X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=fs%2Fanon_inodes.c;h=977ef208c05193bbe555a4b4bce50853f0483616;hb=b212f3378a9cfca4da52d7c7e6f79ead8ec287fc;hp=23321889d9b09d89075272ee419d4e00b496f1d8;hpb=fe2520094d88018423dfc42b3cd0015f74e8adea;p=linux-2.6-omap-h63xx.git diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index 23321889d9b..977ef208c05 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -57,9 +57,6 @@ static struct dentry_operations anon_inodefs_dentry_operations = { * anonymous inode, and a dentry that describe the "class" * of the file * - * @pfd: [out] pointer to the file descriptor - * @dpinode: [out] pointer to the inode - * @pfile: [out] pointer to the file struct * @name: [in] name of the "class" of the new file * @fops [in] file operations for the new file * @priv [in] private data for the new file (will be file's private_data) @@ -68,10 +65,9 @@ static struct dentry_operations anon_inodefs_dentry_operations = { * that do not need to have a full-fledged inode in order to operate correctly. * All the files created with anon_inode_getfd() will share a single inode, * hence saving memory and avoiding code duplication for the file/inode/dentry - * setup. + * setup. Returns new descriptor or -error. */ -int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, - const char *name, const struct file_operations *fops, +int anon_inode_getfd(const char *name, const struct file_operations *fops, void *priv) { struct qstr this; @@ -81,13 +77,10 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, if (IS_ERR(anon_inode_inode)) return -ENODEV; - file = get_empty_filp(); - if (!file) - return -ENFILE; error = get_unused_fd(); if (error < 0) - goto err_put_filp; + return error; fd = error; /* @@ -114,28 +107,26 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, dentry->d_flags &= ~DCACHE_UNHASHED; d_instantiate(dentry, anon_inode_inode); - file->f_path.mnt = mntget(anon_inode_mnt); - file->f_path.dentry = dentry; + error = -ENFILE; + file = alloc_file(anon_inode_mnt, dentry, + FMODE_READ | FMODE_WRITE, fops); + if (!file) + goto err_dput; file->f_mapping = anon_inode_inode->i_mapping; file->f_pos = 0; file->f_flags = O_RDWR; - file->f_op = fops; - file->f_mode = FMODE_READ | FMODE_WRITE; file->f_version = 0; file->private_data = priv; fd_install(fd, file); - *pfd = fd; - *pinode = anon_inode_inode; - *pfile = file; - return 0; + return fd; +err_dput: + dput(dentry); err_put_unused_fd: put_unused_fd(fd); -err_put_filp: - put_filp(file); return error; } EXPORT_SYMBOL_GPL(anon_inode_getfd);