tree ffb8fc277cc2a649e6d98c6305083683e2dfee1b
parent b439b103a6c9eb3417f34b4a609d4e00b4c59aca
author Jaegeuk Kim <jaegeuk@kernel.org> 1454536184 -0800
committer Jaegeuk Kim <jaegeuk@kernel.org> 1456186043 -0800

f2fs: preallocate blocks for buffered aio writes

This patch preallocates data blocks for buffered aio writes.
With this patch, we can avoid redundant locking and unlocking of node pages
given consecutive aio request.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>