[Libguestfs] [PATCH v2 11/11] New API: btrfs_qgroup_remove

btrfs_qgroup_remove removes a qgroup from its parent qgroup. Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 34 ++++++++++++++++++++++++++++++++++ generator/actions.ml | 19 +++++++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 54 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index 2ba5296..40bc34d 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -1306,3 +1306,37 @@ do_btrfs_qgroup_assign (const char *src, const char *dst, const char *path) return 0; } + +int +do_btrfs_qgroup_remove (const char *src, const char *dst, const char *path) +{ + const size_t MAX_ARGS = 64; + const char *argv[MAX_ARGS]; + size_t i = 0; + CLEANUP_FREE char *path_buf = NULL; + CLEANUP_FREE char *err = NULL; + CLEANUP_FREE char *out = NULL; + int r; + + path_buf = sysroot_path (path); + if (path_buf == NULL) { + reply_with_perror ("malloc"); + return -1; + } + + ADD_ARG (argv, i, str_btrfs); + ADD_ARG (argv, i, "qgroup"); + ADD_ARG (argv, i, "remove"); + ADD_ARG (argv, i, src); + ADD_ARG (argv, i, dst); + ADD_ARG (argv, i, path_buf); + ADD_ARG (argv, i, NULL); + + r = commandv (&out, &err, argv); + if (r == -1) { + reply_with_error ("%s: %s", path, err); + return -1; + } + + return 0; +} diff --git a/generator/actions.ml b/generator/actions.ml index bb03112..11ade18 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12216,6 +12216,25 @@ usages." }; Add qgroup C<src> to parent qgroup C<dst>. This command can group several qgroups into a parent qgroup to share common limit." }; + { defaults with + name = "btrfs_qgroup_remove"; + style = RErr, [String "src"; String "dst"; Pathname "path"], []; + proc_nr = Some 434; + optional = Some "btrfs"; camel_name = "BTRFSQgroupRemove"; + tests = [ + InitPartition, Always, TestRun ( + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""]; + ["mount"; "/dev/sda1"; "/"]; + ["btrfs_quota_enable"; "/"; "true"]; + ["btrfs_qgroup_create"; "0/1000"; "/"]; + ["btrfs_qgroup_create"; "1/1000"; "/"]; + ["btrfs_qgroup_assign"; "0/1000"; "1/1000"; "/"]; + ["btrfs_qgroup_remove"; "0/1000"; "1/1000"; "/"]]), []; + ]; + shortdesc = "remove a qgroup from its parent qgroup"; + longdesc = "\ +Remove qgroup C<src> from the parent qgroup C<dst>." }; + ] (* Non-API meta-commands available only in guestfish. diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR index 21fbd2e..e828e5d 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -433 +434 -- 1.9.3