Hi Askar, On Fri, Aug 22, 2025 at 11:43:15AM +0000, Askar Safin wrote: > My edit is based on experiments and reading Linux code > > Signed-off-by: Askar Safin <safinaskar@xxxxxxxxxxxx> You could add Cc: tags there for people you CC'd in the patch. (For next time.) I'll wait before applying the patch, to allow anyone to review it, in case they want to comment. Have a lovely day! Alex > --- > man/man2/mount.2 | 21 ++++++++++++++++++--- > 1 file changed, 18 insertions(+), 3 deletions(-) > > diff --git a/man/man2/mount.2 b/man/man2/mount.2 > index 5d83231f9..909b82e88 100644 > --- a/man/man2/mount.2 > +++ b/man/man2/mount.2 > @@ -405,7 +405,19 @@ flag can be used with > to modify only the per-mount-point flags. > .\" See https://lwn.net/Articles/281157/ > This is particularly useful for setting or clearing the "read-only" > -flag on a mount without changing the underlying filesystem. > +flag on a mount without changing flags of the underlying filesystem. > +The > +.I data > +argument is ignored if > +.B MS_REMOUNT > +and > +.B MS_BIND > +are specified. > +The > +.I mountflags > +should specify existing per-mount-point flags, > +except for those parameters > +that are deliberately changed. > Specifying > .I mountflags > as: > @@ -416,8 +428,11 @@ MS_REMOUNT | MS_BIND | MS_RDONLY > .EE > .in > .P > -will make access through this mountpoint read-only, without affecting > -other mounts. > +will make access through this mountpoint read-only > +(and clear all other per-mount-point flags), > +without affecting > +other mounts > +of this filesystem. > .\" > .SS Creating a bind mount > If > -- > 2.47.2 > -- <https://www.alejandro-colomar.es/>
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