#include <linux/dcache.h>
#include <linux/smp_lock.h>
-static struct vm_operations_struct xfs_file_vm_ops;
+static struct vm_operations_struct linvfs_file_vm_ops;
#ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct xfs_dmapi_file_vm_ops;
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops;
#endif
STATIC inline ssize_t
-__xfs_file_read(
+__linvfs_read(
struct kiocb *iocb,
char __user *buf,
int ioflags,
{
struct iovec iov = {buf, count};
struct file *file = iocb->ki_filp;
- vnode_t *vp = vn_from_inode(file->f_dentry->d_inode);
+ vnode_t *vp = LINVFS_GET_VP(file->f_dentry->d_inode);
ssize_t rval;
BUG_ON(iocb->ki_pos != pos);
return rval;
}
+
STATIC ssize_t
-xfs_file_aio_read(
+linvfs_aio_read(
struct kiocb *iocb,
char __user *buf,
size_t count,
loff_t pos)
{
- return __xfs_file_read(iocb, buf, IO_ISAIO, count, pos);
+ return __linvfs_read(iocb, buf, IO_ISAIO, count, pos);
}
STATIC ssize_t
-xfs_file_aio_read_invis(
+linvfs_aio_read_invis(
struct kiocb *iocb,
char __user *buf,
size_t count,
loff_t pos)
{
- return __xfs_file_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
+ return __linvfs_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
}
+
STATIC inline ssize_t
-__xfs_file_write(
+__linvfs_write(
struct kiocb *iocb,
const char __user *buf,
int ioflags,
struct iovec iov = {(void __user *)buf, count};
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
- vnode_t *vp = vn_from_inode(inode);
+ vnode_t *vp = LINVFS_GET_VP(inode);
ssize_t rval;
BUG_ON(iocb->ki_pos != pos);
return rval;
}
+
STATIC ssize_t
-xfs_file_aio_write(
+linvfs_aio_write(
struct kiocb *iocb,
const char __user *buf,
size_t count,
loff_t pos)
{
- return __xfs_file_write(iocb, buf, IO_ISAIO, count, pos);
+ return __linvfs_write(iocb, buf, IO_ISAIO, count, pos);
}
STATIC ssize_t
-xfs_file_aio_write_invis(
+linvfs_aio_write_invis(
struct kiocb *iocb,
const char __user *buf,
size_t count,
loff_t pos)
{
- return __xfs_file_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
+ return __linvfs_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
}
+
STATIC inline ssize_t
-__xfs_file_readv(
+__linvfs_readv(
struct file *file,
const struct iovec *iov,
int ioflags,
loff_t *ppos)
{
struct inode *inode = file->f_mapping->host;
- vnode_t *vp = vn_from_inode(inode);
- struct kiocb kiocb;
+ vnode_t *vp = LINVFS_GET_VP(inode);
+ struct kiocb kiocb;
ssize_t rval;
init_sync_kiocb(&kiocb, file);
}
STATIC ssize_t
-xfs_file_readv(
+linvfs_readv(
struct file *file,
const struct iovec *iov,
unsigned long nr_segs,
loff_t *ppos)
{
- return __xfs_file_readv(file, iov, 0, nr_segs, ppos);
+ return __linvfs_readv(file, iov, 0, nr_segs, ppos);
}
STATIC ssize_t
-xfs_file_readv_invis(
+linvfs_readv_invis(
struct file *file,
const struct iovec *iov,
unsigned long nr_segs,
loff_t *ppos)
{
- return __xfs_file_readv(file, iov, IO_INVIS, nr_segs, ppos);
+ return __linvfs_readv(file, iov, IO_INVIS, nr_segs, ppos);
}
+
STATIC inline ssize_t
-__xfs_file_writev(
+__linvfs_writev(
struct file *file,
const struct iovec *iov,
int ioflags,
loff_t *ppos)
{
struct inode *inode = file->f_mapping->host;
- vnode_t *vp = vn_from_inode(inode);
- struct kiocb kiocb;
+ vnode_t *vp = LINVFS_GET_VP(inode);
+ struct kiocb kiocb;
ssize_t rval;
init_sync_kiocb(&kiocb, file);
return rval;
}
+
STATIC ssize_t
-xfs_file_writev(
+linvfs_writev(
struct file *file,
const struct iovec *iov,
unsigned long nr_segs,
