mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2025-10-24 08:55:00 +03:00
The purpose of this PR is to accepts fadvise ioctl from userland to do read-ahead by demand. It could dramatically improve sequential read performance especially when primarycache is set to metadata or zfs_prefetch_disable is 1. If the file is mmaped, generic_fadvise is also called for page cache read-ahead besides dmu_prefetch. Only POSIX_FADV_WILLNEED and POSIX_FADV_SEQUENTIAL are supported in this PR currently. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Finix Yan <yancw@info2soft.com> Closes #13694 |
||
|---|---|---|
| .. | ||
| common.run | ||
| freebsd.run | ||
| linux.run | ||
| longevity.run | ||
| perf-regression.run | ||
| sanity.run | ||
| sunos.run | ||