diff options
author | Gui Hecheng <guihc.fnst@cn.fujitsu.com> | 2014-05-21 16:03:57 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.cz> | 2014-08-22 14:39:32 +0200 |
commit | 8bf2f988bb98aad135741bf4265138f01fe4d423 (patch) | |
tree | dafd60e6c629c696030f95f421d89b4a3850e1c7 | |
parent | 7165d9024df628593a6c6fe9fe50d02547105afc (diff) |
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 <guihc.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
-rw-r--r-- | Documentation/btrfstune.txt | 5 | ||||
-rw-r--r-- | btrfstune.c | 4 |
2 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/btrfstune.txt b/Documentation/btrfstune.txt index 1309fb6a..bf44bdf7 100644 --- a/Documentation/btrfstune.txt +++ b/Documentation/btrfstune.txt @@ -17,8 +17,9 @@ enable/disable some extended features for btrfs. OPTIONS ------- -S <value>:: -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 2c26fe9b..3f2f0cdc 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[]) |