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| author | Nicholas D Steeves <nsteeves@gmail.com> | 2016-04-23 00:41:30 +0100 |
|---|---|---|
| committer | Nicholas D Steeves <nsteeves@gmail.com> | 2016-04-23 00:41:30 +0100 |
| commit | cec572daccafa1e912cbed363df6f84687778c6f (patch) | |
| tree | 7d99ab9f73d25c1ed8eaf6393f6374edf5316b03 /Documentation/btrfs-map-logical.asciidoc | |
btrfs-progs (4.4.1-1.1) unstable; urgency=medium
* Non-maintainer upload.
* New upstream release.
* Rename package to btrfs-progs (Closes: #780081)
* Update standards version to 3.9.7 (no changes needed).
* debian/control: Add "Breaks" per Gianfranco Costamagna's suggestion
* Change lintian override to reflect package rename
* Switch from using postinst and postrm to using triggers
per Christian Seiler's recommendation.
# imported from the archive
Diffstat (limited to 'Documentation/btrfs-map-logical.asciidoc')
| -rw-r--r-- | Documentation/btrfs-map-logical.asciidoc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/btrfs-map-logical.asciidoc b/Documentation/btrfs-map-logical.asciidoc new file mode 100644 index 00000000..a3d110cb --- /dev/null +++ b/Documentation/btrfs-map-logical.asciidoc @@ -0,0 +1,37 @@ +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. + +SEE ALSO +-------- +`mkfs.btrfs`(8) |