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(parent: 480c200) | patch
NFS: Detect loops in a readdir due to bad cookies
authorBryan Schumaker <bjschuma@netapp.com>
Wed, 23 Mar 2011 19:04:31 +0000 (15:04 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 23 Mar 2011 19:14:27 +0000 (15:14 -0400)
commit8ef2ce3e16d9bec6cf015207c1c82a5b864046ac
tree35441fd695c4f5215ab0061d8df26b4cfd9a44f5tree | snapshot
parent480c2006ebb44ae03165695db7b3e38c04e0d102commit | diff
NFS: Detect loops in a readdir due to bad cookies

Some filesystems (such as ext4) can return the same cookie value for
multiple files.  If we try to start a readdir with one of these cookies,
the server will return the first file found with a cookie of the same
value.  This can cause the client to enter an infinite loop.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/dir.c diff | blob | history
include/linux/nfs_fs.h diff | blob | history
Domain: System / Kernel;