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

Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- 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