Current Path : /compat/linux/proc/self/root/usr/src/sys/ofed/include/linux/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //compat/linux/proc/self/root/usr/src/sys/ofed/include/linux/file.h |
/*- * Copyright (c) 2010 Isilon Systems, Inc. * Copyright (c) 2010 iX Systems, Inc. * Copyright (c) 2010 Panasas, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _LINUX_FILE_H_ #define _LINUX_FILE_H_ #include <sys/param.h> #include <sys/file.h> #include <sys/filedesc.h> #include <sys/refcount.h> #include <sys/proc.h> #include <linux/fs.h> struct linux_file; #undef file extern struct fileops linuxfileops; static inline struct linux_file * linux_fget(unsigned int fd) { struct file *file; file = fget_unlocked(curthread->td_proc->p_fd, fd); return (struct linux_file *)file->f_data; } static inline void fput(struct linux_file *filp) { if (filp->_file == NULL) { kfree(filp); return; } if (refcount_release(&filp->_file->f_count)) { _fdrop(filp->_file, curthread); kfree(filp); } } static inline void put_unused_fd(unsigned int fd) { struct file *file; file = fget_unlocked(curthread->td_proc->p_fd, fd); if (file == NULL) return; fdclose(curthread->td_proc->p_fd, file, fd, curthread); } static inline void fd_install(unsigned int fd, struct linux_file *filp) { struct file *file; file = fget_unlocked(curthread->td_proc->p_fd, fd); filp->_file = file; finit(file, filp->f_mode, DTYPE_DEV, filp, &linuxfileops); } static inline int get_unused_fd(void) { struct file *file; int error; int fd; error = falloc(curthread, &file, &fd, 0); if (error) return -error; return fd; } static inline struct linux_file * _alloc_file(int mode, const struct file_operations *fops) { struct linux_file *filp; filp = kzalloc(sizeof(*filp), GFP_KERNEL); if (filp == NULL) return (NULL); filp->f_op = fops; filp->f_mode = mode; return filp; } #define alloc_file(mnt, root, mode, fops) _alloc_file((mode), (fops)) #define file linux_file #define fget linux_fget #endif /* _LINUX_FILE_H_ */