Re: [Libguestfs] [PATCH 2/4] New API: btrfstune_S_disable

Signed-off-by: Chen Hanxiao <chenhanxiao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 26 ++++++++++++++++++++++++++ generator/actions.ml | 18 ++++++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 45 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index c94c11a..a129e2e 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -2115,3 +2115,29 @@ do_btrfstune_S_enable (const char *device) return 0; } + +int +do_btrfstune_S_disable (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, "0"); + ADD_ARG (argv, i, "-f"); + 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 6dccb5c..3c906a4 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12547,6 +12547,24 @@ Get path on a btrfs filesystem for the logical address." }; Enable seeding of a btrfs device, this will force a fs readonly so that you can use it tto build other filesystems." }; + { defaults with + name = "btrfstune_S_disable"; + style = RErr, [Device "device"], []; + proc_nr = Some 455; + optional = Some "btrfs"; camel_name = "BTRFSTuneSDisable"; + tests = [ + InitPartition, Always, TestRun ( + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""]; + ["btrfstune_S_enable"; "/dev/sda1"]; + ["btrfstune_S_disable"; "/dev/sda1"]]), [] + ]; + + shortdesc = "disable seeding of a btrfs device"; + longdesc = "\ + This will disable seeding of a btrfs device. + Warning: This is dangerous, clearing the seeding flag + may cause the derived device not to be mountable!" }; +