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(parent: 8fe5e8f) | 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 20:57:44 +0000 (12:57 -0800)
commit5da4b53abb4424f4b502a37425ffe4e46a7df5b5
treeecf73db8f5d03b80b8c01fe02df468f990543372tree | snapshot
parent8fe5e8ff93473129957c6d4a7df80046186b9c7bcommit | 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 | history
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