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(parent: 924b720) | patch
f2fs: merge read IOs at ra_nat_pages()
authorJaegeuk Kim <jaegeuk.kim@samsung.com>
Thu, 21 Nov 2013 04:54:23 +0000 (13:54 +0900)
committerJaegeuk Kim <jaegeuk.kim@samsung.com>
Mon, 23 Dec 2013 01:18:02 +0000 (10:18 +0900)
commit7107e0a9b131f46785b853388fb263306721a986
treefa3032b14ed9cf2e691e8051708b594939967f3ftree | snapshot
parent924b720b589f91311657216c97edbb3337449270commit | diff
f2fs: merge read IOs at ra_nat_pages()

Change log from v1:
  o add mark_page_accessed() not to reclaim the nat pages.

This patch changes the policy of submitting read bios at ra_nat_pages.

Previously, f2fs submits small read bios with block plugging.
But, with this patch, f2fs itself merges read bios first and then submits a
large bio, which can reduce the bio handling overheads.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
fs/f2fs/node.c diff | blob | history
Domain: System / Kernel;