[Ocfs2-tools-devel] [PATCH 4/7] mkfs.ocfs2: Update the man page
Sunil Mushran
sunil.mushran at oracle.com
Wed Feb 17 12:42:26 PST 2010
Refresh the man page to reflect the new fs type vmstore and the
new fs features, refcount and xattr.
Signed-off-by: Sunil Mushran <sunil.mushran at oracle.com>
---
mkfs.ocfs2/mkfs.ocfs2.8.in | 43 +++++++++++++++++++++++++++++--------------
1 files changed, 29 insertions(+), 14 deletions(-)
diff --git a/mkfs.ocfs2/mkfs.ocfs2.8.in b/mkfs.ocfs2/mkfs.ocfs2.8.in
index d1f4011..978af11 100644
--- a/mkfs.ocfs2/mkfs.ocfs2.8.in
+++ b/mkfs.ocfs2/mkfs.ocfs2.8.in
@@ -1,4 +1,4 @@
-.TH "mkfs.ocfs2" "8" "April 2009" "Version @VERSION@" "OCFS2 Manual Pages"
+.TH "mkfs.ocfs2" "8" "February 2010" "Version @VERSION@" "OCFS2 Manual Pages"
.SH "NAME"
mkfs.ocfs2 \- Creates an \fIOCFS2\fR file system.
.SH "SYNOPSIS"
@@ -92,15 +92,18 @@ filesystem types are:
.RS 1.2i
.TP
\fBmail\fR
-Appropriate for file systems which will have many meta data
-updates. Creates a larger journal.
+Appropriate for file systems that will host lots of small files.
.RE
.RS 1.2i
.TP
\fBdatafiles\fR
-Appropriate for file systems which will host a relatively small number
-of very large files. A small journal is selected. Cluster size will be
-at least 128K.
+Appropriate for file systems that will host a relatively small number
+of very large files.
+.RE
+.RS 1.2i
+.TP
+\fBvmstore\fR
+Appropriate for file systems that will host Virtual machine images.
.RE
.TP
@@ -138,6 +141,16 @@ The slot-map is a hidden file on an \fIOCFS2\fR fs which is used to map mounted
.RE
.RS 1.2i
.TP
+\fBmetaecc\fR
+Enables metadata checksums. With this enabled, the file system computes and stores the checksums in all metadata blocks. It also computes and stores an error correction code capable of fixing single bit errors.
+.RE
+.RS 1.2i
+.TP
+\fBrefcount\fR
+Enables creation of reference counted trees. With this enabled, the file system allows users to create inode-based snapshots and clones known as reflinks.
+.RE
+.RS 1.2i
+.TP
\fBxattr\fR
Enable extended attributes support. With this enabled, users can attach name:value pairs to objects
within the file system. In \fIOCFS2\fR, the names can be upto 255 bytes in length, terminated by the first
@@ -174,7 +187,7 @@ Chooses fewer features but ensures that the file system can be mounted from olde
.RS 1.2i
.TP
\fBdefault\fR
-The default feature set tries to strike a balance between providing new features and maintaining compatibility with relatively recent versions of \fIOCFS2\fR. It currently enables \fBsparse\fR, \fBunwritten\fR and \fBinline-data\fR.
+The default feature set tries to strike a balance between providing new features and maintaining compatibility with relatively recent versions of \fIOCFS2\fR. It currently enables \fBsparse\fR, \fBunwritten\fR and \fBinline-data\fR. It also enables \fBrefcount\fR and \fBxattr\fR for the \fIvmstore\fR volumes.
.RE
.RS 1.2i
.TP
@@ -217,13 +230,15 @@ CENTER ALLBOX;
LI LI LI
LB C C.
Feature Mainline Kernel Version Enterprise OCFS2 Version
-block64 Linux 2.6.29 Not available as yet
-local Linux 2.6.20 OCFS2 1.2 and 1.4
-sparse Linux 2.6.22 OCFS2 1.4
-unwritten Linux 2.6.23 OCFS2 1.4
-inline-data Linux 2.6.24 OCFS2 1.4
+block64 Linux 2.6.29 OCFS2 1.6
+local Linux 2.6.20 OCFS2 1.2, 1.4 and 1.6
+metaecc Linux 2.6.29 Not available as yet
+refcount Linux 2.6.32 OCFS2 1.6
+sparse Linux 2.6.22 OCFS2 1.4 and 1.6
+unwritten Linux 2.6.23 OCFS2 1.4 and 1.6
+inline-data Linux 2.6.24 OCFS2 1.4 and 1.6
extended-slotmap Linux 2.6.27 Not available as yet
-xattr Linux 2.6.29 Not available as yet
+xattr Linux 2.6.29 OCFS2 1.6
.TE
.TS
@@ -252,4 +267,4 @@ Features: sparse inline-data unwritten
Oracle Corporation
.SH "COPYRIGHT"
-Copyright \(co 2004, 2009 Oracle. All rights reserved.
+Copyright \(co 2004, 2010 Oracle. All rights reserved.
--
1.6.3.3
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