+/*****************************************************************************\
+ * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
+ * Copyright (C) 2007 The Regents of the University of California.
+ * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
+ * UCRL-CODE-235197
+ *
+ * This file is part of the SPL, Solaris Porting Layer.
+ * For details, see <http://zfsonlinux.org/>.
+ *
+ * The SPL is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * The SPL is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the SPL. If not, see <http://www.gnu.org/licenses/>.
+\*****************************************************************************/
+
#ifndef _SPL_VNODE_H
-#define _SPL_VNODE_H
+#define _SPL_VNODE_H
#include <linux/module.h>
#include <linux/syscalls.h>
#include <linux/fcntl.h>
-#include <linux/uaccess.h>
#include <linux/buffer_head.h>
#include <linux/dcache.h>
#include <linux/namei.h>
+#include <linux/file.h>
#include <linux/fs.h>
+#include <linux/fs_struct.h>
+#include <linux/mount.h>
#include <sys/kmem.h>
#include <sys/mutex.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/uio.h>
-
-#define XVA_MAPSIZE 3
-#define XVA_MAGIC 0x78766174
-
-#define O_DSYNC 040000000
-
-#define FREAD 1
-#define FWRITE 2
-#define FCREAT O_CREAT
-#define FTRUNC O_TRUNC
-#define FOFFMAX O_LARGEFILE
-#define FSYNC O_SYNC
-#define FDSYNC O_DSYNC
-#define FRSYNC O_RSYNC
-#define FEXCL O_EXCL
-#define FDIRECT O_DIRECT
-
-#define FNODSYNC 0x10000 /* fsync pseudo flag */
-#define FNOFOLLOW 0x20000 /* don't follow symlinks */
-
-#define AT_TYPE 0x00001
-#define AT_MODE 0x00002
-#undef AT_UID /* Conflicts with linux/auxvec.h */
-#define AT_UID 0x00004
-#undef AT_GID /* Conflicts with linux/auxvec.h */
-#define AT_GID 0x00008
-#define AT_FSID 0x00010
-#define AT_NODEID 0x00020
-#define AT_NLINK 0x00040
-#define AT_SIZE 0x00080
-#define AT_ATIME 0x00100
-#define AT_MTIME 0x00200
-#define AT_CTIME 0x00400
-#define AT_RDEV 0x00800
-#define AT_BLKSIZE 0x01000
-#define AT_NBLOCKS 0x02000
-#define AT_SEQ 0x08000
-#define AT_XVATTR 0x10000
-
-#define CRCREAT 0x01
-#define RMFILE 0x02
-
-#define B_INVAL 0x01
-#define B_TRUNC 0x02
+#include <sys/user.h>
+#include <sys/sunldi.h>
+
+/*
+ * Prior to linux-2.6.33 only O_DSYNC semantics were implemented and
+ * they used the O_SYNC flag. As of linux-2.6.33 the this behavior
+ * was properly split in to O_SYNC and O_DSYNC respectively.
+ */
+#ifndef O_DSYNC
+#define O_DSYNC O_SYNC
+#endif
+
+#define FREAD 1
+#define FWRITE 2
+#define FCREAT O_CREAT
+#define FTRUNC O_TRUNC
+#define FOFFMAX O_LARGEFILE
+#define FSYNC O_SYNC
+#define FDSYNC O_DSYNC
+#define FRSYNC O_SYNC
+#define FEXCL O_EXCL
+#define FDIRECT O_DIRECT
+#define FAPPEND O_APPEND
+
+#define FNODSYNC 0x10000 /* fsync pseudo flag */
+#define FNOFOLLOW 0x20000 /* don't follow symlinks */
+
+#define F_FREESP 11 /* Free file space */
+
+
+/*
+ * The vnode AT_ flags are mapped to the Linux ATTR_* flags.
+ * This allows them to be used safely with an iattr structure.
+ * The AT_XVATTR flag has been added and mapped to the upper
+ * bit range to avoid conflicting with the standard Linux set.
