f2fs: preallocate blocks for buffered aio writes

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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>

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Jaegeuk Kim 2016-02-03 13:49:44 -08:00

parent b439b103a6

commit 24b8491251

3 changed files with 32 additions and 8 deletions

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include/linux/f2fs_fs.h

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