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| author | David Sterba <dsterba@suse.com> | 2016-01-11 16:28:14 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-01-12 15:02:54 +0100 |
| commit | 83a7413318f22dbac86274cd2ae173ed350b04d3 (patch) | |
| tree | 9d0fa50622357dcde3d95a8de967c426c66176b2 /Documentation | |
| parent | 23c51533aec69bef815b5db9eb5ec6755913eb6d (diff) | |
btrfs-progs: docs: document new mount option fragment
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/btrfs-man5.asciidoc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/btrfs-man5.asciidoc b/Documentation/btrfs-man5.asciidoc index 2bb95767..d4323917 100644 --- a/Documentation/btrfs-man5.asciidoc +++ b/Documentation/btrfs-man5.asciidoc @@ -207,6 +207,14 @@ behavior only when a snapshot was created. + Disabling flushing may improve performance but is not crash-safe. +*fragment='type'*:: +(depends on compile-time option BTRFS_DEBUG, since: 4.4, default: off) ++ +A debugging helper to intentionally fragment given 'type' of block groups. The +type can be 'data', 'metadata' or 'all'. This mount option should not be used +outside of debugging environments and is not recognized if the kernel config +option 'BTRFS_DEBUG' is not enabled. + *inode_cache*:: *noinode_cache*:: (since: 3.0, default: off) |