+ */
+#undef AT_UID
+#undef AT_GID
+
+#define AT_MODE ATTR_MODE
+#define AT_UID ATTR_UID
+#define AT_GID ATTR_GID
+#define AT_SIZE ATTR_SIZE
+#define AT_ATIME ATTR_ATIME
+#define AT_MTIME ATTR_MTIME
+#define AT_CTIME ATTR_CTIME
+
+#define ATTR_XVATTR (1 << 31)
+#define AT_XVATTR ATTR_XVATTR
+
+#define ATTR_IATTR_MASK (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_SIZE | \
+ ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_FILE)
+
+#define CRCREAT 0x01
+#define RMFILE 0x02
+
+#define B_INVAL 0x01
+#define B_TRUNC 0x02
+
+#define LOOKUP_DIR 0x01
+#define LOOKUP_XATTR 0x02
+#define CREATE_XATTR_DIR 0x04
+#define ATTR_NOACLCHECK 0x20
typedef enum vtype {
VNON = 0,
} vtype_t;
typedef struct vattr {
- enum vtype va_type; /* vnode type */
- u_int va_mask; /* attribute bit-mask */
- u_short va_mode; /* acc mode */
- short va_uid; /* owner uid */
- short va_gid; /* owner gid */
- long va_fsid; /* fs id */
- long va_nodeid; /* node # */
- short va_nlink; /* # links */
- u_long va_size; /* file size */
- long va_blocksize; /* block size */
- struct timeval va_atime; /* last acc */
- struct timeval va_mtime; /* last mod */
- struct timeval va_ctime; /* last chg */
- dev_t va_rdev; /* dev */
- long va_blocks; /* space used */
+ enum vtype va_type; /* vnode type */
+ uint_t va_mask; /* attribute bit-mask */
+ ushort_t va_mode; /* acc mode */
+ uid_t va_uid; /* owner uid */
+ gid_t va_gid; /* owner gid */
+ long va_fsid; /* fs id */
+ long va_nodeid; /* node # */
+ uint32_t va_nlink; /* # links */
+ uint64_t va_size; /* file size */
+ inode_timespec_t va_atime; /* last acc */
+ inode_timespec_t va_mtime; /* last mod */
+ inode_timespec_t va_ctime; /* last chg */
+ dev_t va_rdev; /* dev */
+ uint64_t va_nblocks; /* space used */
+ uint32_t va_blksize; /* block size */
+ uint32_t va_seq; /* sequence */
+ struct dentry *va_dentry; /* dentry to wire */
} vattr_t;
-typedef struct xoptattr {
- timestruc_t xoa_createtime; /* Create time of file */
- uint8_t xoa_archive;
- uint8_t xoa_system;
- uint8_t xoa_readonly;
- uint8_t xoa_hidden;
- uint8_t xoa_nounlink;
- uint8_t xoa_immutable;
- uint8_t xoa_appendonly;
- uint8_t xoa_nodump;
- uint8_t xoa_settable;
- uint8_t xoa_opaque;
- uint8_t xoa_av_quarantined;
- uint8_t xoa_av_modified;
-} xoptattr_t;
-
-typedef struct xvattr {
- vattr_t xva_vattr; /* Embedded vattr structure */
- uint32_t xva_magic; /* Magic Number */
- uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
- uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
- uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
- uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
- xoptattr_t xva_xoptattrs; /* Optional attributes */
-} xvattr_t;
-
-typedef struct vsecattr {
- uint_t vsa_mask; /* See below */
- int vsa_aclcnt; /* ACL entry count */
- void *vsa_aclentp; /* pointer to ACL entries */
- int vsa_dfaclcnt; /* default ACL entry count */
- void *vsa_dfaclentp; /* pointer to default ACL entries */
- size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
-} vsecattr_t;
-
typedef struct vnode {
- struct file *v_fp;
