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authorDarrick J. Wong <darrick.wong@oracle.com>2017-03-28 14:56:37 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2017-04-03 15:18:17 -0700
commite89c041338ed6ef2694e6465ca1ba033e0a2978c (patch)
tree7866a101041335d77127b2258e5759b61d1d1e60 /fs/xfs/xfs_ioctl32.c
parentfb3c3de2f65c007f3ee50538ea131f5c4603c7bc (diff)
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xfs: implement the GETFSMAP ioctl
Introduce a new ioctl that uses the reverse mapping btree to return information about the physical layout of the filesystem. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_ioctl32.c')
-rw-r--r--fs/xfs/xfs_ioctl32.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 7c49938c5aed..fa0bc4d46065 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -20,6 +20,7 @@
#include <linux/mount.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
+#include <linux/fsmap.h>
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_format.h"
@@ -554,6 +555,7 @@ xfs_file_compat_ioctl(
case XFS_IOC_GOINGDOWN:
case XFS_IOC_ERROR_INJECTION:
case XFS_IOC_ERROR_CLEARALL:
+ case FS_IOC_GETFSMAP:
return xfs_file_ioctl(filp, cmd, p);
#ifndef BROKEN_X86_ALIGNMENT
/* These are handled fine if no alignment issues */