[PATCH 2/2] xfsprogs: indicate default mount options in xfs.5 manpage

Eric Sandeen
2014-06-11T20:04:27Z

Not every pair of mount options indicated which was the
default, so add those.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---

diff --git a/man/man5/xfs.5 b/man/man5/xfs.5
index 1729e38..528d99c 100644
--- a/man/man5/xfs.5
+++ b/man/man5/xfs.5
@@ -137,6 +137,8 @@ Enables/disables the use of block layer write barriers for
writes into the journal and for data integrity operations.
This allows for drive level write caching to be enabled, for
devices that support write barriers.
+.sp
+Barriers are enabled by default.
.TP
.BR discard | nodiscard
Enable/disable the issuing of commands to let the block
@@ -147,7 +149,7 @@ machine images, but may have a performance impact.
Note: It is currently recommended that you use the fstrim
application to discard unused blocks rather than the discard
mount option because the performance impact of this option
-is quite severe.
+is quite severe. For this reason, nodiscard is the default.
.TP
.BR grpid | bsdgroups | nogrpid | sysvgroups
These options define what group ID a newly created file
@@ -167,7 +169,7 @@ configured to use it.
When ikeep is specified, XFS does not delete empty inode
clusters and keeps them around on disk. When noikeep is
specified, empty inode clusters are returned to the free
-space pool.
+space pool. noikeep is the default.
.TP
.BR inode32 | inode64
When inode32 is specified, it indicates that XFS limits
@@ -185,6 +187,8 @@ cause problems for some applications that cannot handle
large inode numbers. If applications are in use which do
not handle inode numbers bigger than 32 bits, the inode32
option should be specified.
+.sp
+For kernel v3.7 and later, inode64 is the default.
.TP
.BR largeio | nolargeio
If "nolargeio" is specified, the optimal I/O reported in
@@ -198,7 +202,8 @@ If "largeio" specified, a filesystem that was created with a
in st_blksize. If the filesystem does not have a "swidth"
specified but does specify an "allocsize" then "allocsize"
(in bytes) will be returned instead. Otherwise the behavior
-is the same as if "nolargeio" was specified.
+is the same as if "nolargeio" was specified. nolargeio
+is the default.
.TP
.B logbufs=value
Set the number of in-memory log buffers. Valid numbers