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dlm: Change rwlock which is only used in write mode to a spinlock

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The ls_dirtbl[].lock was an rwlock, but since it was only used in write
mode a spinlock will suffice.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Steven Whitehouse
2009-01-16 16:21:12 +00:00
committed by David Teigland
parent 152a649b64
commit 305a47b17c
3 changed files with 11 additions and 11 deletions
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2
fs/dlm/lockspace.c
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@@ -487,7 +487,7 @@ static int new_lockspace(char *name, int namelen, void **lockspace,
goto out_lkbfree;
for (i = 0; i < size; i++) {
INIT_LIST_HEAD(&ls->ls_dirtbl[i].list);
rwlock_init(&ls->ls_dirtbl[i].lock);
spin_lock_init(&ls->ls_dirtbl[i].lock);
}
INIT_LIST_HEAD(&ls->ls_waiters);