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authorNeilBrown <neilb@suse.de>2009-12-14 04:49:56 +0300
committerNeilBrown <neilb@suse.de>2009-12-14 04:51:41 +0300
commitece5cff0da9e696c360fff592cb5f51b6419e4d6 (patch)
tree1c5cab0e89ae466be9edb476ceb91e5c898fafa6 /arch
parent624ce4f5658fa3e0303c1217bba2706142fe7568 (diff)
downloadlinux-ece5cff0da9e696c360fff592cb5f51b6419e4d6.tar.xz
md: Support write-intent bitmaps with externally managed metadata.
In this case, the metadata needs to not be in the same sector as the bitmap. md will not read/write any bitmap metadata. Config must be done via sysfs and when a recovery makes the array non-degraded again, writing 'true' to 'bitmap/can_clear' will allow bits in the bitmap to be cleared again. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'arch')
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