> Fixes: a739ff3f ("dm verity: add support for forward error correction") Cc: stable@vger.kernel.org # v4.5+ Signed-off-by:
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- 01 Jul, 2016 2 commits
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Bart Van Assche authored
Merge the two DM_PARAMS_[KV]MALLOC flags into a single flag. Doing so avoids the crashes seen with previous attempts to consolidate buffer management to use kvfree() without first flagging that memory had actually been allocated. Signed-off-by:
Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by:
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Bart Van Assche authored
Avoid that sparse complains about assigning a __le64 value to a u64 variable. Remove the (u64) casts since these are superfluous. This patch does not change the behavior of the source code. Signed-off-by:
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- 16 Jun, 2016 1 commit
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Arnd Bergmann authored
A newly introduced function has 'const int' as the return type, but as "make W=1" reports, that has no meaning: drivers/md/dm-raid.c:510:18: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] This changes the return type to plain 'int'. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Fixes: 33e53f06 ("dm raid: introduce extended superblock and new raid types to support takeover/reshaping") Signed-off-by:
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- 14 Jun, 2016 14 commits
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Heinz Mauelshagen authored
Superblock updates where bogus causing some takovers/reshapes to fail. Introduce new runtime flag (RT_FLAG_KEEP_RS_FROZEN) to keep a raid set frozen when a layout change was requested. Userpace will immediately reload the table w/o the flags requesting such change once they made it to the superblocks and any change of recovery/reshape offsets has to be avoided until after read. Signed-off-by:
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
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Heinz Mauelshagen authored
Add bool functions rs_is_recovering and rs_is_reshaping() to test for ongoing recovery/reshaping respectively in order to reject respective requests on ongoing ones. Remove ctr array size check, because ti->len and array sectors will differ during disk addition/removal reshape. Use __is_raid10_near() rather than type string compare. Introduce rs_check_reshape() and rs_start_reshape(), use the former in the ctr to reject bogus rehsape requests and the latter in preresume to actually start a reshape. Signed-off-by:
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Heinz Mauelshagen authored
Add rs_is_reshapable(), rs_data_stripes(), rs_reshape_requested(), rs_set_dev_and_array_sectors() and rs_adjust_data_offsets() Remove superfluous check for reshape message Correct runtime bit definitions to be incremental Signed-off-by:
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Heinz Mauelshagen authored
It is more intuitive to manage each raid level's features in terms of what is supported rather than what isn't supported. Signed-off-by:
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Mike Snitzer authored
Renamed functions and variables with leading single underscore to have a double underscore. Renamed some functions to have better names. Folded functions that were split out without reason. Signed-off-by: -
Mike Snitzer authored
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Mike Snitzer authored
Removes obfuscation that is of little value. Signed-off-by: -
Mike Snitzer authored
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Mike Snitzer authored
Also update module description to "raid0/1/10/4/5/6 target" Reported by Alasdair G Kergon <agk@redhat.com> Signed-off-by: -
Mike Snitzer authored
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Mike Snitzer authored
No idea what Heinz was doing with the versioning but upstream commit 4c9971ca ("dm raid: make sure no feature flags are set in metadata") bumped to 1.8.0 already. Signed-off-by:
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Mike Snitzer authored
There ti_error_* wrappers added very little. No other DM target has ever gone to such lengths to wrap setting ti->error. Also fixes some NULL derefences via rs->ti->error. Signed-off-by:
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