diff options
Diffstat (limited to 'usr.sbin/ctladm/ctladm.8')
| -rw-r--r-- | usr.sbin/ctladm/ctladm.8 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/usr.sbin/ctladm/ctladm.8 b/usr.sbin/ctladm/ctladm.8 index 21b1946..e23e743 100644 --- a/usr.sbin/ctladm/ctladm.8 +++ b/usr.sbin/ctladm/ctladm.8 @@ -34,7 +34,7 @@ .\" $Id: //depot/users/kenm/FreeBSD-test2/usr.sbin/ctladm/ctladm.8#3 $ .\" $FreeBSD$ .\" -.Dd November 5, 2014 +.Dd December 6, 2014 .Dt CTLADM 8 .Os .Sh NAME @@ -995,6 +995,13 @@ command sequence order shall be explicitly handled by the application client through the selection of appropriate commands and task attributes. The default value is "restricted". It improves data integrity, but may introduce some additional delays. +.It Va serseq +Set to "on" to serialize conseсutive reads/writes. +Set to "read" to serialize conseсutive reads. +Set to "off" to allow them be issued in parallel. +Parallel issue of consecutive operations may confuse logic of the +backing file system, hurting performance; but it may improve performance +of backing stores without prefetch/write-back. .It Va rpm Specifies medium rotation rate of the device: 0 -- not reported, 1 -- non-rotating (SSD), >1024 -- value in revolutions per minute. |
