From: Jaegeuk Kim Date: Tue, 12 Nov 2013 06:00:38 +0000 (+0900) Subject: f2fs: add a sysfs entry to control max_discards X-Git-Tag: v3.14-rc1~122^2~90 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ac8c3b051ed3a3e71df72a7ffc44e14cc5c2bae;p=pandora-kernel.git f2fs: add a sysfs entry to control max_discards If frequent small discards are issued to the device, the performance would be degraded significantly. So, this patch adds a sysfs entry to control the number of discards to be issued during a checkpoint procedure. By default, f2fs does not issue any small discards, which means max_discards is zero. Signed-off-by: Jaegeuk Kim --- Reading git-diff-tree failed