X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Ffuse%2Ffuse_i.h;h=68ae87cbafab556a8b3843681274f7ac911ceae8;hb=90f30eccf41302a2542f5d374af243061902bd98;hp=eb3166625ca92a6b49f0db441699a27c5c8b5e28;hpb=7142125937e1482ad3ae4366594c6586153dfc86;p=linux-2.6

diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index eb3166625c..68ae87cbaf 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -59,13 +59,13 @@ struct fuse_inode {
 	struct fuse_req *forget_req;
 
 	/** Time in jiffies until the file attributes are valid */
-	unsigned long i_time;
+	u64 i_time;
 };
 
 /** FUSE specific file data */
 struct fuse_file {
 	/** Request reserved for flush and release */
-	struct fuse_req *release_req;
+	struct fuse_req *reserved_req;
 
 	/** File handle used by userspace */
 	u64 fh;
@@ -131,6 +131,7 @@ enum fuse_req_state {
 	FUSE_REQ_PENDING,
 	FUSE_REQ_READING,
 	FUSE_REQ_SENT,
+	FUSE_REQ_WRITING,
 	FUSE_REQ_FINISHED
 };
 
@@ -144,9 +145,15 @@ struct fuse_req {
 	    fuse_conn */
 	struct list_head list;
 
+	/** Entry on the interrupts list  */
+	struct list_head intr_entry;
+
 	/** refcount */
 	atomic_t count;
 
+	/** Unique ID for the interrupt request */
+	u64 intr_unique;
+
 	/*
 	 * The following bitfields are either set once before the
 	 * request is queued or setting/clearing them is protected by
@@ -159,12 +166,15 @@ struct fuse_req {
 	/** Force sending of the request even if interrupted */
 	unsigned force:1;
 
-	/** The request was interrupted */
-	unsigned interrupted:1;
+	/** The request was aborted */
+	unsigned aborted:1;
 
 	/** Request is sent in the background */
 	unsigned background:1;
 
+	/** The request has been interrupted */
+	unsigned interrupted:1;
+
 	/** Data is being copied to/from the request */
 	unsigned locked:1;
 
@@ -213,6 +223,9 @@ struct fuse_req {
 
 	/** Request completion callback */
 	void (*end)(struct fuse_conn *, struct fuse_req *);
+
+	/** Request is stolen from fuse_file->reserved_req */
+	struct file *stolen_file;
 };
 
 /**
@@ -226,6 +239,9 @@ struct fuse_conn {
 	/** Lock protecting accessess to  members of this structure */
 	spinlock_t lock;
 
+	/** Mutex protecting against directory alias creation */
+	struct mutex inst_mutex;
+
 	/** Refcount */
 	atomic_t count;
 
@@ -259,6 +275,9 @@ struct fuse_conn {
 	/** Number of requests currently in the background */
 	unsigned num_background;
 
+	/** Pending interrupts */
+	struct list_head interrupts;
+
 	/** Flag indicating if connection is blocked.  This will be
 	    the case before the INIT reply is received, and if there
 	    are too many outstading backgrounds requests */
@@ -279,6 +298,9 @@ struct fuse_conn {
 	    reply, before any other request, and never cleared */
 	unsigned conn_error : 1;
 
+	/** Connection successful.  Only set in INIT */
+	unsigned conn_init : 1;
+
 	/** Do readpages asynchronously?  Only set in INIT */
 	unsigned async_read : 1;
 
@@ -317,6 +339,12 @@ struct fuse_conn {
 	/** Is create not implemented by fs? */
 	unsigned no_create : 1;
 
+	/** Is interrupt not implemented by fs? */
+	unsigned no_interrupt : 1;
+
+	/** Is bmap not implemented by fs? */
+	unsigned no_bmap : 1;
+
 	/** The number of requests waiting for completion */
 	atomic_t num_waiting;
 
@@ -340,6 +368,12 @@ struct fuse_conn {
 
 	/** O_ASYNC requests */
 	struct fasync_struct *fasync;
+
+	/** Key for lock owner ID scrambling */
+	u32 scramble_key[4];
+
+	/** Reserved request for the DESTROY message */
+	struct fuse_req *destroy_req;
 };
 
 static inline struct fuse_conn *get_fuse_conn_super(struct super_block *sb)
@@ -456,10 +490,15 @@ struct fuse_req *fuse_request_alloc(void);
 void fuse_request_free(struct fuse_req *req);
 
 /**
- * Reserve a preallocated request
+ * Get a request, may fail with -ENOMEM
  */
 struct fuse_req *fuse_get_req(struct fuse_conn *fc);
 
+/**
+ * Gets a requests for a file operation, always succeeds
+ */
+struct fuse_req *fuse_get_req_nofail(struct fuse_conn *fc, struct file *file);
+
 /**
  * Decrement reference count of a request.  If count goes to zero free
  * the request.
@@ -513,3 +552,8 @@ int fuse_ctl_add_conn(struct fuse_conn *fc);
  * Remove connection from control filesystem
  */
 void fuse_ctl_remove_conn(struct fuse_conn *fc);
+
+/**
+ * Is file type valid?
+ */
+int fuse_valid_type(int m);