scsi: hisi_sas: Add ability to have multiple debugfs dumps
We use the module parameter debugfs_dump_count to manage the upper limit of the memory block for multiple dumps. Link: https://lore.kernel.org/r/1571926105-74636-17-git-send-email-john.garry@huawei.comSigned-off-by: NLuo Jiaxing <luojiaxing@huawei.com> Signed-off-by: NJohn Garry <john.garry@huawei.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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