Finix1979

Add Linux posix_fadvise support

9

The purpose of this PR is to accepts fadvise ioctl from userland to do read-ahead by demand. It could dramatically improve sequencial read performance especially when primarycache is set to...

[Question] Does Datto snapshot use COFW?

2

I have a question about how to handle write operations in snapshot mode. When the write I/O comes and matches the tracing requirement, Datto clones the IO via bio_make_read_clone and...

If any error occurs in snap_trace_bio, we should still issue original write io along with setting the snap device to failure mode. Besides that, call tp_get(tp) only when the clone...

config: add HAVE_DEQUEUE_SIGNAL_3ARG_SIGINFO

1

When I use the latest stable version of ZFS(2.3-release), I find that it cannot compile on my Kylin OS, which is based on the 4.19 kernel version. ### Motivation and...

### System information Type | Version/Name --- | --- Distribution Name | kylin10 Distribution Version | Kernel Version | 4.19.90-24.4.v2101.ky10.x86_64 Architecture | x86_64 OpenZFS Version | Tag 2.0.7 ### Describe...