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(parent: 44fc48f) | patch
ext4: Take page lock before looking at attached buffer_heads flags
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Thu, 10 Sep 2009 02:36:03 +0000 (22:36 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 10 Sep 2009 02:36:03 +0000 (22:36 -0400)
commita827eaffff07c7d58a4cb32158cbeb4849f4e33a
tree6167caf1619f0d9555fd67a2facbf2351a0a7905tree | snapshot
parent44fc48f7048ab9657b524938a832fec4e0acea98commit | diff
ext4: Take page lock before looking at attached buffer_heads flags

In order to check whether the buffer_heads are mapped we need to hold
page lock. Otherwise a reclaim can cleanup the attached buffer_heads.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/inode.c diff | blob | history
https://github.com/torvalds/linux.git