IDR: Expose the XArray lock

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Allow users of the IDR to use the XArray lock for their own
synchronisation purposes.  The IDR continues to rely on the caller to
handle locking, but this lets the caller use the lock embedded in the
IDR data structure instead of allocating their own lock.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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willy@infradead.org 2018-06-13 11:45:55 -07:00 • committed by Jason Gunthorpe

parent 89af969a66

commit 3c60e868c3

1 changed files with 11 additions and 0 deletions

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include/linux/idr.h

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