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authorMiklos Szeredi <mszeredi@suse.cz>2007-11-28 16:21:59 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-29 09:24:54 -0800
commit7dca9fd39f7d4605ac178a67bb1772381056917d (patch)
tree8a2f49e872a900819c7067bbe8ed118f88241f07 /fs/fuse
parentbcb4be809d2a804ff040d95db4a664113833e702 (diff)
downloadblackbird-op-linux-7dca9fd39f7d4605ac178a67bb1772381056917d.tar.gz
blackbird-op-linux-7dca9fd39f7d4605ac178a67bb1772381056917d.zip
fuse: cleanup: add fuse_get_attr_version()
Extract repeated code into helper function, as suggested by Akpm. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/dir.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 7b3df35cf196..c84f825b57e7 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -132,6 +132,21 @@ static void fuse_lookup_init(struct fuse_req *req, struct inode *dir,
req->out.args[0].value = outarg;
}
+static u64 fuse_get_attr_version(struct fuse_conn *fc)
+{
+ u64 curr_version;
+
+ /*
+ * The spin lock isn't actually needed on 64bit archs, but we
+ * don't yet care too much about such optimizations.
+ */
+ spin_lock(&fc->lock);
+ curr_version = fc->attr_version;
+ spin_unlock(&fc->lock);
+
+ return curr_version;
+}
+
/*
* Check whether the dentry is still valid
*
@@ -171,9 +186,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
return 0;
}
- spin_lock(&fc->lock);
- attr_version = fc->attr_version;
- spin_unlock(&fc->lock);
+ attr_version = fuse_get_attr_version(fc);
parent = dget_parent(entry);
fuse_lookup_init(req, parent->d_inode, entry, &outarg);
@@ -264,9 +277,7 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry,
return ERR_PTR(PTR_ERR(forget_req));
}
- spin_lock(&fc->lock);
- attr_version = fc->attr_version;
- spin_unlock(&fc->lock);
+ attr_version = fuse_get_attr_version(fc);
fuse_lookup_init(req, dir, entry, &outarg);
request_send(fc, req);
@@ -733,9 +744,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
if (IS_ERR(req))
return PTR_ERR(req);
- spin_lock(&fc->lock);
- attr_version = fc->attr_version;
- spin_unlock(&fc->lock);
+ attr_version = fuse_get_attr_version(fc);
memset(&inarg, 0, sizeof(inarg));
memset(&outarg, 0, sizeof(outarg));
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