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authorDavid Howells <dhowells@redhat.com>2019-09-24 16:07:45 +0100
committerDavid Howells <dhowells@redhat.com>2019-10-31 15:12:23 +0000
commitf94df9890e98f2090c6a8d70c795134863b70201 (patch)
treeb8af2f2af5a1368a200d26002d61c6c2e59b7c1c /fs/splice.c
parentce4dd4429b3c7e4506870796f3b8b06d707d2928 (diff)
Add wake_up_interruptible_sync_poll_locked()
Add a wakeup call for a case whereby the caller already has the waitqueue spinlock held. This can be used by pipes to alter the ring buffer indices and issue a wakeup under the same spinlock. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'fs/splice.c')
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