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authorMarc Eshel <eshel@almaden.ibm.com>2006-12-05 23:48:10 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2007-05-06 20:38:50 -0400
commitf812048020282fdfa9b72a6cf539c33b6df1fd07 (patch)
treee4f281027da1f0e907e68b2e26ae5b773a967047 /lib/locking-selftest-spin-hardirq.h
parent5ea0d75037b93baa453b4d326c6319968fe91cea (diff)
lockd: always preallocate block in nlmsvc_lock()
Normally we could skip ever having to allocate a block in the case where the client asks for a non-blocking lock, or asks for a blocking lock that succeeds immediately. However we're going to want to always look up a block first in order to check whether we're revisiting a deferred lock call, and to be prepared to handle the case where the filesystem returns -EINPROGRESS--in that case we want to make sure the lock we've given the filesystem is the one embedded in the block that we'll use to track the deferred request. Signed-off-by: Marc Eshel <eshel@almaden.ibm.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'lib/locking-selftest-spin-hardirq.h')
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