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authorShaohua Li <shli@fb.com>2016-08-30 10:29:33 -0700
committerShaohua Li <shli@fb.com>2016-08-31 09:05:23 -0700
commitad5b0f7685dbfc4730987cd16af3c5ebe8133f10 (patch)
tree84a2c04da9521953b1883b04bc9b54a51d600a4c
parent8e018c21da3febb558586b48c8db0d6d66cb6593 (diff)
raid5: guarantee enough stripes to avoid reshape hang
If there aren't enough stripes, reshape will hang. We have a check for this in new reshape, but miss it for reshape resume, hence we could see hang in reshape resume. This patch forces enough stripes existed if reshape resumes. Reviewed-by: NeilBrown <neilb@suse.com> Signed-off-by: Shaohua Li <shli@fb.com>
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