linux-imx

f2fs: persist system.advise into on-disk inode

This patch fixes to dirty inode for persisting i_advise of f2fs inode info into
on-disk inode if user sets system.advise through setxattr. Otherwise the new
value will be lost.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>