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| H A D | inode.c | diff 13a79a4741d37fda2fbafb953f0f301dc007928f Tue Dec 13 20:51:55 CST 2011 Yongqiang Yang <xiaoqiangnk@gmail.com> ext4: avoid potential hang in mpage_submit_io() when blocksize < pagesize
If there is an unwritten but clean buffer in a page and there is a
dirty buffer after the buffer, then mpage_submit_io does not write the
dirty buffer out. As a result, da_writepages loops forever.
This patch fixes the problem by checking dirty flag.
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
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