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(parent: 8afe1f6) | patch
ext4: handle EOF correctly in ext4_bio_write_page()
authorYongqiang Yang <xiaoqiangnk@gmail.com>
Wed, 14 Dec 2011 03:29:12 +0000 (22:29 -0500)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 21 Dec 2011 20:58:34 +0000 (12:58 -0800)
commit91bcbb691f0dfe96fe385ba174fc3966049733ae
tree319cb06cb70ed4941dcecb93897eaad6790bea4etree | snapshot
parent8afe1f656c3cb0eff4219e3a4a22b95579148ad6commit | diff
ext4: handle EOF correctly in ext4_bio_write_page()

commit 5a0dc7365c240795bf190766eba7a27600be3b3e upstream.

We need to zero out part of a page which beyond EOF before setting uptodate,
otherwise, mapread or write will see non-zero data beyond EOF.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fs/ext4/page-io.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git