Re: [PATCH v3] ndctl: add clear error support for ndctl

+++ b/Documentation/ndctl-clear-error.txt @@ -0,0 +1,37 @@ +ndctl-clear-error(1) +==================== + +NAME +---- +ndctl-clear-error - clear badblocks for a device + +SYNOPSIS +-------- +[verse] +'ndctl clear-error' [<options>] + +EXAMPLES +-------- + +Clear poison (bad blocks) for the provided device +[verse] +ndctl clear-error -f /dev/dax0.0 -s 0 -l 8 + +Clear poison (bad blocks) at block offset 0 for 8 blocks on device /dev/dax0.0 + +OPTIONS +------- +-f:: +--file:: + The device/file to be cleared of poison (bad blocks). + +-s:: +--start:: + The offset where the poison (bad block) starts for this device. + Typically this is acquired from the sysfs badblocks file. + +-l:: +--len:: + The number of badblocks to clear in size of 512 bytes increments. +