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author | Nicholas D Steeves <nsteeves@gmail.com> | 2016-04-23 00:41:30 +0100 |
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committer | Nicholas D Steeves <nsteeves@gmail.com> | 2016-04-23 00:41:30 +0100 |
commit | cec572daccafa1e912cbed363df6f84687778c6f (patch) | |
tree | 7d99ab9f73d25c1ed8eaf6393f6374edf5316b03 /Documentation/btrfs-check.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-check.asciidoc')
-rw-r--r-- | Documentation/btrfs-check.asciidoc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Documentation/btrfs-check.asciidoc b/Documentation/btrfs-check.asciidoc new file mode 100644 index 00000000..327a45d6 --- /dev/null +++ b/Documentation/btrfs-check.asciidoc @@ -0,0 +1,60 @@ +btrfs-check(8) +============== + +NAME +---- +btrfs-check - check or repair an unmounted btrfs filesystem + +SYNOPSIS +-------- +*btrfs check* [options] <device> + +DESCRIPTION +----------- +*btrfs check* is used to check or repair an unmounted btrfs filesystem. + +NOTE: Since btrfs is under development, the *btrfs check* capabilities are +continuously enhanced. It's highly recommended to read the following btrfs +wiki before executing *btrfs check* with '--repair' option: + +https://btrfs.wiki.kernel.org/index.php/Btrfsck + +*btrfsck* is an alias of *btrfs check* command and is now deprecated. + +OPTIONS +------- +-s|--super <superblock>:: +use <superblock>th superblock copy, valid values are 0 up to 2 if the +respective superblock offset is within the filesystem +--repair:: +try to repair the filesystem +--init-csum-tree:: +create a new CRC tree and recalculate all checksums +--init-extent-tree:: +create a new extent tree +--check-data-csum:: +verify checksums of data blocks +-p|--progress:: +indicate progress at various checking phases +--qgroup-report:: +verify qgroup accounting and compare against filesystem accounting +--subvol-extents <subvolid>:: +show extent state for a subvolume +--tree-root <bytenr>:: +use the given bytenr for the tree root + +EXIT STATUS +----------- +*btrfs check* returns a zero exit status if it succeeds. Non zero is +returned in case of failure. + +AVAILABILITY +------------ +*btrfs* is part of btrfs-progs. +Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for +further details. + +SEE ALSO +-------- +`mkfs.btrfs`(8), +`btrfs-scrub`(8), +`btrfs-rescue`(8) |