[Libguestfs] [PATCH 07/16] New API: btrfs_balance_resume

Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 32 ++++++++++++++++++++++++++++++++ generator/actions.ml | 9 +++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 42 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index 1053b98..cdf3982 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -1502,3 +1502,35 @@ do_btrfs_balance_cancel (const char *path) return 0; } + +int +do_btrfs_balance_resume (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, "balance"); + ADD_ARG (argv, i, "resume"); + 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 17dbd78..df083a1 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12308,6 +12308,15 @@ Pause a running balance on a btrfs filesystem." }; longdesc = "\ Cancel a running balance on a btrfs filesystem." }; +{ defaults with + name = "btrfs_balance_resume"; + style = RErr, [Pathname "path"], []; + proc_nr = Some 440; + optional = Some "btrfs"; camel_name = "BTRFSBalanceResume"; + test_excuse = "test disk isn't large enough that btrfs_balance completes before we can pause and resume it"; + shortdesc = "resume a paused balance"; + longdesc = "\ +Resume a 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 99dea3b..534a21e 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -439 +440 -- 2.1.0