[Libguestfs] [PATCH 15/16] New API: btrfs_inspect_inode_resolve
Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com>
---
daemon/btrfs.c | 41 +++++++++++++++++++++++++++++++++++++++++
generator/actions.ml | 15 +++++++++++++++
src/MAX_PROC_NR | 2 +-
3 files changed, 57 insertions(+), 1 deletion(-)
diff --git a/daemon/btrfs.c b/daemon/btrfs.c
index 4a6871c..7f06c74 100644
--- a/daemon/btrfs.c
+++ b/daemon/btrfs.c
@@ -1778,3 +1778,44 @@ do_btrfs_inspect_subvolid_resolve (int64_t id, const char *fs)
return out;
}
+
+char *
+do_btrfs_inspect_inode_resolve (int64_t inode, const char *fs)
+{
+ const size_t MAX_ARGS = 64;
+ const char *argv[MAX_ARGS];
+ size_t i = 0;
+ CLEANUP_FREE char *fs_buf = NULL;
+ CLEANUP_FREE char *err = NULL;
+ char *out;
+ size_t len;
+ int r;
+ char inode_str[32];
+
+ fs_buf = sysroot_path (fs);
+ if (fs_buf == NULL) {
+ reply_with_perror ("malloc");
+ return NULL;
+ }
+
+ ADD_ARG (argv, i, str_btrfs);
+ ADD_ARG (argv, i, "inspect");
+ ADD_ARG (argv, i, "inode-resolve");
+ snprintf (inode_str, sizeof inode_str, "%" PRIi64, inode);
+ ADD_ARG (argv, i, inode_str);
+ ADD_ARG (argv, i, fs_buf);
+ ADD_ARG (argv, i, NULL);
+
+ r = commandv (&out, &err, argv);
+ if (r == -1) {
+ reply_with_error ("%s: %s", fs, err);
+ return NULL;
+ }
+
+ /* Trim trailing '\n' */
+ len = strlen (out);
+ if (len > 0 && out[len-1] == '\n')
+ out[len-1] = '\0';
+
+ return out;
+}
diff --git a/generator/actions.ml b/generator/actions.ml
index 56071cc..a194f01 100644
--- a/generator/actions.ml
+++ b/generator/actions.ml
@@ -12423,6 +12423,21 @@ Get tree ID of the containing subvolume of path." };
longdesc = "\
Get path on a btrfs filesystem for the given subvolume ID." };
+ { defaults with
+ name = "btrfs_inspect_inode_resolve";
+ style = RString "path", [Int64 "inode"; Pathname "fs"],
[];
+ proc_nr = Some 448;
+ optional = Some "btrfs"; camel_name =
"BTRFSInspectInodeResolve";
+ tests = [
+ InitPartition, Always, TestRun (
+ [["mkfs_btrfs"; "/dev/sda1"; ""; "";
"NOARG"; ""; "NOARG"; "NOARG"; "";
""];
+ ["mount"; "/dev/sda1"; "/"];
+ ["btrfs_inspect_inode_resolve"; "256"; "/"]]),
[];
+ ];
+ shortdesc = "get path for the given inode";
+ longdesc = "\
+Get path on a btrfs filesystem for the given inode." };
+
]
(* Non-API meta-commands available only in guestfish.
diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR
index e9b7520..5379c47 100644
--- a/src/MAX_PROC_NR
+++ b/src/MAX_PROC_NR
@@ -1 +1 @@
-447
+448
--
2.1.0