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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-10-15 18:17:53 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-10-19 17:19:16 -0400
commit565277f63c616e11c37309a1e98c052d18ebbb55 (patch)
tree60fdddc5a1c97df696392e47ead71d33d39e487f /init/do_mounts.h
parent61e930a904966cc37e0a3404276f0b73037e57ca (diff)
NFS: Fix a race in sillyrename
lookup() and sillyrename() can race one another because the sillyrename() completion cannot take the parent directory's inode->i_mutex since the latter may be held by whoever is calling dput(). We therefore have little option but to add extra locking to ensure that nfs_lookup() and nfs_atomic_open() do not race with the sillyrename completion. If somebody has looked up the sillyrenamed file in the meantime, we just transfer the sillydelete information to the new dentry. Please refer to the bug-report at http://bugzilla.linux-nfs.org/show_bug.cgi?id=150 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'init/do_mounts.h')
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