Re: [PATCH, RFC 0/3] Introduce new O_HOT and O_COLD flags
|[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
On 04/20/2012 07:01 AM, James Bottomley wrote:
The concern I have is that the notion of hot and cold files *isn't* propagated to the page cache, it's just shared between the fs and the disk.
Bingo -- full-file hint is too coarse-grained for some workloads. Page granularity would propagate to the VM as well as block layer, and give the required flexibility to all workloads. As well as covering the full-file case.
Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
[Reiser Filesystem Development] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Linux FS] [Photo] [Yosemite] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Samba] [Video 4 Linux] [Device Mapper] [Linux Resources]