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ce635cef5b
Centralize locking of all chains of the tdb; rename _tdb_lockall to
tdb_allrecord_lock and _tdb_unlockall to tdb_allrecord_unlock, and
tdb_brlock_upgrade to tdb_allrecord_upgrade.
Then we use this in the transaction code. Unfortunately, if the transaction
code records that it has grabbed the allrecord lock read-only, write locks
will fail, so we treat this upgradable lock as a write lock, and mark it
as upgradable using the otherwise-unused offset field.
One subtlety: now the transaction code is using the allrecord_lock, the
tdb_release_extra_locks() function drops it for us, so we no longer need
to do it manually in _tdb_transaction_cancel.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from commit
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| common | ||
| config | ||
| doc | ||
| ib | ||
| include | ||
| lib | ||
| packaging | ||
| server | ||
| tcp | ||
| tests | ||
| tools | ||
| utils | ||
| web | ||
| .bzrignore | ||
| .gitignore | ||
| aclocal.m4 | ||
| autogen.sh | ||
| config.guess | ||
| config.mk | ||
| config.sub | ||
| configure.ac | ||
| configure.rpm | ||
| COPYING | ||
| ctdb.pc.in | ||
| install-sh | ||
| Makefile.in | ||