+ struct file *v_file;
kmutex_t v_lock; /* protects vnode fields */
uint_t v_flag; /* vnode flags (see below) */
uint_t v_count; /* reference count */
struct stdata *v_stream; /* associated stream */
enum vtype v_type; /* vnode type */
dev_t v_rdev; /* device (VCHR, VBLK) */
+ gfp_t v_gfp_mask; /* original mapping gfp mask */
} vnode_t;
+typedef struct vn_file {
+ int f_fd; /* linux fd for lookup */
+ struct task_struct *f_task; /* linux task this fd belongs to */
+ struct file *f_file; /* linux file struct */
+ atomic_t f_ref; /* ref count */
+ kmutex_t f_lock; /* struct lock */
+ loff_t f_offset; /* offset */
+ vnode_t *f_vnode; /* vnode */
+ struct list_head f_list; /* list referenced file_t's */
+} file_t;
+
extern vnode_t *vn_alloc(int flag);
void vn_free(vnode_t *vp);
+extern vtype_t vn_mode_to_vtype(mode_t);
+extern mode_t vn_vtype_to_mode(vtype_t);
extern int vn_open(const char *path, uio_seg_t seg, int flags, int mode,
- vnode_t **vpp, int x1, void *x2);
+ vnode_t **vpp, int x1, void *x2);
extern int vn_openat(const char *path, uio_seg_t seg, int flags, int mode,
- vnode_t **vpp, int x1, void *x2, vnode_t *vp, int fd);
+ vnode_t **vpp, int x1, void *x2, vnode_t *vp, int fd);
extern int vn_rdwr(uio_rw_t uio, vnode_t *vp, void *addr, ssize_t len,
- offset_t off, uio_seg_t seg, int x1, rlim64_t x2,
- void *x3, ssize_t *residp);
+ offset_t off, uio_seg_t seg, int x1, rlim64_t x2,
+ void *x3, ssize_t *residp);
extern int vn_close(vnode_t *vp, int flags, int x1, int x2, void *x3, void *x4);
-extern int vn_remove(const char *path, uio_seg_t seg, int flags);
-extern int vn_rename(const char *path1, const char *path2, int x1);
+extern int vn_seek(vnode_t *vp, offset_t o, offset_t *op, void *ct);
+
extern int vn_getattr(vnode_t *vp, vattr_t *vap, int flags, void *x3, void *x4);
extern int vn_fsync(vnode_t *vp, int flags, void *x3, void *x4);
-
-int vn_init(void);
-void vn_fini(void);
-
-static __inline__ int
-vn_rele(vnode_t *vp)
-{
- return 0;
-} /* vn_rele() */
-
-static __inline__ int
-vn_putpage(vnode_t *vp, offset_t off, ssize_t size,
- int flags, void *x1, void *x2) {
- return 0;
-} /* vn_putpage() */
-
-#define VOP_CLOSE vn_close
-#define VN_RELE vn_rele
-#define VOP_GETATTR vn_getattr
-#define VOP_FSYNC vn_fsync
-#define VOP_PUTPAGE vn_putpage
-#define vn_is_readonly(vp) 0
-
-extern void *rootdir;
+extern int vn_space(vnode_t *vp, int cmd, struct flock *bfp, int flag,
+ offset_t offset, void *x6, void *x7);
+extern file_t *vn_getf(int fd);
+extern void vn_releasef(int fd);
+extern void vn_areleasef(int fd, uf_info_t *fip);
+extern int vn_set_pwd(const char *filename);
+
+int spl_vn_init(void);
+void spl_vn_fini(void);
+
+#define VOP_CLOSE vn_close
+#define VOP_SEEK vn_seek
+#define VOP_GETATTR vn_getattr
+#define VOP_FSYNC vn_fsync
+#define VOP_SPACE vn_space
+#define VOP_PUTPAGE(vp, o, s, f, x1, x2) ((void)0)
+#define vn_is_readonly(vp) 0
+#define getf vn_getf
+#define releasef vn_releasef
+#define areleasef vn_areleasef
+
+extern vnode_t *rootdir;
#endif /* SPL_VNODE_H */
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