]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 9d3d969) | patch
ext4: fix ext4_end_io_dio() racing against fsync()
authorTheodore Ts'o <tytso@mit.edu>
Mon, 12 Dec 2011 15:53:02 +0000 (10:53 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 12 Dec 2011 15:53:02 +0000 (10:53 -0500)
commitb6a12756a1903abfb3ce9ec04cf3b949d3a81e05
treeb8533e2cb3fc30da051487257cd24af6edeea83etree | snapshot
parent9d3d9693c310cac73ea2508aee9da01791113228commit | diff
ext4: fix ext4_end_io_dio() racing against fsync()

We need to make sure iocb->private is cleared *before* we put the
io_end structure on i_completed_io_list.  Otherwise fsync() could
potentially run on another CPU and free the iocb structure out from
under us.

Reported-by: Kent Overstreet <koverstreet@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
fs/ext4/inode.c diff | blob | history
Linux Kernel Source Tree.