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authorLatchesar Ionkov <lucho@ionkov.net>2006-01-08 01:04:58 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:14:05 -0800
commit3cf6429a26da5c4d7b795e6d0f8f56ed2e4fdfc0 (patch)
treea8d856763fd9a0536519634c93ab92da684107fa /fs/9p/v9fs.h
parentf5ef3c105bee3a52486d7b55cef3330fcde9bca6 (diff)
downloadvexpress-lsk-3cf6429a26da5c4d7b795e6d0f8f56ed2e4fdfc0.tar.gz
[PATCH] v9fs: new multiplexer implementation
New multiplexer implementation. Decreases the number of kernel threads required. Better handling when the user process receives a signal. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/9p/v9fs.h')
-rw-r--r--fs/9p/v9fs.h17
1 files changed, 5 insertions, 12 deletions
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 45dcef42bdd..f337da7a0ee 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -57,24 +57,14 @@ struct v9fs_session_info {
/* book keeping */
struct v9fs_idpool fidpool; /* The FID pool for file descriptors */
- struct v9fs_idpool tidpool; /* The TID pool for transactions ids */
- /* transport information */
struct v9fs_transport *transport;
+ struct v9fs_mux_data *mux;
int inprogress; /* session in progress => true */
int shutdown; /* session shutting down. no more attaches. */
unsigned char session_hung;
-
- /* mux private data */
- struct v9fs_fcall *curfcall;
- wait_queue_head_t read_wait;
- struct completion fcread;
- struct completion proccmpl;
- struct task_struct *recvproc;
-
- spinlock_t muxlock;
- struct list_head mux_fcalls;
+ struct dentry *debugfs_dir;
};
/* possible values of ->proto */
@@ -84,11 +74,14 @@ enum {
PROTO_FD,
};
+extern struct dentry *v9fs_debugfs_root;
+
int v9fs_session_init(struct v9fs_session_info *, const char *, char *);
struct v9fs_session_info *v9fs_inode2v9ses(struct inode *);
void v9fs_session_close(struct v9fs_session_info *v9ses);
int v9fs_get_idpool(struct v9fs_idpool *p);
void v9fs_put_idpool(int id, struct v9fs_idpool *p);
+int v9fs_check_idpool(int id, struct v9fs_idpool *p);
void v9fs_session_cancel(struct v9fs_session_info *v9ses);
#define V9FS_MAGIC 0x01021997