On 12/17/20 5:42 AM, Matthew Wilcox wrote:
On Thu, Dec 17, 2020 at 12:12:46PM +0000, Matthew Wilcox wrote:ehh ... probably an off-by-one. Does subtracting 1 from contig_end fix it? I'll spool up a test VM shortly and try it out.Yes, this fixed it: - u64 contig_end = contig_start + readahead_batch_length(rac); + u64 contig_end = contig_start + readahead_batch_length(rac) - 1;
Yes, confirmed on my end, too. thanks, -- John Hubbard NVIDIA