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Commit 7ba0273b authored by Ian Kent's avatar Ian Kent Committed by Greg Kroah-Hartman
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kernfs: switch kernfs to use an rwsem



The kernfs global lock restricts the ability to perform kernfs node
lookup operations in parallel during path walks.

Change the kernfs mutex to an rwsem so that, when opportunity arises,
node searches can be done in parallel with path walk lookups.

Reviewed-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
Signed-off-by: default avatarIan Kent <raven@themaw.net>
Link: https://lore.kernel.org/r/162642770946.63632.2218304587223241374.stgit@web.messagingengine.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c7e7c042
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