[Libguestfs] [PATCH 1/4] New API: btrfstune_S_enable

Signed-off-by: Chen Hanxiao <chenhanxiao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 25 +++++++++++++++++++++++++ generator/actions.ml | 16 ++++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 42 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index d84c28e..c94c11a 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -2090,3 +2090,28 @@ do_btrfs_inspect_internal_logical_resolve (int64_t logical, const char *fs) return out; } + +int +do_btrfstune_S_enable (const char *device) +{ + const size_t MAX_ARGS = 64; + const char *argv[MAX_ARGS]; + size_t i = 0; + CLEANUP_FREE char *err = NULL; + CLEANUP_FREE char *out = NULL; + int r; + + ADD_ARG (argv, i, str_btrfstune); + ADD_ARG (argv, i, "-S"); + ADD_ARG (argv, i, "1"); + ADD_ARG (argv, i, device); + ADD_ARG (argv, i, NULL); + + r = commandv (&out, &err, argv); + if (r == -1) { + reply_with_error ("%s: %s", device, err); + return -1; + } + + return 0; +} diff --git a/generator/actions.ml b/generator/actions.ml index 7b7655d..6dccb5c 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12531,6 +12531,22 @@ Get path on a btrfs filesystem for the given inode." }; longdesc = "\ Get path on a btrfs filesystem for the logical address." }; + { defaults with + name = "btrfstune_S_enable"; + style = RErr, [Device "device"], []; + proc_nr = Some 454; + optional = Some "btrfs"; camel_name = "BTRFSTuneSEnable"; + tests = [ + InitPartition, Always, TestRun ( + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""]; + ["btrfstune_S_enable"; "/dev/sda1"]]), [] + ]; + + shortdesc = "enable seeding of a btrfs device"; + longdesc = "\ +Enable seeding of a btrfs device, this will force a fs readonly +so that you can use it tto build other filesystems." }; + ] (* Non-API meta-commands available only in guestfish. diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR index 534b992..515f19a 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -453 +454 -- 2.1.0