#include "xfs_inum.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_trans.h"
#include "xfs_dmapi.h"
#include "xfs_alloc.h"
#include "xfs_btree.h"
#include "xfs_attr_sf.h"
-#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include <linux/dcache.h>
#include <linux/smp_lock.h>
-static struct vm_operations_struct linvfs_file_vm_ops;
+static struct vm_operations_struct xfs_file_vm_ops;
#ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct linvfs_dmapi_file_vm_ops;
+static struct vm_operations_struct xfs_dmapi_file_vm_ops;
#endif
STATIC inline ssize_t
-__linvfs_read(
+__xfs_file_read(
struct kiocb *iocb,
- char __user *buf,
+ const struct iovec *iov,
+ unsigned long nr_segs,
int ioflags,
- size_t count,
loff_t pos)
{
- struct iovec iov = {buf, count};
struct file *file = iocb->ki_filp;
- vnode_t *vp = LINVFS_GET_VP(file->f_dentry->d_inode);
- ssize_t rval;
+ bhv_vnode_t *vp = vn_from_inode(file->f_path.dentry->d_inode);
BUG_ON(iocb->ki_pos != pos);
-
if (unlikely(file->f_flags & O_DIRECT))
ioflags |= IO_ISDIRECT;
- VOP_READ(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval);
- return rval;
+ return bhv_vop_read(vp, iocb, iov, nr_segs, &iocb->ki_pos,
+ ioflags, NULL);
}
-
STATIC ssize_t
-linvfs_aio_read(
+xfs_file_aio_read(
struct kiocb *iocb,
- char __user *buf,
- size_t count,
+ const struct iovec *iov,
+ unsigned long nr_segs,
loff_t pos)
{
- return __linvfs_read(iocb, buf, IO_ISAIO, count, pos);
+ return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO, pos);
}
STATIC ssize_t
-linvfs_aio_read_invis(
+xfs_file_aio_read_invis(
struct kiocb *iocb,
- char __user *buf,
- size_t count,
+ const struct iovec *iov,
+ unsigned long nr_segs,
loff_t pos)
{
- return __linvfs_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
+ return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
}
-
STATIC inline ssize_t
-__linvfs_write(
- struct kiocb *iocb,
- const char __user *buf,
- int ioflags,
- size_t count,
- loff_t pos)
+__xfs_file_write(
+ struct kiocb *iocb,
+ const struct iovec *iov,
+ unsigned long nr_segs,
+ int ioflags,
+ loff_t pos)
{
- struct iovec iov = {(void __user *)buf, count};
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
- vnode_t *vp = LINVFS_GET_VP(inode);
- ssize_t rval;
+ bhv_vnode_t *vp = vn_from_inode(inode);
BUG_ON(iocb->ki_pos != pos);
if (unlikely(file->f_flags & O_DIRECT))
ioflags |= IO_ISDIRECT;
-
- VOP_WRITE(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL, rval);
- return rval;
+ return bhv_vop_write(vp, iocb, iov, nr_segs, &iocb->ki_pos,
+ ioflags, NULL);
}
-
STATIC ssize_t
-linvfs_aio_write(
+xfs_file_aio_write(
struct kiocb *iocb,
- const char __user *buf,
- size_t count,
+ const struct iovec *iov,
+ unsigned long nr_segs,
loff_t pos)
{
- return __linvfs_write(iocb, buf, IO_ISAIO, count, pos);
+ return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO, pos);
