[PATCH] FUSE - read-only operations
This patch adds the read-only filesystem operations of FUSE.
This contains the following files:
o dir.c
- directory, symlink and file-inode operations
The following operations are added:
o lookup
o getattr
o readlink
o follow_link
o directory open
o readdir
o directory release
o permission
o dentry revalidate
o statfs
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 50ad6a0..8d91e14 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -30,6 +30,9 @@
* and kernel */
u64 nodeid;
+ /** The request used for sending the FORGET message */
+ struct fuse_req *forget_req;
+
/** Time in jiffies until the file attributes are valid */
unsigned long i_time;
};
@@ -129,6 +132,7 @@
/** Data for asynchronous requests */
union {
+ struct fuse_forget_in forget_in;
struct fuse_init_in_out init_in_out;
} misc;
@@ -197,6 +201,11 @@
struct backing_dev_info bdi;
};
+struct fuse_getdir_out_i {
+ int fd;
+ void *file; /* Used by kernel only */
+};
+
static inline struct fuse_conn **get_fuse_conn_super_p(struct super_block *sb)
{
return (struct fuse_conn **) &sb->s_fs_info;
@@ -240,6 +249,38 @@
extern spinlock_t fuse_lock;
/**
+ * Get a filled in inode
+ */
+struct inode *fuse_iget(struct super_block *sb, unsigned long nodeid,
+ int generation, struct fuse_attr *attr, int version);
+
+/**
+ * Send FORGET command
+ */
+void fuse_send_forget(struct fuse_conn *fc, struct fuse_req *req,
+ unsigned long nodeid, int version);
+
+/**
+ * Initialise inode operations on regular files and special files
+ */
+void fuse_init_common(struct inode *inode);
+
+/**
+ * Initialise inode and file operations on a directory
+ */
+void fuse_init_dir(struct inode *inode);
+
+/**
+ * Initialise inode operations on a symlink
+ */
+void fuse_init_symlink(struct inode *inode);
+
+/**
+ * Change attributes of an inode
+ */
+void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr);
+
+/**
* Check if the connection can be released, and if yes, then free the
* connection structure
*/
@@ -307,6 +348,16 @@
void request_send_background(struct fuse_conn *fc, struct fuse_req *req);
/**
+ * Get the attributes of a file
+ */
+int fuse_do_getattr(struct inode *inode);
+
+/**
+ * Invalidate inode attributes
+ */
+void fuse_invalidate_attr(struct inode *inode);
+
+/**
* Send the INIT message
*/
void fuse_send_init(struct fuse_conn *fc);