[PATCH 4.9 05/31] btrfs: define SUPER_FLAG_METADUMP_V2

2018-06-12 Thread Greg Kroah-Hartman 
4.9-stable review patch.  If anyone has any objections, please let me know.

--

From: Anand Jain 

commit e2731e55884f2138a252b0a3d7b24d57e49c3c59 upstream.

btrfs-progs uses super flag bit BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34).
So just define that in kernel so that we know its been used.

Signed-off-by: Anand Jain 
Reviewed-by: David Sterba 
Signed-off-by: David Sterba 
Signed-off-by: Greg Kroah-Hartman 

---
 fs/btrfs/disk-io.c  |3 ++-
 include/uapi/linux/btrfs_tree.h |1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -59,7 +59,8 @@
 BTRFS_HEADER_FLAG_RELOC |\
 BTRFS_SUPER_FLAG_ERROR |\
 BTRFS_SUPER_FLAG_SEEDING |\
-BTRFS_SUPER_FLAG_METADUMP)
+BTRFS_SUPER_FLAG_METADUMP |\
+BTRFS_SUPER_FLAG_METADUMP_V2)
 
 static const struct extent_io_ops btree_extent_io_ops;
 static void end_workqueue_fn(struct btrfs_work *work);
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -452,6 +452,7 @@ struct btrfs_free_space_header {
 
 #define BTRFS_SUPER_FLAG_SEEDING   (1ULL << 32)
 #define BTRFS_SUPER_FLAG_METADUMP  (1ULL << 33)
+#define BTRFS_SUPER_FLAG_METADUMP_V2   (1ULL << 34)
 
 
 /*

[PATCH 4.9 05/31] btrfs: define SUPER_FLAG_METADUMP_V2

2018-06-12 Thread Greg Kroah-Hartman 
4.9-stable review patch.  If anyone has any objections, please let me know.

--

From: Anand Jain 

commit e2731e55884f2138a252b0a3d7b24d57e49c3c59 upstream.

btrfs-progs uses super flag bit BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34).
So just define that in kernel so that we know its been used.

Signed-off-by: Anand Jain 
Reviewed-by: David Sterba 
Signed-off-by: David Sterba 
Signed-off-by: Greg Kroah-Hartman 

---
 fs/btrfs/disk-io.c  |3 ++-
 include/uapi/linux/btrfs_tree.h |1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -59,7 +59,8 @@
 BTRFS_HEADER_FLAG_RELOC |\
 BTRFS_SUPER_FLAG_ERROR |\
 BTRFS_SUPER_FLAG_SEEDING |\
-BTRFS_SUPER_FLAG_METADUMP)
+BTRFS_SUPER_FLAG_METADUMP |\
+BTRFS_SUPER_FLAG_METADUMP_V2)
 
 static const struct extent_io_ops btree_extent_io_ops;
 static void end_workqueue_fn(struct btrfs_work *work);
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -452,6 +452,7 @@ struct btrfs_free_space_header {
 
 #define BTRFS_SUPER_FLAG_SEEDING   (1ULL << 32)
 #define BTRFS_SUPER_FLAG_METADUMP  (1ULL << 33)
+#define BTRFS_SUPER_FLAG_METADUMP_V2   (1ULL << 34)
 
 
 /*