From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Wed, 9 Sep 2015 09:16:39 +0000 (+0100)
Subject: fix ufs write vs readpage race when writing into a hole
X-Git-Tag: omap-for-v4.3/fixes-rc1~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd2843fe1f29f6145c623ae9390f144cefaa611d;p=pandora-kernel.git

fix ufs write vs readpage race when writing into a hole

Followup to the UFS series - with the way we clear the new blocks (via
buffer cache, possibly on more than a page worth of file) we really
should not insert a reference to new block into inode block tree until
after we'd cleared it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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