}
STATIC ssize_t
-linvfs_aio_write_invis(
+xfs_file_aio_write_invis(
struct kiocb *iocb,
- const char __user *buf,
- size_t count,
- loff_t pos)
-{
- return __linvfs_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
-}
-
-
-STATIC inline ssize_t
-__linvfs_readv(
- struct file *file,
- const struct iovec *iov,
- int ioflags,
+ const struct iovec *iov,
unsigned long nr_segs,
- loff_t *ppos)
+ loff_t pos)
{
- struct inode *inode = file->f_mapping->host;
- vnode_t *vp = LINVFS_GET_VP(inode);
- struct kiocb kiocb;
- ssize_t rval;
-
- init_sync_kiocb(&kiocb, file);
- kiocb.ki_pos = *ppos;
-
- if (unlikely(file->f_flags & O_DIRECT))
- ioflags |= IO_ISDIRECT;
- VOP_READ(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval);
-
- *ppos = kiocb.ki_pos;
- return rval;
+ return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
}
STATIC ssize_t
-linvfs_readv(
- struct file *file,
- const struct iovec *iov,
- unsigned long nr_segs,
- loff_t *ppos)
+xfs_file_sendfile(
+ struct file *filp,
+ loff_t *pos,
+ size_t count,
+ read_actor_t actor,
+ void *target)
{
- return __linvfs_readv(file, iov, 0, nr_segs, ppos);
+ return bhv_vop_sendfile(vn_from_inode(filp->f_path.dentry->d_inode),
+ filp, pos, 0, count, actor, target, NULL);
}
STATIC ssize_t
-linvfs_readv_invis(
- struct file *file,
- const struct iovec *iov,
- unsigned long nr_segs,
- loff_t *ppos)
+xfs_file_sendfile_invis(
+ struct file *filp,
+ loff_t *pos,
+ size_t count,
+ read_actor_t actor,
+ void *target)
{
- return __linvfs_readv(file, iov, IO_INVIS, nr_segs, ppos);
+ return bhv_vop_sendfile(vn_from_inode(filp->f_path.dentry->d_inode),
+ filp, pos, IO_INVIS, count, actor, target, NULL);
}
-
-STATIC inline ssize_t
-__linvfs_writev(
- struct file *file,
- const struct iovec *iov,
- int ioflags,
- unsigned long nr_segs,
- loff_t *ppos)
+STATIC ssize_t
+xfs_file_splice_read(
+ struct file *infilp,
+ loff_t *ppos,
+ struct pipe_inode_info *pipe,
+ size_t len,
+ unsigned int flags)
{
- struct inode *inode = file->f_mapping->host;
- vnode_t *vp = LINVFS_GET_VP(inode);
- struct kiocb kiocb;
- ssize_t rval;
-
- init_sync_kiocb(&kiocb, file);
- kiocb.ki_pos = *ppos;
- if (unlikely(file->f_flags & O_DIRECT))
- ioflags |= IO_ISDIRECT;
-
- VOP_WRITE(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval);
-
- *ppos = kiocb.ki_pos;
- return rval;
+ return bhv_vop_splice_read(vn_from_inode(infilp->f_path.dentry->d_inode),
+ infilp, ppos, pipe, len, flags, 0, NULL);
}
-
STATIC ssize_t
-linvfs_writev(
- struct file *file,
- const struct iovec *iov,
- unsigned long nr_segs,
- loff_t *ppos)
+xfs_file_splice_read_invis(
+ struct file *infilp,
+ loff_t *ppos,
+ struct pipe_inode_info *pipe,
+ size_t len,
+ unsigned int flags)
{
- return __linvfs_writev(file, iov, 0, nr_segs, ppos);
+ return bhv_vop_splice_read(vn_from_inode(infilp->f_path.dentry->d_inode),
