Re: [Libguestfs] [PATCH] Add partprobe call in the API

On Tue, Jun 20, 2023 at 02:09:36PM +0200, Philippe Midol-Monnet wrote: > Hello > > We are using libguestfs with nested partitions: One partition > encrypted with LUKS include a GPT and several partition. > In order to make the nested partition available to the system after > the cryptsetup-open, partprobe need to be run. > I guess it is true for all kind of nested partitions (encrypted or not). > > This patch add a partprobe call in the API. > > Regards > > Philippe > > > > -- > > > *This email and any attachment contains EasyMile’s confidential > information, and must not be modified or circulated without > EasyMile’s prior written consent. It is intended exclusively for > their recipient.s. If you received this message by mistake, please > notify us promptly and immediately delete this email and any of its > attachments.* (You might want to change this warning, as it may prevent us from including this code upstream ...)

> diff --git a/daemon/Makefile.am b/daemon/Makefile.am > index bb2e58d01..8c34f3634 100644 > --- a/daemon/Makefile.am > +++ b/daemon/Makefile.am > @@ -164,6 +164,7 @@ guestfsd_SOURCES = \ > optgroups.c \ > optgroups.h \ > parted.c \ > + partprobe.c \ > pingdaemon.c \ > proto.c \ > readdir.c \ > diff --git a/docs/C_SOURCE_FILES b/docs/C_SOURCE_FILES > index 7a20e5594..0e845dcec 100644 > --- a/docs/C_SOURCE_FILES > +++ b/docs/C_SOURCE_FILES > @@ -125,6 +125,7 @@ daemon/ntfsclone.c > daemon/optgroups.c > daemon/optgroups.h > daemon/parted.c > +daemon/partprobe.c > daemon/pingdaemon.c > daemon/proto.c > daemon/readdir.c > diff --git a/generator/actions_core.ml b/generator/actions_core.ml > index addbe4ec1..f63065426 100644 > --- a/generator/actions_core.ml > +++ b/generator/actions_core.ml > @@ -5110,6 +5110,16 @@ partition table), C<gpt> (a GPT/EFI-style partition table). Other > values are possible, although unusual. See C<guestfs_part_init> > for a full list." }; > > + { defaults with > + name = "partprobe"; added = (1, 0, 54); This should be the next version, ie. (1, 51, 4) > + style = RErr, [String (Device, "device")], []; > + tests = []; > + shortdesc = "run partprobe"; > + longdesc = "\ > +This command runs the C<partprobe> on a device in order to inform > +the OS of partition table change > +usage for C<path>.It is neede in case of nested partition."}; > + > { defaults with > name = "fill"; added = (1, 0, 79); > style = RErr, [Int "c"; Int "len"; String (Pathname, "path")], []; > diff --git a/generator/proc_nr.ml b/generator/proc_nr.ml > index f71a849c9..342ba6e82 100644 > --- a/generator/proc_nr.ml > +++ b/generator/proc_nr.ml > @@ -516,6 +516,7 @@ let proc_nr = [ > 511, "internal_readdir"; > 512, "clevis_luks_unlock"; > 513, "inspect_get_build_id"; > +514, "partprobe"; > ] > > (* End of list. If adding a new entry, add it at the end of the list > diff --git a/lib/MAX_PROC_NR b/lib/MAX_PROC_NR > index 31cf34b8d..a08796291 100644 > --- a/lib/MAX_PROC_NR > +++ b/lib/MAX_PROC_NR > @@ -1 +1 @@ > -513 > +514 The patch is fine as far as it goes, but you'll need to include the new partprobe.c file :-) Rich.