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Diffstat (limited to 'sys/compat/opensolaris/sys/vnode.h')
| -rw-r--r-- | sys/compat/opensolaris/sys/vnode.h | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/sys/compat/opensolaris/sys/vnode.h b/sys/compat/opensolaris/sys/vnode.h new file mode 100644 index 0000000..af886e8 --- /dev/null +++ b/sys/compat/opensolaris/sys/vnode.h @@ -0,0 +1,244 @@ +/*- + * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> + * 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, 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 AUTHORS AND CONTRIBUTORS ``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 AUTHORS OR CONTRIBUTORS 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. + * + * $FreeBSD$ + */ + +#ifndef _OPENSOLARIS_SYS_VNODE_H_ +#define _OPENSOLARIS_SYS_VNODE_H_ + +#include_next <sys/vnode.h> +#include <sys/mount.h> +#include <sys/cred.h> +#include <sys/fcntl.h> +#include <sys/namei.h> +#include <sys/proc.h> +#include <sys/filedesc.h> +#include <sys/syscallsubr.h> + +typedef struct vnode vnode_t; +typedef struct vattr vattr_t; + +typedef struct vop_vector vnodeops_t; +#define vop_fid vop_vptofh +#define vop_fid_args vop_vptofh_args +#define a_fid a_fhp + +#define v_count v_usecount + +static __inline int +vn_is_readonly(vnode_t *vp) +{ + return (vp->v_mount->mnt_flag & MNT_RDONLY); +} +#define vn_vfswlock(vp) (0) +#define vn_vfsunlock(vp) do { } while (0) +#define vn_ismntpt(vp) ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL) +#define vn_mountedvfs(vp) ((vp)->v_mountedhere) +#define vn_has_cached_data(vp) ((vp)->v_object != NULL && (vp)->v_object->resident_page_count > 0) + +#define VN_HOLD(v) vref(v) +#define VN_RELE(v) vrele(v) +#define VN_URELE(v) vput(v) + +#define IS_DEVVP(vp) \ + ((vp)->v_type == VCHR || (vp)->v_type == VBLK || (vp)->v_type == VFIFO) + +#define MODEMASK ALLPERMS + +/* + * We will use va_spare is place of Solaris' va_mask. + * This field is initialized in zfs_setattr(). + */ +#define va_mask va_spare +/* TODO: va_fileid is shorter than va_nodeid !!! */ +#define va_nodeid va_fileid +/* TODO: This field needs conversion! */ +#define va_nblocks va_bytes +#define va_blksize va_blocksize +#define va_seq va_gen + +#define AT_TYPE 0x0001 +#define AT_MODE 0x0002 +#define AT_UID 0x0004 +#define AT_GID 0x0008 +#define AT_FSID 0x0010 +#define AT_NODEID 0x0020 +#define AT_NLINK 0x0040 +#define AT_SIZE 0x0080 +#define AT_ATIME 0x0100 +#define AT_MTIME 0x0200 +#define AT_CTIME 0x0400 +#define AT_RDEV 0x0800 +#define AT_BLKSIZE 0x1000 +#define AT_NBLOCKS 0x2000 +#define AT_SEQ 0x4000 + +#define ACCESSED (AT_ATIME) +#define STATE_CHANGED (AT_CTIME) +#define CONTENT_MODIFIED (AT_MTIME | AT_CTIME) + +static __inline void +vattr_init_mask(vattr_t *vap) +{ + + vap->va_mask = 0; + + if (vap->va_type != VNON) + vap->va_mask |= AT_TYPE; + if (vap->va_uid != (uid_t)VNOVAL) + vap->va_mask |= AT_UID; + if (vap->va_gid != (gid_t)VNOVAL) + vap->va_mask |= AT_GID; + if (vap->va_size != (u_quad_t)VNOVAL) + vap->va_mask |= AT_SIZE; + if (vap->va_atime.tv_sec != VNOVAL) + vap->va_mask |= AT_ATIME; + if (vap->va_mtime.tv_sec != VNOVAL) + vap->va_mask |= AT_MTIME; + if (vap->va_mode != (u_short)VNOVAL) + vap->va_mask |= AT_MODE; +} + +enum create { CRCREAT }; +#define FCREAT