Btrfs: add missing read locks in backref.c

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iref_to_path and iterate_irefs both increment the eb's refcount to use it
after releasing the path. Both depend on consistent data remaining in the
extent buffer and need a read lock to protect it.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>

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Jan Schmidt 2012-04-13 12:28:08 +02:00 • committed by David Sterba

parent aefc1eb13e

commit b916a59adf

1 changed files with 15 additions and 2 deletions

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fs/btrfs/backref.c

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