| Message ID | 1460493572-31667-2-git-send-email-toshi.kani@hpe.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 569938a..51c554b 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1708,6 +1708,9 @@ const struct file_operations xfs_file_operations = { .open = xfs_file_open, .release = xfs_file_release, .fsync = xfs_file_fsync, +#ifdef CONFIG_FS_DAX + .get_unmapped_area = dax_get_unmapped_area, +#endif .fallocate = xfs_file_fallocate, };
To support DAX pmd mappings with unmodified applications, filesystems need to align an mmap address by the pmd size. Call dax_get_unmapped_area() from f_op->get_unmapped_area. Note, there is no change in behavior for a non-DAX file. Signed-off-by: Toshi Kani <toshi.kani@hpe.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: <xfs@oss.sgi.com> --- fs/xfs/xfs_file.c | 3 +++ 1 file changed, 3 insertions(+)