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authorMiklos Szeredi <miklos@szeredi.hu>2006-04-10 22:54:55 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 06:18:48 -0700
commitd713311464bcca73c990d1a1b5c9467eae87f5b4 (patch)
treed049e9655bebed5212cd3534961d354e51c2769f /fs/fuse/fuse_i.h
parent0720b315976447cba3f0c3e211223b8cb82b0f93 (diff)
[PATCH] fuse: use a per-mount spinlock
Remove the global spinlock in favor of a per-mount one. This patch is basically find & replace. The difficult part has already been done by the previous patch. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/fuse/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h24
1 files changed, 6 insertions, 18 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index e5cb46b7843..6ed812fd620 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1,6 +1,6 @@
/*
FUSE: Filesystem in Userspace
- Copyright (C) 2001-2005 Miklos Szeredi <miklos@szeredi.hu>
+ Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
@@ -144,7 +144,7 @@ struct fuse_req {
/*
* The following bitfields are either set once before the
* request is queued or setting/clearing them is protected by
- * fuse_lock
+ * fuse_conn->lock
*/
/** True if the request has reply */
@@ -213,6 +213,9 @@ struct fuse_req {
* unmounted.
*/
struct fuse_conn {
+ /** Lock protecting accessess to members of this structure */
+ spinlock_t lock;
+
/** The user id for this mount */
uid_t user_id;
@@ -352,21 +355,6 @@ static inline u64 get_node_id(struct inode *inode)
extern const struct file_operations fuse_dev_operations;
/**
- * This is the single global spinlock which protects FUSE's structures
- *
- * The following data is protected by this lock:
- *
- * - the private_data field of the device file
- * - the s_fs_info field of the super block
- * - unused_list, pending, processing lists in fuse_conn
- * - background list in fuse_conn
- * - the unique request ID counter reqctr in fuse_conn
- * - the sb (super_block) field in fuse_conn
- * - the file (device file) field in fuse_conn
- */
-extern spinlock_t fuse_lock;
-
-/**
* Get a filled in inode
*/
struct inode *fuse_iget(struct super_block *sb, unsigned long nodeid,
@@ -490,7 +478,7 @@ void request_send_background(struct fuse_conn *fc, struct fuse_req *req);
/**
* Release inodes and file associated with background request
*/
-void fuse_release_background(struct fuse_req *req);
+void fuse_release_background(struct fuse_conn *fc, struct fuse_req *req);
/* Abort all requests */
void fuse_abort_conn(struct fuse_conn *fc);