| commit | 91bcbb691f0dfe96fe385ba174fc3966049733ae | |
| author | Yongqiang Yang <xiaoqiangnk@gmail.com> | |
| Wed, 14 Dec 2011 03:29:12 +0000 (13 22:29 -0500) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Wed, 21 Dec 2011 20:58:34 +0000 (21 12:58 -0800) | ||
| tree | 319cb06cb70ed4941dcecb93897eaad6790bea4e | treesnapshot (tar.gz zip) |
| parent | 8afe1f656c3cb0eff4219e3a4a22b95579148ad6 | commitdiff |
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>
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 | diffblobblamehistory |