2013-08-14 04:29:15 +00:00
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.TH BTRFSTUNE 8
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.SH NAME
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btrfstune \- tune various filesystem parameters.
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.SH SYNOPSIS
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2013-12-10 11:16:31 +00:00
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.B btrfstune [\fIoptions\fP] \fI<device>\fP
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2013-08-14 04:29:15 +00:00
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.SH DESCRIPTION
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\fBbtrfstune\fP is used to tune various filesystem parameters,you can
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enable/disable some extended features for btrfs.
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\fIOptions\fP
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.IP "\fB-S \fI<value>\fP" 5
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updates the seeding value, it forces a fs readonly so that you can use it to build other filesystems.
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.IP "\fB-r\fP" 5
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enable extended inode refs.
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.IP "\fB-x\fP" 5
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enable skinny metadata extent refs.
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.SH EXIT CODE
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\fBbtrfstune\fP will return 0 if no error happened.
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If any problems happened, 1 will be returned.
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.SH AUTHOR
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Written by Shilong Wang and Wenruo Qu.
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.SH COPYRIGHT
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2014-02-25 07:42:29 +00:00
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Copyright \(co 2013 FUJITSU LIMITED.
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2013-08-14 04:29:15 +00:00
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License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
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.br
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This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
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.SH SEE ALSO
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.BR mkfs.btrfs (8)
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