[XFS] coordinate mmap calls with xfs_dm_punch_hole
SGI-PV: 933551
SGI-Modid: xfs-linux:xfs-kern:190622a
Signed-off-by: Dean Roehrich <roehrich@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 24fa3b1..f1ce432 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -57,7 +57,9 @@
#include <linux/smp_lock.h>
static struct vm_operations_struct linvfs_file_vm_ops;
-
+#ifdef CONFIG_XFS_DMAPI
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops;
+#endif
STATIC inline ssize_t
__linvfs_read(
@@ -388,6 +390,14 @@
return -error;
}
+#ifdef CONFIG_XFS_DMAPI
+STATIC void
+linvfs_mmap_close(
+ struct vm_area_struct *vma)
+{
+ xfs_dm_mm_put(vma);
+}
+#endif /* CONFIG_XFS_DMAPI */
STATIC int
linvfs_file_mmap(
@@ -399,16 +409,19 @@
vattr_t va = { .va_mask = XFS_AT_UPDATIME };
int error;
+ vma->vm_ops = &linvfs_file_vm_ops;
+
if (vp->v_vfsp->vfs_flag & VFS_DMI) {
xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
error = -XFS_SEND_MMAP(mp, vma, 0);
if (error)
return error;
+#ifdef CONFIG_XFS_DMAPI
+ vma->vm_ops = &linvfs_dmapi_file_vm_ops;
+#endif
}
- vma->vm_ops = &linvfs_file_vm_ops;
-
VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
if (!error)
vn_revalidate(vp); /* update Linux inode flags */
@@ -609,7 +622,15 @@
static struct vm_operations_struct linvfs_file_vm_ops = {
.nopage = filemap_nopage,
.populate = filemap_populate,
+};
+
+#ifdef CONFIG_XFS_DMAPI
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
+ .close = linvfs_mmap_close,
+ .nopage = filemap_nopage,
+ .populate = filemap_populate,
#ifdef HAVE_VMOP_MPROTECT
.mprotect = linvfs_mprotect,
#endif
};
+#endif /* CONFIG_XFS_DMAPI */