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In the iov_iter struct, separate the iterator type from the iterator direction and use accessor functions to access them in most places. Convert a bunch of places to use switch-statements to access them rather then chains of bitwise-AND statements. This makes it easier to add further iterator types. Also, this can be more efficient as to implement a switch of small contiguous integers, the compiler can use ~50% fewer compare instructions than it has to use bitwise-and instructions. Further, cease passing the iterator type into the iterator setup function. The iterator function can set that itself. Only the direction is required. Signed-off-by: David Howells <dhowells@redhat.com> |
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.. | ||
heartbeat.c | ||
heartbeat.h | ||
Makefile | ||
masklog.c | ||
masklog.h | ||
netdebug.c | ||
nodemanager.c | ||
nodemanager.h | ||
ocfs2_heartbeat.h | ||
ocfs2_nodemanager.h | ||
quorum.c | ||
quorum.h | ||
sys.c | ||
sys.h | ||
tcp_internal.h | ||
tcp.c | ||
tcp.h |