| Message ID | 20170327111740.473-1-zajec5@gmail.com |
|---|---|
| State | Accepted |
| Headers | show |
On 27/03/17 13:17, Rafał Miłecki wrote: > From: Rafał Miłecki <rafal@milecki.pl> > > Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: John Crispin <john@phrozen.org> > --- > libfstools/mount.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/libfstools/mount.c b/libfstools/mount.c > index 81176ce..5358536 100644 > --- a/libfstools/mount.c > +++ b/libfstools/mount.c > @@ -25,6 +25,12 @@ > /* this is a raw syscall - man 2 pivot_root */ > extern int pivot_root(const char *new_root, const char *put_old); > > +/** > + * mount_move - move mounted point to the new location > + * > + * @oldroot: directory that is current location of mount point > + * @newroot: new directory for the mount point > + */ > int > mount_move(char *oldroot, char *newroot, char *dir) > { > @@ -79,6 +85,12 @@ pivot(char *new, char *old) > return 0; > } > > +/** > + * fopivot - switch to overlay using passed dir as upper one > + * > + * @rw_root: writable directory that will be used as upper dir > + * @ro_root: directory where old root will be put > + */ > int > fopivot(char *rw_root, char *ro_root) > { > @@ -134,6 +146,9 @@ fopivot(char *rw_root, char *ro_root) > return pivot("/mnt", ro_root); > } > > +/** > + * ramoverlay - use RAM to store filesystem changes on top of RO root > + */ > int > ramoverlay(void) > {
diff --git a/libfstools/mount.c b/libfstools/mount.c index 81176ce..5358536 100644 --- a/libfstools/mount.c +++ b/libfstools/mount.c @@ -25,6 +25,12 @@ /* this is a raw syscall - man 2 pivot_root */ extern int pivot_root(const char *new_root, const char *put_old); +/** + * mount_move - move mounted point to the new location + * + * @oldroot: directory that is current location of mount point + * @newroot: new directory for the mount point + */ int mount_move(char *oldroot, char *newroot, char *dir) { @@ -79,6 +85,12 @@ pivot(char *new, char *old) return 0; } +/** + * fopivot - switch to overlay using passed dir as upper one + * + * @rw_root: writable directory that will be used as upper dir + * @ro_root: directory where old root will be put + */ int fopivot(char *rw_root, char *ro_root) { @@ -134,6 +146,9 @@ fopivot(char *rw_root, char *ro_root) return pivot("/mnt", ro_root); } +/** + * ramoverlay - use RAM to store filesystem changes on top of RO root + */ int ramoverlay(void) {