[Libguestfs] [PATCH 1/5] New API: btrfs_scrub

Hu Tao
Fri, 26 Dec 2014 08:17:45 -0000

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
---
 daemon/btrfs.c       | 32 ++++++++++++++++++++++++++++++++
 generator/actions.ml | 17 +++++++++++++++++
 src/MAX_PROC_NR      |  2 +-
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index 150c089..79de539 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -1343,3 +1343,35 @@ do_btrfs_qgroup_remove (const char *src, const char *dst,
const char *path)

   return 0;
 }
+
+int
+do_btrfs_scrub (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, "scrub");
+  ADD_ARG (argv, i, "start");
+  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 a6a6dad..b44ce1c 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12250,6 +12250,23 @@ several qgroups into a parent qgroup to share common
limit." };
     longdesc = "\
 Remove qgroup C<src> from the parent qgroup C<dst>." };

+  { defaults with
+    name = "btrfs_scrub";
+    style = RErr, [Pathname "path"], [];
+    proc_nr = Some 435;
+    optional = Some "btrfs"; camel_name = "BTRFSScrub";
+    tests = [
+      InitPartition, Always, TestRun (
+        [["mkfs_btrfs"; "/dev/sda1"; "";
""; "NOARG"; ""; "NOARG";
"NOARG"; ""; ""];
+         ["mount"; "/dev/sda1"; "/"];
+         ["btrfs_scrub"; "/"]]), [];
+    ];
+    shortdesc = "read all data from all disks and verify checksums";
+    longdesc = "\
+Reads all the data and metadata on the filesystem, and uses checksums
+and the duplicate copies from RAID storage to identify and repair any
+corrupt data." };
+
 ]

 (* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index e828e5d..5910394 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-434
+435
--
2.2.1