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btrfs-progs: add info about list-all to the help 

mkfs.btrfs -O list-all is a good options to list features,
publish it in the help.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Anand Jain 2015-06-01 14:20:24 +08:00 committed by David Sterba
parent 123a2a0850
commit 0933ef5325
1 changed files with 1 additions and 1 deletions
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mkfs.c
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@ -281,7 +281,7 @@ static void print_usage(void)
fprintf(stderr, "\t-s|--sectorsize SIZE min block allocation (may not mountable by current kernel)\n");
fprintf(stderr, "\t-r|--rootdir DIR the source directory\n");
fprintf(stderr, "\t-K|--nodiscard do not perform whole device TRIM\n");
fprintf(stderr, "\t-O|--features LIST comma separated list of filesystem features\n");
fprintf(stderr, "\t-O|--features LIST comma separated list of filesystem features, use '-O list-all' to list features\n");
fprintf(stderr, "\t-U|--uuid UUID specify the filesystem UUID\n");
fprintf(stderr, "\t-V|--version print the mkfs.btrfs version and exit\n");
fprintf(stderr, "%s\n", PACKAGE_STRING);