| Rev | Line | |
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| [17848] | 1 | .TH BTRFSCTL 8 |
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| 2 | .SH NAME |
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| 3 | btrfsctl \- control a btrfs filesystem |
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| 4 | .SH SYNOPSIS |
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| 5 | .B btrfsctl |
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| 6 | [ \fB\-d\fP\fI file|directory \fP ] |
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| 7 | [ \fB\-s\fP\fI snapshot-name directory\fP ] |
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| 8 | [ \fB \-S\fP\fI subvolume-name directory\fP ] |
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| 9 | [ \fB \-r\fP\fI [+-]size\fP ] |
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| 10 | [ \fB \-A\fP\fI device\fP ] |
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| 11 | [ \fB \-a\fP ] |
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| 12 | [ \fB \-c\fP ] |
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| 13 | .SH DESCRIPTION |
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| 14 | .B btrfsctl |
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| 15 | is used to control the filesystem and the files and directories stored. It is the tool to create a new snapshot for the filesystem. |
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| 16 | .SH OPTIONS |
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| 17 | .TP |
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| 18 | \fB\-d\fR \fIfile|directory\fR |
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| 19 | Defragment a file or a directory. If the argument is a directory, the entire b-tree under the directory is defragged. |
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| 20 | .TP |
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| 21 | \fB\-s\fR \fIsnapshot-name directory\fR |
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| 22 | Creates a new \fIsnapshot\fP of the \fIdirectory\fP specified. |
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| 23 | .TP |
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| 24 | \fB\-S\fR \fIsubvolume-name directory\fR |
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| 25 | Creates a new subvolume. |
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| 26 | .TP |
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| 27 | \fB\-r\fR \fI[+|-]size\fR |
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| 28 | Resizes the filesystem with the \fIsize\fP specified. If the value is preceded with a signed symbol, the filesystem is resized with respect to the current filesystem size. \fIsize\fP can be suffixed by k,m or g to represent kilobytes, megabytes, or gigabytes respectively. |
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| 29 | .TP |
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| 30 | \fB\-A\fR \fIdevice\fR |
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| 31 | Scans the \fIdevice\fR for btrfs filesystem. |
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| 32 | .TP |
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| 33 | \fB\-a\fR |
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| 34 | Scans all devices present in the system for btrfs filesystem. |
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| 35 | .TP |
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| 36 | \fB\-c\fR |
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| 37 | Forces a filesystem sync. |
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| 38 | .SH AVAILABILITY |
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| 39 | .B btrfsctl |
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| 40 | is part of btrfs-progs. Btrfs is currently under heavy development, |
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| 41 | and not suitable for any uses other than benchmarking and review. |
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| 42 | Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for |
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| 43 | further details. |
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| 44 | .SH SEE ALSO |
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| 45 | .BR mkfs.btrfs (8) |
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