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| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2014-04-02 16:29:32 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2014-04-22 14:15:23 +0200 |
| commit | 3d1aeaf1ab322b86b1c4aa2d2dbeedde75798a08 (patch) | |
| tree | d16a507c77566c9c6a3e85074d4b8c05cff565b9 /Documentation/btrfs-map-logical.txt | |
| parent | f1d84c881acf1c2ceb8fc16df95df6e03b220ba6 (diff) | |
btrfs-progs: Convert man page for btrfs-map-logical.
Convert man page for btrfs-map-logical.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'Documentation/btrfs-map-logical.txt')
| -rw-r--r-- | Documentation/btrfs-map-logical.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/btrfs-map-logical.txt b/Documentation/btrfs-map-logical.txt new file mode 100644 index 00000000..2a93fb05 --- /dev/null +++ b/Documentation/btrfs-map-logical.txt @@ -0,0 +1,49 @@ +btrfs-map-logical(8) +==================== + +NAME +---- +btrfs-map-logical - map btrfs logical extent to physical extent + +SYNOPSIS +-------- +'btrfs-map-logical' <options> <device> + +DESCRIPTION +----------- +'btrfs-map-logical' can be used to find out what the physical offsets are +on the mirrors, the result is dumped into stdout in default. + +Mainly used for debug purpose. + +OPTIONS +------- +-l|--logical <logical_num>:: +Logical extent to map. +-c|--copy <copy>:: +Copy of the extent to read(usually 1 or 2). +-o|--output <filename>:: +Output file to hold the extent. +-b|--bytes <bytes>:: +Number of bytes to read. + +EXIT STATUS +----------- +'btrfs-map-logical' will return 0 if no error happened. +If any problems happened, 1 will be returned. + +AUTHOR +------ +Written by Shilong Wang and Wenruo Qu. + +COPYRIGHT +--------- +Copyright (C) 2013 FUJITSU LIMITED. + +License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>. + +This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. + +SEE ALSO +-------- +`mkfs.btrfs`(8) |