From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Tue, 12 Nov 2013 07:55:17 +0000 (+0900)
Subject: f2fs: introduce f2fs_issue_discard() to clean up
X-Git-Tag: v3.14-rc1~122^2~89
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3720887910864467a61cd0d64bad3965009cdef8;p=pandora-kernel.git

f2fs: introduce f2fs_issue_discard() to clean up

Change log from v1:
 o fix 32bit drops reported by Dan Carpenter

This patch adds f2fs_issue_discard() to clean up blkdev_issue_discard() flows.

Dan carpenter reported:
"block_t is a 32 bit type and sector_t is a 64 bit type.  The upper 32
bits of the sector_t are not used because the shift will wrap."

Bug-Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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