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(parent: 95fda60) | patch
ext4: fix mmap data corruption when blocksize < pagesize
authorJan Kara <jack@suse.cz>
Thu, 2 Oct 2014 01:49:46 +0000 (21:49 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 14 Nov 2014 16:59:58 +0000 (08:59 -0800)
commit78cee20d970646bda1071ae43de5db29267d8e45
tree83f36f124209eedcb260ee589a096ebdeb458c9btree | snapshot
parent95fda6045c22eb6c682b89a15b37d2f2e789caeecommit | diff
ext4: fix mmap data corruption when blocksize < pagesize

commit d6320cbfc92910a3e5f10c42d98c231c98db4f60 upstream.

Use truncate_isize_extended() when hole is being created in a file so that
->page_mkwrite() will get called for the partial tail page if it is
mmaped (see the first patch in the series for details).

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/ext4/inode.c diff | blob | history
Domain: SDK / Emulator;