[Libguestfs] [PATCH 1/2] New API: f2fs_expand

Expose the resize.f2fs utility from f2fs-tools, to expand a f2fs filesystem. --- daemon/Makefile.am | 1 + daemon/f2fs.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++ generator/actions_core.ml | 9 +++++++++ generator/proc_nr.ml | 1 + lib/MAX_PROC_NR | 2 +- 5 files changed, 61 insertions(+), 1 deletion(-) create mode 100644 daemon/f2fs.c diff --git a/daemon/Makefile.am b/daemon/Makefile.am index ba5d8deed..5df41fd79 100644 --- a/daemon/Makefile.am +++ b/daemon/Makefile.am @@ -113,6 +113,7 @@ guestfsd_SOURCES = \ du.c \ echo-daemon.c \ ext2.c \ + f2fs.c \ fallocate.c \ file.c \ fill.c \ diff --git a/daemon/f2fs.c b/daemon/f2fs.c new file mode 100644 index 000000000..74108a3b1 --- /dev/null +++ b/daemon/f2fs.c @@ -0,0 +1,49 @@ +/* libguestfs - the guestfsd daemon + * Copyright (C) 2018 Red Hat Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "daemon.h" +#include "actions.h" +#include "optgroups.h" + +int +optgroup_f2fs_available (void) +{ + return prog_exists ("resize.f2fs"); +} + +int +do_f2fs_expand (const char *device) +{ + CLEANUP_FREE char *err = NULL; + int r; + + r = commandf (NULL, &err, COMMAND_FLAG_FOLD_STDOUT_ON_STDERR, + "resize.f2fs", device, NULL); + if (r == -1) { + reply_with_error ("%s", err); + return -1; + } + + return 0; +} diff --git a/generator/actions_core.ml b/generator/actions_core.ml index 544cb6ea7..394576398 100644 --- a/generator/actions_core.ml +++ b/generator/actions_core.ml @@ -9708,4 +9708,13 @@ When growing a partition you will want to grow the filesystem afterwards, but when shrinking, you need to shrink the filesystem before the partition." }; + { defaults with + name = "f2fs_expand"; added = (1, 39, 3); + style = RErr, [String (Device, "device")], []; + optional = Some "f2fs"; + shortdesc = "expand a f2fs filesystem"; + longdesc = "\ +This expands a f2fs filesystem to match the size of the underlying +device." }; + ] diff --git a/generator/proc_nr.ml b/generator/proc_nr.ml index 9e16ab14a..ca73aa361 100644 --- a/generator/proc_nr.ml +++ b/generator/proc_nr.ml @@ -512,6 +512,7 @@ let proc_nr = [ 502, "inspect_get_drive_mappings"; 503, "part_set_gpt_attributes"; 504, "part_get_gpt_attributes"; +505, "f2fs_expand"; ] (* 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 3091e8eea..f573e999a 100644 --- a/lib/MAX_PROC_NR +++ b/lib/MAX_PROC_NR @@ -1 +1 @@ -504 +505 -- 2.14.3