btrfs-progs: subvol: group options in help

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/cmds-subvolume.c b/cmds-subvolume.c
index 69c5038..e7caa05 100644 (file)
--- a/cmds-subvolume.c
+++ b/cmds-subvolume.c
@@ -439,24 +439,32 @@ keep_fd:
  * - lowercase for enabling specific items in the output
  */
 static const char * const cmd_subvol_list_usage[] = {
-       "btrfs subvolume list [options] [-G [+|-]value] [-C [+|-]value] "
-       "[--sort=gen,ogen,rootid,path] <path>",
-       "List subvolumes (and snapshots)",
+       "btrfs subvolume list [options] <path>",
+       "List subvolumes and snapshots in the filesystem.",
        "",
-       "-p           print parent ID",
+       "Path filtering:",
+       "-o           print only subvolumes below specified path",
        "-a           print all the subvolumes in the filesystem and",
        "             distinguish absolute and relative path with respect",
        "             to the given <path>",
+       "",
+       "Field selection:",
+       "-p           print parent ID",
        "-c           print the ogeneration of the subvolume",
        "-g           print the generation of the subvolume",
-       "-o           print only subvolumes below specified path",
        "-u           print the uuid of subvolumes (and snapshots)",
        "-q           print the parent uuid of the snapshots",
        "-R           print the uuid of the received snapshots",
-       "-t           print the result as a table",
-       "-s           list snapshots only in the filesystem",
+       "",
+       "Type filtering:",
+       "-s           list only snapshots",
        "-r           list readonly subvolumes (including snapshots)",
        "-d           list deleted subvolumes that are not yet cleaned",
+       "",
+       "Other:",
+       "-t           print the result as a table",
+       "",
+       "Sorting:",
        "-G [+|-]value",
        "             filter the subvolumes by generation",
        "             (+value: >= value; -value: <= value; value: = value)",