Reorder the flags field in struct btrfs_header and record a flag on writeout

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This allows detection of blocks that have already been written in the
running transaction so they can be recowed instead of modified again.
It is step one in trusting the transid field of the block pointers.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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This commit is contained in:

Chris Mason 2008-04-01 11:21:32 -04:00

parent 2d2ae54797

commit 63b10fc487

3 changed files with 42 additions and 9 deletions

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10

fs/btrfs/ctree.c

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28

fs/btrfs/ctree.h

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13

fs/btrfs/disk-io.c

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