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| author | Karel Zak | 2018-03-19 11:29:25 +0100 |
|---|---|---|
| committer | Karel Zak | 2018-03-19 11:46:11 +0100 |
| commit | 5109589cc5f1c44682e55307922c459feb3083ab (patch) | |
| tree | 6a9c4c2d455f96f3c704643ebf506c61b25c7d0f /sys-utils/mount.8 | |
| parent | tests: consolidate ts_device_has UUID or LABEL (diff) | |
| download | kernel-qcow2-util-linux-5109589cc5f1c44682e55307922c459feb3083ab.tar.gz kernel-qcow2-util-linux-5109589cc5f1c44682e55307922c459feb3083ab.tar.xz kernel-qcow2-util-linux-5109589cc5f1c44682e55307922c459feb3083ab.zip | |
mount: (man) be explicit about bind operation
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/mount.8')
| -rw-r--r-- | sys-utils/mount.8 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys-utils/mount.8 b/sys-utils/mount.8 index 2f9890aae..b64d956e3 100644 --- a/sys-utils/mount.8 +++ b/sys-utils/mount.8 @@ -327,7 +327,7 @@ The option is similar, with the restriction that the user must be member of the group of the special file. -.SS Bind mounts +.SS Bind mount operation Remount part of the file hierarchy somewhere else. The call is: .RS @@ -346,6 +346,13 @@ or by using this fstab entry: .RE After this call the same contents are accessible in two places. + +It is important to understand that "bind" does not to create any second-class +or special node in the kernel VFS. The "bind" is just another operation to +attach a filesystem. There is nowhere stored information that the filesystem +has been attached by "bind" operation. The \fIolddir\fR and \fInewdir\fR are +independent and the \fIolddir\fR maybe be umounted. + One can also remount a single file (on a single file). It's also possible to use the bind mount to create a mountpoint from a regular directory, for example: |