[Libguestfs] [PATCH 3/8] New API: btrfs_quota_enable

btrfs_quota_enable enables quota for subvolumes. Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 31 +++++++++++++++++++++++++++++++ generator/actions.ml | 9 +++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 41 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index 2cfb364..31dd806 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -995,3 +995,34 @@ char **do_btrfs_subvolume_show (const char *subvolume) return ret.argv; } + +int do_btrfs_quota_enable (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, "quota"); + ADD_ARG (argv, i, "enable"); + 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 d5ec528..3af8380 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12045,6 +12045,15 @@ Get the default subvolume or snapshot of a filesystem mounted at C<mountpoint>." longdesc = "\ Return detailed information of the subvolume." }; + { defaults with + name = "btrfs_quota_enable"; + style = RErr, [Pathname "path"], []; + proc_nr = Some 427; + optional = Some "btrfs"; camel_name = "BTRFSQuotaEnable"; + shortdesc = "enable subvolume quota support"; + longdesc = "\ +Enable subvolume quota support for filesystem which contains C<path>." }; + ] (* Non-API meta-commands available only in guestfish. diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR index 9f51d08..d2a1e59 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -426 +427 -- 1.9.3