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author | Miklos Szeredi <mszeredi@suse.cz> | 2007-11-28 16:21:59 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-29 09:24:54 -0800 |
commit | 7dca9fd39f7d4605ac178a67bb1772381056917d (patch) | |
tree | 8a2f49e872a900819c7067bbe8ed118f88241f07 /fs/fuse | |
parent | bcb4be809d2a804ff040d95db4a664113833e702 (diff) | |
download | kernel_samsung_smdk4412-7dca9fd39f7d4605ac178a67bb1772381056917d.zip kernel_samsung_smdk4412-7dca9fd39f7d4605ac178a67bb1772381056917d.tar.gz kernel_samsung_smdk4412-7dca9fd39f7d4605ac178a67bb1772381056917d.tar.bz2 |
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.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 7b3df35..c84f825 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)); |