loff_t *ppos)
{
- return __xfs_file_writev(file, iov, 0, nr_segs, ppos);
+ return __linvfs_writev(file, iov, 0, nr_segs, ppos);
}
STATIC ssize_t
-xfs_file_writev_invis(
+linvfs_writev_invis(
struct file *file,
const struct iovec *iov,
unsigned long nr_segs,
loff_t *ppos)
{
- return __xfs_file_writev(file, iov, IO_INVIS, nr_segs, ppos);
+ return __linvfs_writev(file, iov, IO_INVIS, nr_segs, ppos);
}
STATIC ssize_t
-xfs_file_sendfile(
+linvfs_sendfile(
struct file *filp,
- loff_t *pos,
- size_t count,
- read_actor_t actor,
- void *target)
-{
- vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode);
- ssize_t rval;
-
- VOP_SENDFILE(vp, filp, pos, 0, count, actor, target, NULL, rval);
- return rval;
-}
-
-STATIC ssize_t
-xfs_file_sendfile_invis(
- struct file *filp,
- loff_t *pos,
+ loff_t *ppos,
size_t count,
read_actor_t actor,
void *target)
{
- vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode);
- ssize_t rval;
-
- VOP_SENDFILE(vp, filp, pos, IO_INVIS, count, actor, target, NULL, rval);
- return rval;
-}
-
-STATIC ssize_t
-xfs_file_splice_read(
- struct file *infilp,
- loff_t *ppos,
- struct pipe_inode_info *pipe,
- size_t len,
- unsigned int flags)
-{
- vnode_t *vp = vn_from_inode(infilp->f_dentry->d_inode);
- ssize_t rval;
-
- VOP_SPLICE_READ(vp, infilp, ppos, pipe, len, flags, 0, NULL, rval);
- return rval;
-}
-
-STATIC ssize_t
-xfs_file_splice_read_invis(
- struct file *infilp,
- loff_t *ppos,
- struct pipe_inode_info *pipe,
- size_t len,
- unsigned int flags)
-{
- vnode_t *vp = vn_from_inode(infilp->f_dentry->d_inode);
- ssize_t rval;
-
- VOP_SPLICE_READ(vp, infilp, ppos, pipe, len, flags, IO_INVIS, NULL, rval);
- return rval;
-}
-
-STATIC ssize_t
-xfs_file_splice_write(
- struct pipe_inode_info *pipe,
- struct file *outfilp,
- loff_t *ppos,
- size_t len,
- unsigned int flags)
-{
- vnode_t *vp = vn_from_inode(outfilp->f_dentry->d_inode);
+ vnode_t *vp = LINVFS_GET_VP(filp->f_dentry->d_inode);
ssize_t rval;
- VOP_SPLICE_WRITE(vp, pipe, outfilp, ppos, len, flags, 0, NULL, rval);
+ VOP_SENDFILE(vp, filp, ppos, 0, count, actor, target, NULL, rval);
return rval;
}
-STATIC ssize_t
-xfs_file_splice_write_invis(
- struct pipe_inode_info *pipe,
- struct file *outfilp,
- loff_t *ppos,
- size_t len,
- unsigned int flags)
-{
- vnode_t *vp = vn_from_inode(outfilp->f_dentry->d_inode);
- ssize_t rval;
-
- VOP_SPLICE_WRITE(vp, pipe, outfilp, ppos, len, flags, IO_INVIS, NULL, rval);
- return rval;
-}
STATIC int
-xfs_file_open(
+linvfs_open(
struct inode *inode,
struct file *filp)
{
- vnode_t *vp = vn_from_inode(inode);
+ vnode_t *vp = LINVFS_GET_VP(inode);
int error;
if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
return -EFBIG;
+
+ ASSERT(vp);
VOP_OPEN(vp, NULL, error);
return -error;
}
+
STATIC int
-xfs_file_release(
+linvfs_release(
struct inode *inode,
struct file *filp)
{
- vnode_t *vp = vn_from_inode(inode);
+ vnode_t *vp = LINVFS_GET_VP(inode);
int error = 0;
if (vp)
return -error;
}
+
STATIC int
-xfs_file_fsync(
+linvfs_fsync(
struct file *filp,
struct dentry *dentry,
int datasync)
{
struct inode *inode = dentry->d_inode;
- vnode_t *vp = vn_from_inode(inode);
+ vnode_t *vp = LINVFS_GET_VP(inode);
int error;
int flags = FSYNC_WAIT;
if (datasync)
flags |= FSYNC_DATA;
+
+ ASSERT(vp);
VOP_FSYNC(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1, error);
return -error;
}
+/*
+ * linvfs_readdir maps to VOP_READDIR().
