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authorNick Piggin <npiggin@suse.de>2008-07-25 19:45:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-26 12:00:06 -0700
commit19fd6231279be3c3bdd02ed99f9b0eb195978064 (patch)
treeee09121054262d73c551b57114acd855b82a7a82 /fs/inode.c
parenta60637c85893e7191faaafa6a72e197c24386727 (diff)
downloadlinux-19fd6231279be3c3bdd02ed99f9b0eb195978064.tar.bz2
mm: spinlock tree_lock
mapping->tree_lock has no read lockers. convert the lock from an rwlock to a spinlock. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Hugh Dickins <hugh@veritas.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/inode.c')
-rw-r--r--fs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/inode.c b/fs/inode.c
index c36d9480335c..35b6414522ea 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -209,7 +209,7 @@ void inode_init_once(struct inode *inode)
INIT_LIST_HEAD(&inode->i_dentry);
INIT_LIST_HEAD(&inode->i_devices);
INIT_RADIX_TREE(&inode->i_data.page_tree, GFP_ATOMIC);
- rwlock_init(&inode->i_data.tree_lock);
+ spin_lock_init(&inode->i_data.tree_lock);
spin_lock_init(&inode->i_data.i_mmap_lock);
INIT_LIST_HEAD(&inode->i_data.private_list);
spin_lock_init(&inode->i_data.private_lock);