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(parent: 45d12e9) | patch
ext4: fix race in ext4_mb_add_n_trim()
authorNiu Yawei <yawei.niu@gmail.com>
Sat, 2 Feb 2013 02:31:27 +0000 (21:31 -0500)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 6 Mar 2013 03:23:47 +0000 (03:23 +0000)
commitd812e4d8b480c8ddd4096c60ff8a18726ddae8a6
treec01a127864455c66d42753f84c75fe33918d4698tree | snapshot
parent45d12e995b298e90420f0f9172c972279a3ebceecommit | diff
ext4: fix race in ext4_mb_add_n_trim()

commit f1167009711032b0d747ec89a632a626c901a1ad upstream.

In ext4_mb_add_n_trim(), lg_prealloc_lock should be taken when
changing the lg_prealloc_list.

Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
fs/ext4/mballoc.c diff | blob | history
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