+ * We need to build a uio, cred, ...
+ */
+
+#define nextdp(dp) ((struct xfs_dirent *)((char *)(dp) + (dp)->d_reclen))
+
#ifdef CONFIG_XFS_DMAPI
+
STATIC struct page *
-xfs_vm_nopage(
+linvfs_filemap_nopage(
struct vm_area_struct *area,
unsigned long address,
int *type)
{
struct inode *inode = area->vm_file->f_dentry->d_inode;
- vnode_t *vp = vn_from_inode(inode);
+ vnode_t *vp = LINVFS_GET_VP(inode);
xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
int error;
return filemap_nopage(area, address, type);
}
+
#endif /* CONFIG_XFS_DMAPI */
+
STATIC int
-xfs_file_readdir(
+linvfs_readdir(
struct file *filp,
void *dirent,
filldir_t filldir)
{
int error = 0;
- vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode);
+ vnode_t *vp;
uio_t uio;
iovec_t iov;
int eof = 0;
xfs_off_t start_offset, curr_offset;
xfs_dirent_t *dbp = NULL;
+ vp = LINVFS_GET_VP(filp->f_dentry->d_inode);
+ ASSERT(vp);
+
/* Try fairly hard to get memory */
do {
if ((read_buf = (caddr_t)kmalloc(rlen, GFP_KERNEL)))
}
size -= dbp->d_reclen;
curr_offset = (loff_t)dbp->d_off /* & 0x7fffffff */;
- dbp = (xfs_dirent_t *)((char *)dbp + dbp->d_reclen);
+ dbp = nextdp(dbp);
}
}
done:
return -error;
}
+
STATIC int
-xfs_file_mmap(
+linvfs_file_mmap(
struct file *filp,
struct vm_area_struct *vma)
{
struct inode *ip = filp->f_dentry->d_inode;
- vnode_t *vp = vn_from_inode(ip);
- vattr_t vattr;
+ vnode_t *vp = LINVFS_GET_VP(ip);
+ vattr_t va = { .va_mask = XFS_AT_UPDATIME };
int error;
- vma->vm_ops = &xfs_file_vm_ops;
+ vma->vm_ops = &linvfs_file_vm_ops;
#ifdef CONFIG_XFS_DMAPI
if (vp->v_vfsp->vfs_flag & VFS_DMI) {
- vma->vm_ops = &xfs_dmapi_file_vm_ops;
+ vma->vm_ops = &linvfs_dmapi_file_vm_ops;
}
#endif /* CONFIG_XFS_DMAPI */
- vattr.va_mask = XFS_AT_UPDATIME;
- VOP_SETATTR(vp, &vattr, XFS_AT_UPDATIME, NULL, error);
- if (likely(!error))
- __vn_revalidate(vp, &vattr); /* update flags */
+ VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
+ if (!error)
+ vn_revalidate(vp); /* update Linux inode flags */
return 0;
}
STATIC long
-xfs_file_ioctl(
+linvfs_ioctl(
struct file *filp,
unsigned int cmd,
unsigned long arg)
{
int error;
- struct inode *inode = filp->f_dentry->d_inode;
- vnode_t *vp = vn_from_inode(inode);
+ struct inode *inode = filp->f_dentry->d_inode;
+ vnode_t *vp = LINVFS_GET_VP(inode);
VOP_IOCTL(vp, inode, filp, 0, cmd, (void __user *)arg, error);
VMODIFY(vp);
}
STATIC long
-xfs_file_ioctl_invis(
+linvfs_ioctl_invis(
struct file *filp,
unsigned int cmd,
unsigned long arg)
{
- struct inode *inode = filp->f_dentry->d_inode;
- vnode_t *vp = vn_from_inode(inode);
int error;
+ struct inode *inode = filp->f_dentry->d_inode;
+ vnode_t *vp = LINVFS_GET_VP(inode);
+ ASSERT(vp);
VOP_IOCTL(vp, inode, filp, IO_INVIS, cmd, (void __user *)arg, error);
VMODIFY(vp);
#ifdef CONFIG_XFS_DMAPI
#ifdef HAVE_VMOP_MPROTECT
STATIC int
-xfs_vm_mprotect(
+linvfs_mprotect(
struct vm_area_struct *vma,
unsigned int newflags)
{
- vnode_t *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode);
+ vnode_t *vp = LINVFS_GET_VP(vma->vm_file->f_dentry->d_inode);
int error = 0;
if (vp->v_vfsp->vfs_flag & VFS_DMI) {
* it back online.
