| Message ID | 1460493572-31667-3-git-send-email-toshi.kani@hpe.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
diff --git a/fs/ext2/file.c b/fs/ext2/file.c index c1400b1..f1b8006 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -172,6 +172,9 @@ const struct file_operations ext2_file_operations = { .open = dquot_file_open, .release = ext2_release_file, .fsync = ext2_fsync, +#ifdef CONFIG_FS_DAX + .get_unmapped_area = dax_get_unmapped_area, +#endif .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, };
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: Jan Kara <jack@suse.cz> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: <linux-ext4@vger.kernel.org> --- fs/ext2/file.c | 3 +++ 1 file changed, 3 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html