diff options
| author | kib <kib@FreeBSD.org> | 2011-09-06 10:19:01 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2011-09-06 10:19:01 +0000 |
| commit | 3867ad03de4ff7dcaff09fc37aaed18d9eeaac00 (patch) | |
| tree | d4da7dfacfbc9bfe8798bdb0866976cef27fb92a /sbin/mdmfs/mdmfs.8 | |
| parent | 6184ef6122298d90e6be72044f916d1356b1f089 (diff) | |
| download | FreeBSD-src-3867ad03de4ff7dcaff09fc37aaed18d9eeaac00.zip FreeBSD-src-3867ad03de4ff7dcaff09fc37aaed18d9eeaac00.tar.gz | |
dd -t switch for mdmfs to enable TRIM on the configured filesystem.
While there, fix minor style issues.
Submitted by: Alex Kozlov <spam rm-rf kiev ua>
MFC after: 1 week
Approved by: re (bz)
Diffstat (limited to 'sbin/mdmfs/mdmfs.8')
| -rw-r--r-- | sbin/mdmfs/mdmfs.8 | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sbin/mdmfs/mdmfs.8 b/sbin/mdmfs/mdmfs.8 index ef8e596..f2db7da 100644 --- a/sbin/mdmfs/mdmfs.8 +++ b/sbin/mdmfs/mdmfs.8 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 15, 2007 +.Dd September 4, 2011 .Dt MDMFS 8 .Os .Sh NAME @@ -36,7 +36,7 @@ driver .Sh SYNOPSIS .Nm -.Op Fl DLlMNPSUX +.Op Fl DLlMNPStUX .Op Fl a Ar maxcontig .Op Fl b Ar block-size .Op Fl c Ar blocks-per-cylinder-group @@ -224,6 +224,13 @@ and the optional .Xr malloc 9 backed disks .Pq Dv MD_MALLOC . +.It Fl t +Turn on the TRIM enable flag for +.Xr newfs 8 . +The +.Xr md 4 +device supports the BIO_DELETE command, enabling the TRIM on created +filesystem allows return of freed memory to the system pool. .It Fl U Enable soft-updates on the file system. This is the default, and is accepted only |
