/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
/*
* Linux interpretations of vnode and vfs structs.
- *
- * The Linux "inode" has been abstracted to the fs independent part to avoid
- * wasting 100+bytes per vnode.
*/
#ifndef OSI_VFS_H_
#define OSI_VFS_H_
-/* The vnode should match the current implementation of the fs independent
- * part of the Linux inode.
- */
-/* The first cut is to continue to use a separate vnode pool. */
-typedef struct vnode {
- struct list_head i_hash;
- struct list_head i_list;
- struct list_head i_dentry;
-
- unsigned long i_ino;
- unsigned int i_count;
- kdev_t i_dev;
- umode_t i_mode;
- nlink_t i_nlink;
- uid_t i_uid;
- gid_t i_gid;
- kdev_t i_rdev;
- off_t i_size;
- time_t i_atime;
- time_t i_mtime;
- time_t i_ctime;
- unsigned long i_blksize;
- unsigned long i_blocks;
- unsigned long i_version;
- unsigned long i_nrpages;
- struct semaphore i_sem;
- struct semaphore i_atomic_write;
- struct inode_operations *i_op;
- struct super_block *i_sb;
- struct wait_queue *i_wait;
- struct file_lock *i_flock;
- struct vm_area_struct *i_mmap;
- struct page *i_pages;
- struct dquot *i_dquot[MAXQUOTAS];
-
- unsigned long i_state;
-
- unsigned int i_flags;
- unsigned char i_pipe;
- unsigned char i_sock;
-
- int i_writecount;
- unsigned int i_attr_flags;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,10)
- __u32 i_generation;
-#endif
-#ifdef notdef
- union {
- struct pipe_inode_info pipe_i;
- struct minix_inode_info minix_i;
- struct ext2_inode_info ext2_i;
- struct hpfs_inode_info hpfs_i;
- struct ntfs_inode_info ntfs_i;
- struct msdos_inode_info msdos_i;
- struct umsdos_inode_info umsdos_i;
- struct iso_inode_info isofs_i;
- struct nfs_inode_info nfs_i;
- struct sysv_inode_info sysv_i;
- struct affs_inode_info affs_i;
- struct ufs_inode_info ufs_i;
- struct romfs_inode_info romfs_i;
- struct coda_inode_info coda_i;
- struct smb_inode_info smbfs_i;
- struct hfs_inode_info hfs_i;
- struct adfs_inode_info adfs_i;
- struct qnx4_inode_info qnx4_i;
- struct socket socket_i;
- void *generic_ip;
- } u;
-#endif
-} vnode_t;
+typedef struct inode vnode_t;
+#define vnode inode
-/* Map vnode fields to inode fields. */
+/* Map vnode fields to inode fields */
#define i_number i_ino
#define v_count i_count
#define v_op i_op
+#define v_fop i_fop
#define v_type i_mode
#define v_vfsp i_sb
-#define vfs_vnodecovered s_covered
+#define v_data u.generic_ip
-/* v_type bits map to mode bits: */
+/* v_type bits map to mode bits */
#define VNON 0
#define VREG S_IFREG
#define VDIR S_IFDIR
#define VCHR S_IFCHR
#define VLNK S_IFLNK
#define VSOCK S_IFSOCK
+#define VFIFO S_IFIFO
/* vcexcl - used only by afs_create */
enum vcexcl { EXCL, NONEXCL } ;
#define FWRITE O_WRONLY|O_RDWR|O_APPEND
#define FTRUNC O_TRUNC
-
#define IO_APPEND O_APPEND
#define FSYNC O_SYNC
-#define VTOI(V) ((struct inode*)V)
-#define VN_HOLD(V) ((vnode_t*)V)->i_count++;
-#define VN_RELE(V) osi_iput((struct inode *)V);
-#define VFS_STATFS(V, S) ((V)->s_op->statfs)((V), (S), sizeof(*(S)))
-
-
+#define VTOI(V) (V)
/* Various mode bits */
#define VWRITE S_IWUSR
#define VSUID S_ISUID
#define VSGID S_ISGID
-
#define vfs super_block
typedef struct vattr {
int va_type; /* One of v_types above. */
- size_t va_size;
+ afs_size_t va_size;
unsigned long va_blocks;
unsigned long va_blocksize;
int va_mask; /* AT_xxx operation to perform. */
#define VATTR_NULL(A) memset(A, 0, sizeof(struct vattr))
-
-/* va_masks - these should match their respective ATTR_xxx #defines in fs.h.
- * afs_notify_change has to use the attr bits in both the Linux and AFS
- * meanings. The glue layer code uses the ATTR_xxx style names.
- */
-#define AT_SIZE ATTR_SIZE
-#define AT_MODE ATTR_MODE
-#define AT_UID ATTR_UID
-#define AT_GID ATTR_GID
-#define AT_MTIME ATTR_MTIME
-
-
-#define vnodeops inode_operations
+#ifndef HAVE_LINUX_I_SIZE_READ
+#define i_size_read(X) ((X)->i_size)
+#define i_size_write(X,Y) (X)->i_size = Y
+#endif
#endif /* OSI_VFS_H_ */
git://git.openafs.org / openafs.git / blobdiff