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authorDavid Howells <dhowells@redhat.com>2024-12-13 16:50:07 +0300
committerChristian Brauner <brauner@kernel.org>2024-12-21 00:07:57 +0300
commitaa3956418985bda1f68313eadde3267921847978 (patch)
tree62176c015bdd64d9e60aff8f4862053752dcdfa6 /tools/perf/scripts/python/task-analyzer.py
parentf4d3cde410cc62b5483f59f0f3454a5c5203a2cb (diff)
downloadlinux-aa3956418985bda1f68313eadde3267921847978.tar.xz
netfs: Fix missing barriers by using clear_and_wake_up_bit()
Use clear_and_wake_up_bit() rather than something like: clear_bit_unlock(NETFS_RREQ_IN_PROGRESS, &rreq->flags); wake_up_bit(&rreq->flags, NETFS_RREQ_IN_PROGRESS); as there needs to be a barrier inserted between which is present in clear_and_wake_up_bit(). Fixes: 288ace2f57c9 ("netfs: New writeback implementation") Fixes: ee4cdf7ba857 ("netfs: Speed up buffered reading") Signed-off-by: David Howells <dhowells@redhat.com> Link: https://lore.kernel.org/r/20241213135013.2964079-8-dhowells@redhat.com Reviewed-by: Akira Yokosawa <akiyks@gmail.com> cc: Zilin Guan <zilin@seu.edu.cn> cc: Akira Yokosawa <akiyks@gmail.com> cc: Jeff Layton <jlayton@kernel.org> cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
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