O_CREAT +#define FTRUNC O_TRUNC +#define FOFFMAX 0x00 +static __inline int +zfs_vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, + vnode_t **vpp, enum create crwhy, mode_t umask) +{ + struct thread *td = curthread; + struct nameidata nd; + int error; + + ASSERT(seg == UIO_SYSSPACE); + ASSERT(filemode == (FWRITE | FCREAT | FTRUNC | FOFFMAX)); + ASSERT(crwhy == CRCREAT); + ASSERT(umask == 0); + + if (td->td_proc->p_fd->fd_rdir == NULL) + td->td_proc->p_fd->fd_rdir = rootvnode; + if (td->td_proc->p_fd->fd_cdir == NULL) + td->td_proc->p_fd->fd_cdir = rootvnode; + + NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_SYSSPACE, pnamep, td); + error = vn_open_cred(&nd, &filemode, createmode, td->td_ucred, -1); + NDFREE(&nd, NDF_ONLY_PNBUF); + if (error == 0) { + /* We just unlock so we hold a reference. */ + VN_HOLD(nd.ni_vp); + VOP_UNLOCK(nd.ni_vp, 0, td); + *vpp = nd.ni_vp; + } + return (error); +} +#define vn_open(pnamep, seg, filemode, createmode, vpp, crwhy, umask) \ + zfs_vn_open((pnamep), (seg), (filemode), (createmode), (vpp), (crwhy), (umask)) + +#define RLIM64_INFINITY 0 +static __inline int +zfs_vn_rdwr(enum uio_rw rw, vnode_t *vp, caddr_t base, ssize_t len, + offset_t offset, enum uio_seg seg, int ioflag, int ulimit, cred_t *cr, + ssize_t *residp) +{ + struct thread *td = curthread; + int error, vfslocked, resid; + + ASSERT(rw == UIO_WRITE); + ASSERT(ioflag == 0); + ASSERT(ulimit == RLIM64_INFINITY); + + ioflag = IO_APPEND | IO_UNIT; + + vfslocked = VFS_LOCK_GIANT(vp->v_mount); + VOP_LEASE(vp, td, td->td_ucred, LEASE_WRITE); + error = vn_rdwr(rw, vp, base, len, offset, seg, ioflag, cr, NOCRED, + &resid, td); + VFS_UNLOCK_GIANT(vfslocked); + if (residp != NULL) + *residp = (ssize_t)resid; + return (error); +} +#define vn_rdwr(rw, vp, base, len, offset, seg, ioflag, ulimit, cr, residp) \ + zfs_vn_rdwr((rw), (vp), (base), (len), (offset), (seg), (ioflag), (ulimit), (cr), (residp)) + +#define FSYNC MNT_WAIT +static __inline int +zfs_vop_fsync(vnode_t *vp, int flag, cred_t *cr) +{ + struct thread *td = curthread; + struct mount *mp; + int error, vfslocked; + + ASSERT(flag == FSYNC); + + vfslocked = VFS_LOCK_GIANT(vp->v_mount); + if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0) + goto drop; + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td); + error = VOP_FSYNC(vp, flag, td); + VOP_UNLOCK(vp, 0, td); + vn_finished_write(mp); +drop: + VFS_UNLOCK_GIANT(vfslocked); + return (error); +} +#define VOP_FSYNC(vp, flag, cr) zfs_vop_fsync((vp), (flag), (cr)) + +static __inline int +zfs_vop_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr) +{ + + ASSERT(flag == (FWRITE | FCREAT | FTRUNC | FOFFMAX)); + ASSERT(count == 1); + ASSERT(offset == 0); + + return (vn_close(vp, flag, cr, curthread)); +} +#define VOP_CLOSE(vp, oflags, count, offset, cr) \ + zfs_vop_close((vp), (oflags), (count), (offset), (cr)) + +static __inline int +vn_rename(char *from, char *to, enum uio_seg seg) +{ + + ASSERT(seg == UIO_SYSSPACE); + + return (kern_rename(curthread, from, to, seg)); +} + +enum rm { RMFILE }; +static __inline int +vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag) +{ + + ASSERT(seg == UIO_SYSSPACE); + ASSERT(dirflag == RMFILE); + + return (kern_unlink(curthread, fnamep, seg)); +} + +#endif /* _OPENSOLARIS_SYS_VNODE_H_ */ |
