From 8bf2f988bb98aad135741bf4265138f01fe4d423 Mon Sep 17 00:00:00 2001 From: Gui Hecheng Date: Wed, 21 May 2014 16:03:57 +0800 Subject: [PATCH] btrfs-progs: clarify manpage for btrfstune seeding option The btrfstune -S option accepts a positive value to enable seeding, and a zero to disable seeding, negtive is not allowed. Add "positive, zero, negative" sentences to btrfstune manpage. Signed-off-by: Gui Hecheng Signed-off-by: David Sterba --- Documentation/btrfstune.txt | 5 +++-- btrfstune.c | 4 ++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/Documentation/btrfstune.txt b/Documentation/btrfstune.txt index 1309fb6..bf44bdf 100644 --- a/Documentation/btrfstune.txt +++ b/Documentation/btrfstune.txt @@ -17,8 +17,9 @@ enable/disable some extended features for btrfs. OPTIONS ------- -S :: -Updates the seeding value, it forces a fs readonly so that you can use it to -build other filesystems. +Updates the seeding value. +A positive value will enable seeding, zero will disable seeding, negtive is not allowed. +Enable seeding forces a fs readonly so that you can use it to build other filesystems. -r:: Enable extended inode refs. -x:: diff --git a/btrfstune.c b/btrfstune.c index 2c26fe9..3f2f0cd 100644 --- a/btrfstune.c +++ b/btrfstune.c @@ -100,9 +100,9 @@ static int enable_skinny_metadata(struct btrfs_root *root) static void print_usage(void) { fprintf(stderr, "usage: btrfstune [options] device\n"); - fprintf(stderr, "\t-S value\tenable/disable seeding\n"); + fprintf(stderr, "\t-S value\tpositive value will enable seeding, zero to disable, negative is not allowed\n"); fprintf(stderr, "\t-r \t\tenable extended inode refs\n"); - fprintf(stderr, "\t-x enable skinny metadata extent refs\n"); + fprintf(stderr, "\t-x \t\tenable skinny metadata extent refs\n"); } int main(int argc, char *argv[]) -- 2.7.4