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mount.2: Minor tweaks to NeilBrown's patch 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-05-21 11:57:29 +02:00
parent 0e1a971b94
commit a422236758
1 changed files with 8 additions and 8 deletions
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16
man2/mount.2
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@ -292,8 +292,8 @@ Since Linux 2.6.16,
.B MS_RDONLY .B MS_RDONLY
can be set or cleared on a per-mount-point basis as well as on can be set or cleared on a per-mount-point basis as well as on
the underlying filesystem. the underlying filesystem.
The mounted filesystem will only be The mounted filesystem will be
writable if neither the filesystem nor the mountpoint are flagged as writable only if neither the filesystem nor the mountpoint are flagged as
read-only. read-only.
.\" .\"
.SS Remounting an existing mount .SS Remounting an existing mount
@ -326,9 +326,9 @@ arguments should match the values used in the original
call, except for those parameters that are being deliberately changed. call, except for those parameters that are being deliberately changed.
Another exception is that Another exception is that
.B MS_BIND .B MS_BIND
has a different meaning for remount, and it should only be included if has a different meaning for remount, and it should be included only if
explicitly desired. explicitly desired.
.PP
The following The following
.I mountflags .I mountflags
can be changed: can be changed:
@ -361,19 +361,19 @@ is specified in
then the remount operation preserves the existing values of these flags then the remount operation preserves the existing values of these flags
(rather than defaulting to (rather than defaulting to
.BR MS_RELATIME ). .BR MS_RELATIME ).
.PP
Since Linux 2.6.26, this flag can be used with Since Linux 2.6.26, this flag can be used with
.B MS_BIND .B MS_BIND
to only modify the per-mount-point flags. to modify only the per-mount-point flags.
.\" See https://lwn.net/Articles/281157/ .\" See https://lwn.net/Articles/281157/
This is particularly useful for setting or clearing the "read-only" This is particularly useful for setting or clearing the "read-only"
flag on a mount point without changing the underlying filesystem. flag on a mount point without changing the underlying filesystem.
Specifying Specifying
.IR mountflags .IR mountflags
as: as:
.PP
MS_REMOUNT | MS_BIND | MS_RDONLY MS_REMOUNT | MS_BIND | MS_RDONLY
.PP
will make access through this mountpoint read-only, without affecting will make access through this mountpoint read-only, without affecting
other mount points. other mount points.
.\" .\"