+ infilp, ppos, pipe, len, flags, IO_INVIS,
+ NULL);
}
STATIC ssize_t
-linvfs_writev_invis(
- struct file *file,
- const struct iovec *iov,
- unsigned long nr_segs,
- loff_t *ppos)
+xfs_file_splice_write(
+ struct pipe_inode_info *pipe,
+ struct file *outfilp,
+ loff_t *ppos,
+ size_t len,
+ unsigned int flags)
{
- return __linvfs_writev(file, iov, IO_INVIS, nr_segs, ppos);
+ return bhv_vop_splice_write(vn_from_inode(outfilp->f_path.dentry->d_inode),
+ pipe, outfilp, ppos, len, flags, 0, NULL);
}
STATIC ssize_t
-linvfs_sendfile(
- struct file *filp,
+xfs_file_splice_write_invis(
+ struct pipe_inode_info *pipe,
+ struct file *outfilp,
loff_t *ppos,
- size_t count,
- read_actor_t actor,
- void *target)
+ size_t len,
+ unsigned int flags)
{
- vnode_t *vp = LINVFS_GET_VP(filp->f_dentry->d_inode);
- ssize_t rval;
-
- VOP_SENDFILE(vp, filp, ppos, 0, count, actor, target, NULL, rval);
- return rval;
+ return bhv_vop_splice_write(vn_from_inode(outfilp->f_path.dentry->d_inode),
+ pipe, outfilp, ppos, len, flags, IO_INVIS,
+ NULL);
}
-
STATIC int
-linvfs_open(
+xfs_file_open(
struct inode *inode,
struct file *filp)
{
- 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;
+ return -bhv_vop_open(vn_from_inode(inode), NULL);
}
+STATIC int
+xfs_file_close(
+ struct file *filp,
+ fl_owner_t id)
+{
+ return -bhv_vop_close(vn_from_inode(filp->f_path.dentry->d_inode), 0,
+ file_count(filp) > 1 ? L_FALSE : L_TRUE, NULL);
+}
STATIC int
-linvfs_release(
+xfs_file_release(
struct inode *inode,
struct file *filp)
{
- vnode_t *vp = LINVFS_GET_VP(inode);
- int error = 0;
+ bhv_vnode_t *vp = vn_from_inode(inode);
if (vp)
- VOP_RELEASE(vp, error);
- return -error;
+ return -bhv_vop_release(vp);
+ return 0;
}
-
STATIC int
-linvfs_fsync(
+xfs_file_fsync(
struct file *filp,
struct dentry *dentry,
int datasync)
{
- struct inode *inode = dentry->d_inode;
- vnode_t *vp = LINVFS_GET_VP(inode);
- int error;
+ bhv_vnode_t *vp = vn_from_inode(dentry->d_inode);
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;
+ if (VN_TRUNC(vp))
+ VUNTRUNCATE(vp);
+ return -bhv_vop_fsync(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1);
}
-/*
- * 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 *
-linvfs_filemap_nopage(
+xfs_vm_nopage(
struct vm_area_struct *area,
unsigned long address,
int *type)
{
- struct inode *inode = area->vm_file->f_dentry->d_inode;
- vnode_t *vp = LINVFS_GET_VP(inode);
- xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
- int error;
+ struct inode *inode = area->vm_file->f_path.dentry->d_inode;
+ bhv_vnode_t *vp = vn_from_inode(inode);
ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI);
-
- error = XFS_SEND_MMAP(mp, area, 0);
- if (error)
+ if (XFS_SEND_MMAP(XFS_VFSTOM(vp->v_vfsp), area, 0))
return NULL;
-
return filemap_nopage(area, address, type);
}
-
#endif /* CONFIG_XFS_DMAPI */
-
STATIC int
-linvfs_readdir(
