Merge branch 'zvol'

Performance improvements for zvols.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3720
This commit is contained in:
Brian Behlendorf
2015-09-04 13:02:48 -07:00
21 changed files with 292 additions and 704 deletions
-11
View File
@@ -1591,17 +1591,6 @@ Max number of blocks to discard at once
Default value: \fB16,384\fR.
.RE
.sp
.ne 2
.na
\fBzvol_threads\fR (uint)
.ad
.RS 12n
Max number of threads to handle zvol I/O requests
.sp
Default value: \fB32\fR.
.RE
.SH ZFS I/O SCHEDULER
ZFS issues I/O operations to leaf vdevs to satisfy and complete I/Os.
The I/O scheduler determines when and in what order those operations are