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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-21 22:51:18 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-21 22:51:18 -0400
commit2a5a68b840cbab31baab2d9b2e1e6de3b289ae1e (patch)
tree25b8fc041b4dce6c404ff01b462bc6b58fa7d372 /fs/xfs/linux-2.6/xfs_file.c
parent990a8baf568ca1d0ae65e59783ff821794118d07 (diff)
parente1a40fa907498030b6e432c0dbcb06d7a9f14ee3 (diff)
Merge rsync://oss.sgi.com/git/xfs-2.6
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_file.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_file.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 24fa3b101b93..f1ce4323f56e 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -57,7 +57,9 @@
57#include <linux/smp_lock.h> 57#include <linux/smp_lock.h>
58 58
59static struct vm_operations_struct linvfs_file_vm_ops; 59static struct vm_operations_struct linvfs_file_vm_ops;
60 60#ifdef CONFIG_XFS_DMAPI
61static struct vm_operations_struct linvfs_dmapi_file_vm_ops;
62#endif
61 63
62STATIC inline ssize_t 64STATIC inline ssize_t
63__linvfs_read( 65__linvfs_read(
@@ -388,6 +390,14 @@ done:
388 return -error; 390 return -error;
389} 391}
390 392
393#ifdef CONFIG_XFS_DMAPI
394STATIC void
395linvfs_mmap_close(
396 struct vm_area_struct *vma)
397{
398 xfs_dm_mm_put(vma);
399}
400#endif /* CONFIG_XFS_DMAPI */
391 401
392STATIC int 402STATIC int
393linvfs_file_mmap( 403linvfs_file_mmap(
@@ -399,16 +409,19 @@ linvfs_file_mmap(
399 vattr_t va = { .va_mask = XFS_AT_UPDATIME }; 409 vattr_t va = { .va_mask = XFS_AT_UPDATIME };
400 int error; 410 int error;
401 411
412 vma->vm_ops = &linvfs_file_vm_ops;
413
402 if (vp->v_vfsp->vfs_flag & VFS_DMI) { 414 if (vp->v_vfsp->vfs_flag & VFS_DMI) {
403 xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); 415 xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
404 416
405 error = -XFS_SEND_MMAP(mp, vma, 0); 417 error = -XFS_SEND_MMAP(mp, vma, 0);
406 if (error) 418 if (error)
407 return error; 419 return error;
420#ifdef CONFIG_XFS_DMAPI
421 vma->vm_ops = &linvfs_dmapi_file_vm_ops;
422#endif
408 } 423 }
409 424
410 vma->vm_ops = &linvfs_file_vm_ops;
411
412 VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error); 425 VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
413 if (!error) 426 if (!error)
414 vn_revalidate(vp); /* update Linux inode flags */ 427 vn_revalidate(vp); /* update Linux inode flags */
@@ -609,7 +622,15 @@ struct file_operations linvfs_dir_operations = {
609static struct vm_operations_struct linvfs_file_vm_ops = { 622static struct vm_operations_struct linvfs_file_vm_ops = {
610 .nopage = filemap_nopage, 623 .nopage = filemap_nopage,
611 .populate = filemap_populate, 624 .populate = filemap_populate,
625};
626
627#ifdef CONFIG_XFS_DMAPI
628static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
629 .close = linvfs_mmap_close,
630 .nopage = filemap_nopage,
631 .populate = filemap_populate,
612#ifdef HAVE_VMOP_MPROTECT 632#ifdef HAVE_VMOP_MPROTECT
613 .mprotect = linvfs_mprotect, 633 .mprotect = linvfs_mprotect,
614#endif 634#endif
615}; 635};
636#endif /* CONFIG_XFS_DMAPI */