void *
osi_UFSOpen(afs_dcache_id_t *ainode)
{
struct osi_file *afile = NULL;
extern int cacheDiskType;
AFS_STATCNT(osi_UFSOpen);
if (cacheDiskType != AFS_FCACHE_TYPE_UFS) {
osi_Panic("UFSOpen called for non-UFS cache\n");
}
if (!afs_osicred_initialized) {
/* valid for alpha_osf, SunOS, Ultrix */
memset(&afs_osi_cred, 0, sizeof(afs_ucred_t));
crhold(&afs_osi_cred); /* don't let it evaporate, since it is static */
afs_osicred_initialized = 1;
}
AFS_GUNLOCK();
afile = kmalloc(sizeof(struct osi_file), GFP_NOFS);
if (!afile) {
osi_Panic("osi_UFSOpen: Failed to allocate %d bytes for osi_file.\n",
(int)sizeof(struct osi_file));
}
memset(afile, 0, sizeof(struct osi_file));
afile->filp = afs_linux_raw_open(ainode);
afile->size = i_size_read(FILE_INODE(afile->filp));
AFS_GLOCK();
afile->offset = 0;
afile->proc = (int (*)())0;
return (void *)afile;
}
int
osi_UFSClose(struct osi_file *afile)
{
AFS_STATCNT(osi_Close);
if (afile) {
if (FILE_INODE(&afile->file)) {
struct file *filp = &afile->file;
if (filp->f_op && filp->f_op->release)
filp->f_op->release(FILE_INODE(filp), filp);
iput(FILE_INODE(filp));
}
}
osi_FreeLargeSpace(afile);
return 0;
}
void *
osi_UFSOpen(afs_int32 ainode)
{
register struct osi_file *afile = NULL;
extern int cacheDiskType;
afs_int32 code = 0;
struct inode *tip = NULL;
struct file *filp = NULL;
AFS_STATCNT(osi_UFSOpen);
if (cacheDiskType != AFS_FCACHE_TYPE_UFS) {
osi_Panic("UFSOpen called for non-UFS cache\n");
}
if (!afs_osicred_initialized) {
/* valid for alpha_osf, SunOS, Ultrix */
memset((char *)&afs_osi_cred, 0, sizeof(struct AFS_UCRED));
crhold(&afs_osi_cred); /* don't let it evaporate, since it is static */
afs_osicred_initialized = 1;
}
afile = (struct osi_file *)osi_AllocLargeSpace(sizeof(struct osi_file));
AFS_GUNLOCK();
if (!afile) {
osi_Panic("osi_UFSOpen: Failed to allocate %d bytes for osi_file.\n",
sizeof(struct osi_file));
}
memset(afile, 0, sizeof(struct osi_file));
filp = &afile->file;
filp->f_dentry = &afile->dentry;
tip = iget(afs_cacheSBp, (u_long) ainode);
if (!tip)
osi_Panic("Can't get inode %d\n", ainode);
FILE_INODE(filp) = tip;
tip->i_flags |= MS_NOATIME; /* Disable updating access times. */
filp->f_flags = O_RDWR;
#if defined(AFS_LINUX24_ENV)
filp->f_mode = FMODE_READ|FMODE_WRITE;
filp->f_op = fops_get(tip->i_fop);
#else
filp->f_op = tip->i_op->default_file_ops;
#endif
if (filp->f_op && filp->f_op->open)
code = filp->f_op->open(tip, filp);
if (code)
osi_Panic("Can't open inode %d\n", ainode);
afile->size = i_size_read(tip);
AFS_GLOCK();
afile->offset = 0;
afile->proc = (int (*)())0;
afile->inum = ainode; /* for hint validity checking */
return (void *)afile;
}
static long afs_unlocked_ioctl(struct file *file, unsigned int cmd,
unsigned long arg) {
return afs_ioctl(FILE_INODE(file), file, cmd, arg);
}
osi_UFSOpen(afs_int32 ainode)
#endif
{
register struct osi_file *afile = NULL;
extern int cacheDiskType;
struct inode *tip = NULL;
struct dentry *dp = NULL;
struct file *filp = NULL;
#if !defined(HAVE_IGET) || defined(LINUX_USE_FH)
struct fid fid;
#endif
AFS_STATCNT(osi_UFSOpen);
if (cacheDiskType != AFS_FCACHE_TYPE_UFS) {
osi_Panic("UFSOpen called for non-UFS cache\n");
}
if (!afs_osicred_initialized) {
/* valid for alpha_osf, SunOS, Ultrix */
memset((char *)&afs_osi_cred, 0, sizeof(struct AFS_UCRED));
crhold(&afs_osi_cred); /* don't let it evaporate, since it is static */
afs_osicred_initialized = 1;
}
afile = (struct osi_file *)osi_AllocLargeSpace(sizeof(struct osi_file));
AFS_GUNLOCK();
if (!afile) {
osi_Panic("osi_UFSOpen: Failed to allocate %d bytes for osi_file.\n",
sizeof(struct osi_file));
}
memset(afile, 0, sizeof(struct osi_file));
#if defined(HAVE_IGET)
tip = iget(afs_cacheSBp, (u_long) ainode);
if (!tip)
osi_Panic("Can't get inode %d\n", ainode);
dp = d_alloc_anon(tip);
#else
#if defined(LINUX_USE_FH)
dp = afs_cacheSBp->s_export_op->fh_to_dentry(afs_cacheSBp, fh, sizeof(struct fid), fh_type);
#else
fid.i32.ino = ainode;
fid.i32.gen = 0;
dp = afs_cacheSBp->s_export_op->fh_to_dentry(afs_cacheSBp, &fid, sizeof(fid), FILEID_INO32_GEN);
#endif
if (!dp)
osi_Panic("Can't get dentry\n");
tip = dp->d_inode;
#endif
tip->i_flags |= MS_NOATIME; /* Disable updating access times. */
#if defined(STRUCT_TASK_HAS_CRED)
filp = dentry_open(dp, mntget(afs_cacheMnt), O_RDWR, current_cred());
#else
filp = dentry_open(dp, mntget(afs_cacheMnt), O_RDWR);
#endif
if (IS_ERR(filp))
#if defined(LINUX_USE_FH)
osi_Panic("Can't open file\n");
#else
osi_Panic("Can't open inode %d\n", ainode);
#endif
afile->filp = filp;
afile->size = i_size_read(FILE_INODE(filp));
AFS_GLOCK();
afile->offset = 0;
afile->proc = (int (*)())0;
#if defined(LINUX_USE_FH)
afile->inum = tip->i_ino; /* for hint validity checking */
#else
afile->inum = ainode; /* for hint validity checking */
#endif
return (void *)afile;
}
