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(parent: 050d45a) | 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)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 2 Oct 2014 01:49:46 +0000 (21:49 -0400)
commit45ca6c8108fb94c635f4b9b34343008e803da45e
treecbb8eeb01f8974e14b0342e5fdcbabf099a3b304tree | snapshot
parent050d45a57a33974d46cfe6a151e3031f92fec931commit | diff
ext4: fix mmap data corruption when blocksize < pagesize

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>
Cc: stable@vger.kernel.org
fs/ext4/inode.c diff | blob | history
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