AcoSail/kernel_optimize_test
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orangefs_bufmap_..._query(): don't bother with refcounts

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... just hold the spinlock while fetching the field in question.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
This commit is contained in:
Al Viro 2016-02-13 11:16:37 -05:00 committed by Mike Marshall
parent 05b39a8b5c
commit 178041848a
1 changed files with 8 additions and 8 deletions
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16
fs/orangefs/orangefs-bufmap.c
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@ -91,11 +91,11 @@ int orangefs_bufmap_size_query(void)
{
struct orangefs_bufmap *bufmap;
int size = 0;
bufmap = orangefs_bufmap_ref();
if (bufmap) {
spin_lock(&orangefs_bufmap_lock);
bufmap = __orangefs_bufmap;
if (bufmap)
size = bufmap->desc_size;
orangefs_bufmap_unref(bufmap);
}
spin_unlock(&orangefs_bufmap_lock);
return size;
}
@ -103,11 +103,11 @@ int orangefs_bufmap_shift_query(void)
{
struct orangefs_bufmap *bufmap;
int shift = 0;
bufmap = orangefs_bufmap_ref();
if (bufmap) {
spin_lock(&orangefs_bufmap_lock);
bufmap = __orangefs_bufmap;
if (bufmap)
shift = bufmap->desc_shift;
orangefs_bufmap_unref(bufmap);
}
spin_unlock(&orangefs_bufmap_lock);
return shift;
}