+xfs_file_readdir(
struct file *filp,
void *dirent,
filldir_t filldir)
{
int error = 0;
- vnode_t *vp;
+ bhv_vnode_t *vp = vn_from_inode(filp->f_path.dentry->d_inode);
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)))
+ if ((read_buf = kmalloc(rlen, GFP_KERNEL)))
break;
rlen >>= 1;
} while (rlen >= 1024);
start_offset = uio.uio_offset;
- VOP_READDIR(vp, &uio, NULL, &eof, error);
+ error = bhv_vop_readdir(vp, &uio, NULL, &eof);
if ((uio.uio_offset == start_offset) || error) {
size = 0;
break;
}
size -= dbp->d_reclen;
curr_offset = (loff_t)dbp->d_off /* & 0x7fffffff */;
- dbp = nextdp(dbp);
+ dbp = (xfs_dirent_t *)((char *)dbp + dbp->d_reclen);
}
}
done:
return -error;
}
-
STATIC int
-linvfs_file_mmap(
+xfs_file_mmap(
struct file *filp,
struct vm_area_struct *vma)
{
- struct inode *ip = filp->f_dentry->d_inode;
- vnode_t *vp = LINVFS_GET_VP(ip);
- vattr_t va = { .va_mask = XFS_AT_UPDATIME };
- int error;
-
- vma->vm_ops = &linvfs_file_vm_ops;
+ vma->vm_ops = &xfs_file_vm_ops;
#ifdef CONFIG_XFS_DMAPI
- if (vp->v_vfsp->vfs_flag & VFS_DMI) {
- vma->vm_ops = &linvfs_dmapi_file_vm_ops;
- }
+ if (vn_from_inode(filp->f_path.dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI)
+ vma->vm_ops = &xfs_dmapi_file_vm_ops;
#endif /* CONFIG_XFS_DMAPI */
- VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
- if (!error)
- vn_revalidate(vp); /* update Linux inode flags */
+ file_accessed(filp);
return 0;
}
-
STATIC long
-linvfs_ioctl(
+xfs_file_ioctl(
struct file *filp,
unsigned int cmd,
- unsigned long arg)
+ unsigned long p)
{
int error;
- struct inode *inode = filp->f_dentry->d_inode;
- vnode_t *vp = LINVFS_GET_VP(inode);
+ struct inode *inode = filp->f_path.dentry->d_inode;
+ bhv_vnode_t *vp = vn_from_inode(inode);
- VOP_IOCTL(vp, inode, filp, 0, cmd, (void __user *)arg, error);
+ error = bhv_vop_ioctl(vp, inode, filp, 0, cmd, (void __user *)p);
VMODIFY(vp);
/* NOTE: some of the ioctl's return positive #'s as a
}
STATIC long
-linvfs_ioctl_invis(
+xfs_file_ioctl_invis(
struct file *filp,
unsigned int cmd,
- unsigned long arg)
+ unsigned long p)
{
int error;
- struct inode *inode = filp->f_dentry->d_inode;
- vnode_t *vp = LINVFS_GET_VP(inode);
+ struct inode *inode = filp->f_path.dentry->d_inode;
+ bhv_vnode_t *vp = vn_from_inode(inode);
- ASSERT(vp);
- VOP_IOCTL(vp, inode, filp, IO_INVIS, cmd, (void __user *)arg, error);
+ error = bhv_vop_ioctl(vp, inode, filp, IO_INVIS, cmd, (void __user *)p);
VMODIFY(vp);
/* NOTE: some of the ioctl's return positive #'s as a
#ifdef CONFIG_XFS_DMAPI
#ifdef HAVE_VMOP_MPROTECT
STATIC int
-linvfs_mprotect(
+xfs_vm_mprotect(
struct vm_area_struct *vma,
unsigned int newflags)
{
- vnode_t *vp = LINVFS_GET_VP(vma->vm_file->f_dentry->d_inode);
+ bhv_vnode_t *vp = vn_from_inode(vma->vm_file->f_path.dentry->d_inode);
int error = 0;
if (vp->v_vfsp->vfs_flag & VFS_DMI) {
* it back online.
