tree 1f4c316c9d3cad0eb6d9be14cb0e67e46e815dce
parent 925baeddc5b0764a53f2214a1253251bab0e0324
author Chris Mason <chris.mason@oracle.com> 1214424090 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355043 -0400

Btrfs: Replace the big fs_mutex with a collection of other locks

Extent alloctions are still protected by a large alloc_mutex.
Objectid allocations are covered by a objectid mutex
Other btree operations are protected by a lock on individual btree nodes

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