From 7dca9fd39f7d4605ac178a67bb1772381056917d Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Wed, 28 Nov 2007 16:21:59 -0800 Subject: fuse: cleanup: add fuse_get_attr_version() Extract repeated code into helper function, as suggested by Akpm. Signed-off-by: Miklos Szeredi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/fuse/dir.c | 27 ++++++++++++++++++--------- 1 file changed, 18 insertions(+), 9 deletions(-) (limited to 'fs/fuse') 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)); -- cgit v1.2.3