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authorNick Piggin <npiggin@kernel.dk>2011-01-07 09:50:06 +0300
committerNick Piggin <npiggin@kernel.dk>2011-01-07 09:50:31 +0300
commit873feea09ebc980cbd3631b767356ce1eee65ec1 (patch)
tree59a8fce9b138086abee7cf845f62ff70a390cf81 /include
parentceb5bdc2d246f6d81cf61ed70f325308a11821d2 (diff)
downloadlinux-873feea09ebc980cbd3631b767356ce1eee65ec1.tar.xz
fs: dcache per-inode inode alias locking
dcache_inode_lock can be replaced with per-inode locking. Use existing inode->i_lock for this. This is slightly non-trivial because we sometimes need to find the inode from the dentry, which requires d_inode to be stabilised (either with refcount or d_lock). Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/dcache.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 5f0392ef759b..d719e4de8046 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -191,7 +191,6 @@ struct dentry_operations {
#define DCACHE_OP_REVALIDATE 0x4000
#define DCACHE_OP_DELETE 0x8000
-extern spinlock_t dcache_inode_lock;
extern seqlock_t rename_lock;
static inline int dname_external(struct dentry *dentry)