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Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...
[linux-2.6.git] / fs / xfs / linux-2.6 / xfs_file.c
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index c847416..3d4f6df 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -21,7 +21,6 @@
 #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"
@@ -32,7 +31,6 @@
 #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"
@@ -58,15 +56,12 @@ __xfs_file_read(
 {
        struct iovec            iov = {buf, count};
        struct file             *file = iocb->ki_filp;
-       vnode_t                 *vp = vn_from_inode(file->f_dentry->d_inode);
-       ssize_t                 rval;
+       bhv_vnode_t             *vp = vn_from_inode(file->f_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, 1, &iocb->ki_pos, ioflags, NULL);
 }
 
 STATIC ssize_t
@@ -100,15 +95,12 @@ __xfs_file_write(
        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);
-       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, 1, &iocb->ki_pos, ioflags, NULL);
 }
 
 STATIC ssize_t
@@ -140,7 +132,7 @@ __xfs_file_readv(
        loff_t                  *ppos)
 {
        struct inode    *inode = file->f_mapping->host;
-       vnode_t         *vp = vn_from_inode(inode);
+       bhv_vnode_t     *vp = vn_from_inode(inode);
        struct kiocb    kiocb;
        ssize_t         rval;
 
@@ -149,7 +141,8 @@ __xfs_file_readv(
 
        if (unlikely(file->f_flags & O_DIRECT))
                ioflags |= IO_ISDIRECT;
-       VOP_READ(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval);
+       rval = bhv_vop_read(vp, &kiocb, iov, nr_segs,
+                               &kiocb.ki_pos, ioflags, NULL);
 
        *ppos = kiocb.ki_pos;
        return rval;
@@ -184,7 +177,7 @@ __xfs_file_writev(
        loff_t                  *ppos)
 {
        struct inode    *inode = file->f_mapping->host;
-       vnode_t         *vp = vn_from_inode(inode);
+       bhv_vnode_t     *vp = vn_from_inode(inode);
        struct kiocb    kiocb;
        ssize_t         rval;
 
@@ -193,7 +186,8 @@ __xfs_file_writev(
        if (unlikely(file->f_flags & O_DIRECT))
                ioflags |= IO_ISDIRECT;
 
-       VOP_WRITE(vp, &kiocb, iov, nr_segs, &kiocb.ki_pos, ioflags, NULL, rval);
+       rval = bhv_vop_write(vp, &kiocb, iov, nr_segs,
+                                &kiocb.ki_pos, ioflags, NULL);
 
        *ppos = kiocb.ki_pos;
        return rval;
@@ -227,11 +221,8 @@ xfs_file_sendfile(
        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;
+       return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode),
+                               filp, pos, 0, count, actor, target, NULL);
 }
 
 STATIC ssize_t
@@ -242,11 +233,8 @@ xfs_file_sendfile_invis(
        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;
+       return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode),
+                               filp, pos, IO_INVIS, count, actor, target, NULL);
 }
 
 STATIC ssize_t
@@ -257,11 +245,8 @@ xfs_file_splice_read(
        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;
+       return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode),
+                                  infilp, ppos, pipe, len, flags, 0, NULL);
 }
 
 STATIC ssize_t
@@ -272,11 +257,9 @@ xfs_file_splice_read_invis(
        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;
+       return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode),
+                                  infilp, ppos, pipe, len, flags, IO_INVIS,
+                                  NULL);
 }
 
 STATIC ssize_t
@@ -287,11 +270,8 @@ xfs_file_splice_write(
        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, 0, NULL, rval);
-       return rval;
+       return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode),
+                                   pipe, outfilp, ppos, len, flags, 0, NULL);
 }
 
 STATIC ssize_t
@@ -302,11 +282,9 @@ xfs_file_splice_write_invis(
        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;
+       return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode),
+                                   pipe, outfilp, ppos, len, flags, IO_INVIS,
+                                   NULL);
 }
 
 STATIC int
@@ -314,13 +292,18 @@ xfs_file_open(
        struct inode    *inode,
        struct file     *filp)
 {
-       vnode_t         *vp = vn_from_inode(inode);
-       int             error;
-
        if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
                return -EFBIG;
-       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_dentry->d_inode), 0,
+                               file_count(filp) > 1 ? L_FALSE : L_TRUE, NULL);
 }
 
 STATIC int
@@ -328,12 +311,11 @@ xfs_file_release(
        struct inode    *inode,
        struct file     *filp)
 {
-       vnode_t         *vp = vn_from_inode(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
@@ -342,15 +324,14 @@ xfs_file_fsync(
        struct dentry   *dentry,
        int             datasync)
 {
-       struct inode    *inode = dentry->d_inode;
-       vnode_t         *vp = vn_from_inode(inode);
-       int             error;
+       bhv_vnode_t     *vp = vn_from_inode(dentry->d_inode);
        int             flags = FSYNC_WAIT;
 
        if (datasync)
                flags |= FSYNC_DATA;
-       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);
 }
 
 #ifdef CONFIG_XFS_DMAPI
@@ -361,16 +342,11 @@ xfs_vm_nopage(
        int                     *type)
 {
        struct inode    *inode = area->vm_file->f_dentry->d_inode;
-       vnode_t         *vp = vn_from_inode(inode);
-       xfs_mount_t     *mp = XFS_VFSTOM(vp->v_vfsp);
-       int             error;
+       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 */
@@ -382,7 +358,7 @@ xfs_file_readdir(
        filldir_t       filldir)
 {
        int             error = 0;
-       vnode_t         *vp = vn_from_inode(filp->f_dentry->d_inode);
+       bhv_vnode_t     *vp = vn_from_inode(filp->f_dentry->d_inode);
        uio_t           uio;
        iovec_t         iov;
        int             eof = 0;
@@ -417,7 +393,7 @@ xfs_file_readdir(
 
                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;
@@ -456,38 +432,28 @@ xfs_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;
-       int             error;
-
        vma->vm_ops = &xfs_file_vm_ops;
 
 #ifdef CONFIG_XFS_DMAPI
-       if (vp->v_vfsp->vfs_flag & VFS_DMI) {
+       if (vn_from_inode(filp->f_dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI)
                vma->vm_ops = &xfs_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 */
+       file_accessed(filp);
        return 0;
 }
 
-
 STATIC long
 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 = vn_from_inode(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
@@ -503,13 +469,13 @@ STATIC long
 xfs_file_ioctl_invis(
        struct file     *filp,
        unsigned int    cmd,
-       unsigned long   arg)
+       unsigned long   p)
 {
-       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;
+       bhv_vnode_t     *vp = vn_from_inode(inode);
 
-       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
@@ -528,7 +494,7 @@ xfs_vm_mprotect(
        struct vm_area_struct *vma,
        unsigned int    newflags)
 {
-       vnode_t         *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode);
+       bhv_vnode_t     *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode);
        int             error = 0;
 
        if (vp->v_vfsp->vfs_flag & VFS_DMI) {
@@ -554,24 +520,19 @@ STATIC int
 xfs_file_open_exec(
        struct inode    *inode)
 {
-       vnode_t         *vp = vn_from_inode(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 */
 
@@ -592,6 +553,7 @@ const struct file_operations xfs_file_operations = {
 #endif
        .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
@@ -616,6 +578,7 @@ const struct file_operations xfs_invis_file_operations = {
 #endif
        .mmap           = xfs_file_mmap,
        .open           = xfs_file_open,
+       .flush          = xfs_file_close,
        .release        = xfs_file_release,
        .fsync          = xfs_file_fsync,
 };
linux-2.6