Add mount point output for 'btrfs fi df'. Also since the patch uses find_mount_root() to find mount point, now 'btrfs fi df' can output more meaningful error message when given a non-btrfs path.
Signed-off-by: Qu Wenruo <[email protected]> --- This patch needs to be merged after the following path: btrfs-progs: Check fstype in find_mount_root() --- cmds-filesystem.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/cmds-filesystem.c b/cmds-filesystem.c index 4b2d27e..d571765 100644 --- a/cmds-filesystem.c +++ b/cmds-filesystem.c @@ -187,12 +187,22 @@ static int cmd_filesystem_df(int argc, char **argv) int ret; int fd; char *path; + char *mount_point = NULL; DIR *dirstream = NULL; if (check_argc_exact(argc, 2)) usage(cmd_filesystem_df_usage); path = argv[1]; + ret = find_mount_root(path, &mount_point); + if (ret < 0) { + if (ret != -ENOENT) + fprintf(stderr, "ERROR: Failed to find mount root for path %s: %s\n", + path, strerror(-ret)); + return 1; + } + printf("Mounted on: %s\n", mount_point); + free(mount_point); fd = open_file_or_dir(path, &dirstream); if (fd < 0) { -- 2.0.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
