Btrfs: Move snapshot creation to commit time

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It is very difficult to create a consistent snapshot of the btree when
other writers may update the btree before the commit is done.

This changes the snapshot creation to happen during the commit, while
no other updates are possible.

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

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This commit is contained in:

Chris Mason 2008-01-08 15:46:30 -05:00

parent dc17ff8f11

commit 3063d29f2a

3 changed files with 100 additions and 67 deletions

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79

fs/btrfs/inode.c

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81

fs/btrfs/transaction.c

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7

fs/btrfs/transaction.h

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