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btrfs-progs: docs: document new mount option fragment

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Signed-off-by: David Sterba <dsterba@suse.com>
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David Sterba 2016-01-11 16:28:14 +01:00
parent 23c51533ae
commit 83a7413318
1 changed files with 8 additions and 0 deletions
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8
Documentation/btrfs-man5.asciidoc
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@ -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)