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authoralc <alc@FreeBSD.org>2003-09-06 21:02:10 +0000
committeralc <alc@FreeBSD.org>2003-09-06 21:02:10 +0000
commit0c9dc7eaa4a3e6208dfe611210adb4dbcc7b3038 (patch)
treee1b0f743929614728e967cd4381dc9b1afb37836 /sys
parent1abfd7c90067d19af0dd252201a35e2eab5fc2bd (diff)
downloadFreeBSD-src-0c9dc7eaa4a3e6208dfe611210adb4dbcc7b3038.zip
FreeBSD-src-0c9dc7eaa4a3e6208dfe611210adb4dbcc7b3038.tar.gz
Giant is no longer required by pipe_destroy_write_buffer(). Reduce
unnecessary white space from pipe_destroy_write_buffer().
Diffstat (limited to 'sys')
-rw-r--r--sys/kern/sys_pipe.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index e003d5e..50ea163 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -743,9 +743,7 @@ pipe_destroy_write_buffer(wpipe)
{
int i;
- GIANT_REQUIRED;
PIPE_LOCK_ASSERT(wpipe, MA_NOTOWNED);
-
if (wpipe->pipe_map.kva) {
pmap_qremove(wpipe->pipe_map.kva, wpipe->pipe_map.npages);
@@ -754,7 +752,7 @@ pipe_destroy_write_buffer(wpipe)
vm_offset_t kva = wpipe->pipe_map.kva;
wpipe->pipe_map.kva = 0;
kmem_free(kernel_map, kva,
- wpipe->pipe_buffer.size + PAGE_SIZE);
+ wpipe->pipe_buffer.size + PAGE_SIZE);
atomic_subtract_int(&amountpipekvawired,
wpipe->pipe_buffer.size + PAGE_SIZE);
}
@@ -788,11 +786,11 @@ pipe_clone_write_buffer(wpipe)
wpipe->pipe_buffer.cnt = size;
wpipe->pipe_state &= ~PIPE_DIRECTW;
- PIPE_GET_GIANT(wpipe);
+ PIPE_UNLOCK(wpipe);
bcopy((caddr_t) wpipe->pipe_map.kva + pos,
wpipe->pipe_buffer.buffer, size);
pipe_destroy_write_buffer(wpipe);
- PIPE_DROP_GIANT(wpipe);
+ PIPE_LOCK(wpipe);
}
/*
@@ -861,9 +859,9 @@ retry:
while (!error && (wpipe->pipe_state & PIPE_DIRECTW)) {
if (wpipe->pipe_state & PIPE_EOF) {
pipelock(wpipe, 0);
- PIPE_GET_GIANT(wpipe);
+ PIPE_UNLOCK(wpipe);
pipe_destroy_write_buffer(wpipe);
- PIPE_DROP_GIANT(wpipe);
+ PIPE_LOCK(wpipe);
pipeselwakeup(wpipe);
pipeunlock(wpipe);
error = EPIPE;
@@ -886,9 +884,9 @@ retry:
*/
pipe_clone_write_buffer(wpipe);
} else {
- PIPE_GET_GIANT(wpipe);
+ PIPE_UNLOCK(wpipe);
pipe_destroy_write_buffer(wpipe);
- PIPE_DROP_GIANT(wpipe);
+ PIPE_LOCK(wpipe);
}
pipeunlock(wpipe);
return (error);
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