Re: [PATCH v3 1/6] block: add disk sequence number
From: Christoph Hellwig <hch@infradead.org>
Date: 2021-06-23 11:49:09
Also in:
linux-fsdevel, lkml
On Wed, Jun 23, 2021 at 12:58:53PM +0200, Matteo Croce wrote:
+void inc_diskseq(struct gendisk *disk)
+{
+ static atomic64_t diskseq;Please don't hide file scope variables in functions. Can you explain a little more why we need a global sequence count vs a per-disk one here?