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Btrfs: dummy extent buffers for tree mod log
authorJan Schmidt <list.btrfs@jan-o-sch.net>
Wed, 16 May 2012 15:00:02 +0000 (17:00 +0200)
committerJan Schmidt <list.btrfs@jan-o-sch.net>
Sat, 26 May 2012 10:17:54 +0000 (12:17 +0200)
commit815a51c74ad14864d0a8fff5eea983819c18feae
treebe0835a915143fe9fa63a1c6f2a40dbfdc0c8646tree | snapshot
parent64947ec0d16dd20d6542b58cf82c8d5f9678cabfcommit | diff
Btrfs: dummy extent buffers for tree mod log

The tree modification log needs two ways to create dummy extent buffers,
once by allocating a fresh one (to rebuild an old root) and once by
cloning an existing one (to make private rewind modifications) to it.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
fs/btrfs/extent_io.c diff | blob | history
fs/btrfs/extent_io.h diff | blob | history
Domain: System / Kernel;