*/
STATIC int
-xfs_file_open_exec(
+linvfs_open_exec(
struct inode *inode)
{
- vnode_t *vp = vn_from_inode(inode);
+ vnode_t *vp = LINVFS_GET_VP(inode);
xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
int error = 0;
xfs_inode_t *ip;
}
#endif /* HAVE_FOP_OPEN_EXEC */
-const struct file_operations xfs_file_operations = {
+struct file_operations linvfs_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
- .readv = xfs_file_readv,
- .writev = xfs_file_writev,
- .aio_read = xfs_file_aio_read,
- .aio_write = xfs_file_aio_write,
- .sendfile = xfs_file_sendfile,
- .splice_read = xfs_file_splice_read,
- .splice_write = xfs_file_splice_write,
- .unlocked_ioctl = xfs_file_ioctl,
+ .readv = linvfs_readv,
+ .writev = linvfs_writev,
+ .aio_read = linvfs_aio_read,
+ .aio_write = linvfs_aio_write,
+ .sendfile = linvfs_sendfile,
+ .unlocked_ioctl = linvfs_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = xfs_file_compat_ioctl,
+ .compat_ioctl = linvfs_compat_ioctl,
#endif
- .mmap = xfs_file_mmap,
- .open = xfs_file_open,
- .release = xfs_file_release,
- .fsync = xfs_file_fsync,
+ .mmap = linvfs_file_mmap,
+ .open = linvfs_open,
+ .release = linvfs_release,
+ .fsync = linvfs_fsync,
#ifdef HAVE_FOP_OPEN_EXEC
- .open_exec = xfs_file_open_exec,
+ .open_exec = linvfs_open_exec,
#endif
};
-const struct file_operations xfs_invis_file_operations = {
+struct file_operations linvfs_invis_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
- .readv = xfs_file_readv_invis,
- .writev = xfs_file_writev_invis,
- .aio_read = xfs_file_aio_read_invis,
- .aio_write = xfs_file_aio_write_invis,
- .sendfile = xfs_file_sendfile_invis,
- .splice_read = xfs_file_splice_read_invis,
- .splice_write = xfs_file_splice_write_invis,
- .unlocked_ioctl = xfs_file_ioctl_invis,
+ .readv = linvfs_readv_invis,
+ .writev = linvfs_writev_invis,
+ .aio_read = linvfs_aio_read_invis,
+ .aio_write = linvfs_aio_write_invis,
+ .sendfile = linvfs_sendfile,
+ .unlocked_ioctl = linvfs_ioctl_invis,
#ifdef CONFIG_COMPAT
- .compat_ioctl = xfs_file_compat_invis_ioctl,
+ .compat_ioctl = linvfs_compat_invis_ioctl,
#endif
- .mmap = xfs_file_mmap,
- .open = xfs_file_open,
- .release = xfs_file_release,
- .fsync = xfs_file_fsync,
+ .mmap = linvfs_file_mmap,
+ .open = linvfs_open,
+ .release = linvfs_release,
+ .fsync = linvfs_fsync,
};
-const struct file_operations xfs_dir_file_operations = {
+struct file_operations linvfs_dir_operations = {
.read = generic_read_dir,
- .readdir = xfs_file_readdir,
- .unlocked_ioctl = xfs_file_ioctl,
+ .readdir = linvfs_readdir,
+ .unlocked_ioctl = linvfs_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = xfs_file_compat_ioctl,
+ .compat_ioctl = linvfs_compat_ioctl,
#endif
- .fsync = xfs_file_fsync,
+ .fsync = linvfs_fsync,
};
-static struct vm_operations_struct xfs_file_vm_ops = {
+static struct vm_operations_struct linvfs_file_vm_ops = {
.nopage = filemap_nopage,
.populate = filemap_populate,
};
#ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct xfs_dmapi_file_vm_ops = {
- .nopage = xfs_vm_nopage,
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
+ .nopage = linvfs_filemap_nopage,
.populate = filemap_populate,
#ifdef HAVE_VMOP_MPROTECT
- .mprotect = xfs_vm_mprotect,
+ .mprotect = linvfs_mprotect,
#endif
};
#endif /* CONFIG_XFS_DMAPI */
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