Grammar and mdoc improvements.

MFC after:	3 days
This commit is contained in:
Christian Brueffer 2009-11-24 13:44:53 +00:00
parent c8039fc667
commit eaea833385

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@ -36,12 +36,12 @@
.Sh DESCRIPTION
The
.Nm
driver provides support for direct access devices, implementing
driver provides support for direct access devices, implementing the
.Tn ATA
command protocol, that are attached to the system through a host adapter
supported by CAM subsystem.
supported by the CAM subsystem.
.Pp
Host adapter must also be separately configured into the system before a
The host adapter must also be separately configured into the system before an
.Tn ATA
direct access device can be configured.
.Sh COMMAND QUEUING
@ -52,12 +52,12 @@ seeks.
defines two types of queueing:
.Tn TCQ (Tagged Command Queueing, PATA legacy)
and
.Tn NCQ (Native Command Queueing, SATA).
.Tn NCQ (Native Command Queueing, SATA) .
The
.Nm
device driver takes full advantage of the NCQ, when supported.
To ensure that transactions to distant portions of the media,
which may be deferred indefinitely by servicing requests nearer the current
device driver takes full advantage of NCQ, when supported.
To ensure that transactions to distant parts of the media,
which may be deferred indefinitely by servicing requests closer to the current
head position, are completed in a timely fashion, an ordered
transaction is sent every 7 seconds during continuous device operation.
.Sh CACHE EFFECTS
@ -84,8 +84,8 @@ writes will be lost.
The effect of a loss of write transactions on
a file system is non-deterministic and can cause corruption.
Most
devices age write transactions to limit vulnerability to a few transactions
recently reported as complete, but it is none-the-less recommended that
devices age write transactions to limit the vulnerability to a few transactions
recently reported as complete, but it is nonetheless recommended that
systems with write cache enabled devices reside on an Uninterruptible
Power Supply (UPS).
The
@ -125,14 +125,14 @@ seconds.
ATA device nodes
.El
.Sh SEE ALSO
.Xr ad 4 ,
.Xr ahci 4 ,
.Xr siis 4 ,
.Xr ad 4
.Xr da 4
.Xr da 4 ,
.Xr siis 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Fx 8.0 .
.Sh AUTHORS
.An Alexander Motin Aq mav@FreeBSD.org .
.An Alexander Motin Aq mav@FreeBSD.org