Btrfs: Optimize tree log block allocations
authorChris Mason <chris.mason@oracle.com>
Thu, 11 Sep 2008 19:54:42 +0000 (15:54 -0400)
committerChris Mason <chris.mason@oracle.com>
Thu, 25 Sep 2008 15:04:07 +0000 (11:04 -0400)
commitd00aff00139b40f2e9c60299d76aac29d72e48ba
tree3ef3d84c42dc809cd92ab6339abd968fdede357d
parent3a5f1d458ad1610a06e38f0be2fbc6ac215439c0
Btrfs: Optimize tree log block allocations

Since tree log blocks get freed every transaction, they never really
need to be written to disk.  This skips the step where we update
metadata to record they were allocated.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/disk-io.c
fs/btrfs/extent-tree.c
fs/btrfs/tree-log.c