[Libguestfs] [PATCH 08/16] New API: btrfs_balance_status
Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com>
---
daemon/btrfs.c | 32 ++++++++++++++++++++++++++++++++
generator/actions.ml | 11 +++++++++++
src/MAX_PROC_NR | 2 +-
3 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index cdf3982..09ee7dd 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -1534,3 +1534,35 @@ do_btrfs_balance_resume (const char *path)
return 0;
}
+
+char *
+do_btrfs_balance_status (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;
+ char *out;
+ int r;
+
+ path_buf = sysroot_path (path);
+ if (path_buf == NULL) {
+ reply_with_perror ("malloc");
+ return NULL;
+ }
+
+ ADD_ARG (argv, i, str_btrfs);
+ ADD_ARG (argv, i, "balance");
+ ADD_ARG (argv, i, "status");
+ 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 NULL;
+ }
+
+ return out;
+}
diff --git a/generator/actions.ml b/generator/actions.ml
index df083a1..c777720 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12317,6 +12317,17 @@ Cancel a running balance on a btrfs filesystem." };
shortdesc = "resume a paused balance";
longdesc = "\
Resume a paused balance on a btrfs filesystem." };
+
+{ defaults with
+ name = "btrfs_balance_status";
+ style = RString "status", [Pathname "path"], [];
+ proc_nr = Some 441;
+ optional = Some "btrfs"; camel_name = "BTRFSBalanceStatus";
+ test_excuse = "test disk isn't large enough that btrfs_balance completes
before we can get its status";
+ shortdesc = "show the status of a running or paused balance";
+ longdesc = "\
+Show the status of a running or paused balance on a btrfs filesystem." };
+
]
(* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index 534a21e..54bb288 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-440
+441
--
2.1.0