*/
STATIC int
-linvfs_open_exec(
+xfs_file_open_exec(
struct 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;
+ bhv_vnode_t *vp = vn_from_inode(inode);
- if (vp->v_vfsp->vfs_flag & VFS_DMI) {
- ip = xfs_vtoi(vp);
- if (!ip) {
- error = -EINVAL;
- goto open_exec_out;
- }
- if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) {
- error = -XFS_SEND_DATA(mp, DM_EVENT_READ, vp,
+ if (unlikely(vp->v_vfsp->vfs_flag & VFS_DMI)) {
+ xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
+ xfs_inode_t *ip = xfs_vtoi(vp);
+
+ if (!ip)
+ return -EINVAL;
+ if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ))
+ return -XFS_SEND_DATA(mp, DM_EVENT_READ, vp,
0, 0, 0, NULL);
- }
}
-open_exec_out:
- return error;
+ return 0;
}
#endif /* HAVE_FOP_OPEN_EXEC */
-struct file_operations linvfs_file_operations = {
+const struct file_operations xfs_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
- .readv = linvfs_readv,
- .writev = linvfs_writev,
- .aio_read = linvfs_aio_read,
- .aio_write = linvfs_aio_write,
- .sendfile = linvfs_sendfile,
- .unlocked_ioctl = linvfs_ioctl,
+ .aio_read = xfs_file_aio_read,
+ .aio_write = xfs_file_aio_write,
+ .sendfile = xfs_file_sendfile,
+ .sendpage = generic_file_sendpage,
+ .splice_read = xfs_file_splice_read,
+ .splice_write = xfs_file_splice_write,
+ .unlocked_ioctl = xfs_file_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = linvfs_compat_ioctl,
+ .compat_ioctl = xfs_file_compat_ioctl,
#endif
- .mmap = linvfs_file_mmap,
- .open = linvfs_open,
- .release = linvfs_release,
- .fsync = linvfs_fsync,
+ .mmap = xfs_file_mmap,
+ .open = xfs_file_open,
+ .flush = xfs_file_close,
+ .release = xfs_file_release,
+ .fsync = xfs_file_fsync,
#ifdef HAVE_FOP_OPEN_EXEC
- .open_exec = linvfs_open_exec,
+ .open_exec = xfs_file_open_exec,
#endif
};
-struct file_operations linvfs_invis_file_operations = {
+const struct file_operations xfs_invis_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
.write = do_sync_write,
- .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,
+ .aio_read = xfs_file_aio_read_invis,
+ .aio_write = xfs_file_aio_write_invis,
+ .sendfile = xfs_file_sendfile_invis,
+ .sendpage = generic_file_sendpage,
+ .splice_read = xfs_file_splice_read_invis,
+ .splice_write = xfs_file_splice_write_invis,
+ .unlocked_ioctl = xfs_file_ioctl_invis,
#ifdef CONFIG_COMPAT
- .compat_ioctl = linvfs_compat_invis_ioctl,
+ .compat_ioctl = xfs_file_compat_invis_ioctl,
#endif
- .mmap = linvfs_file_mmap,
- .open = linvfs_open,
- .release = linvfs_release,
- .fsync = linvfs_fsync,
+ .mmap = xfs_file_mmap,
+ .open = xfs_file_open,
+ .flush = xfs_file_close,
+ .release = xfs_file_release,
+ .fsync = xfs_file_fsync,
};
-struct file_operations linvfs_dir_operations = {
+const struct file_operations xfs_dir_file_operations = {
.read = generic_read_dir,
- .readdir = linvfs_readdir,
- .unlocked_ioctl = linvfs_ioctl,
+ .readdir = xfs_file_readdir,
+ .unlocked_ioctl = xfs_file_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = linvfs_compat_ioctl,
+ .compat_ioctl = xfs_file_compat_ioctl,
#endif
- .fsync = linvfs_fsync,
+ .fsync = xfs_file_fsync,
};
-static struct vm_operations_struct linvfs_file_vm_ops = {
+static struct vm_operations_struct xfs_file_vm_ops = {
.nopage = filemap_nopage,
.populate = filemap_populate,
};
#ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
- .nopage = linvfs_filemap_nopage,
+static struct vm_operations_struct xfs_dmapi_file_vm_ops = {
+ .nopage = xfs_vm_nopage,
.populate = filemap_populate,
#ifdef HAVE_VMOP_MPROTECT
- .mprotect = linvfs_mprotect,
+ .mprotect = xfs_vm_mprotect,
#endif
};
#endif /* CONFIG_XFS_DMAPI */
git://git.onelab.eu / linux-2.6.git / blobdiff