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Diffstat (limited to 'sys-utils/mount.8')
| -rw-r--r-- | sys-utils/mount.8 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sys-utils/mount.8 b/sys-utils/mount.8 index ac410640e..3bd278e6a 100644 --- a/sys-utils/mount.8 +++ b/sys-utils/mount.8 @@ -385,6 +385,20 @@ will be read-only. It's also possible to change nosuid, nodev, noexec, noatime, nodiratime and relatime VFS entry flags by "remount,bind" operation. It's impossible to change mount options recursively (for example with \fB-o rbind,ro\fR). + +.BR mount (8) +since v2.31 ignores the \fBbind\fR flag from +.I /etc/fstab +on +.B remount operation +(if "-o remount" specified on command line). This is necessary to fully control +mount options on remount by command line. In the previous versions the bind +flag has been always applied and it was impossible to re-define mount options +without interaction with the bind semantic. This +.BR mount (8) +behavior does not affect situations when "remount,bind" is specified in the +.I /etc/fstab +file. .RE .SS The move operation @@ -1088,6 +1102,10 @@ Attempt to remount an already-mounted filesystem. This is commonly used to change the mount flags for a filesystem, especially to make a readonly filesystem writable. It does not change device or mount point. +The remount operation together with the +.B bind +flag has special semantic. See above, the subsection \fBBind mounts\fR. + The remount functionality follows the standard way the mount command works with options from fstab. This means that \fBmount\fR does not read fstab (or mtab) only when both |