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authorYan, Zheng <zheng.yan@oracle.com>2010-05-16 10:48:47 -0400
committerChris Mason <chris.mason@oracle.com>2010-05-25 10:34:51 -0400
commit0ca1f7ceb1991099ed5273885ebcf4323948c72e (patch)
tree10758d6a55c529aced177da3f6bf45cf26361913 /fs/btrfs/transaction.c
parenta22285a6a32390195235171b89d157ed1a1fe932 (diff)
downloadlinux-0ca1f7ceb1991099ed5273885ebcf4323948c72e.tar.bz2
Btrfs: Update metadata reservation for delayed allocation
Introduce metadata reservation context for delayed allocation and update various related functions. This patch also introduces EXTENT_FIRST_DELALLOC control bit for set/clear_extent_bit. It tells set/clear_bit_hook whether they are processing the first extent_state with EXTENT_DELALLOC bit set. This change is important if set/clear_extent_bit involves multiple extent_state. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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