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authorGreg Kroah-Hartman <[email protected]>2017-10-09 07:02:35 +0000
committerGreg Kroah-Hartman <[email protected]>2017-10-09 07:02:35 +0000
commit1236d6bb6e19fc72ffc6bbcdeb1bfefe450e54ee (patch)
tree47da3feee8e263e8c9352c85cf518e624be3c211 /fs/btrfs/disk-io.c
parentstaging: irda: au1k_ir.c fix warning: Prefer [subsystem eg: netdev]_info([sub... (diff)
parentLinux 4.14-rc4 (diff)
downloadkernel-1236d6bb6e19fc72ffc6bbcdeb1bfefe450e54ee.tar.gz
kernel-1236d6bb6e19fc72ffc6bbcdeb1bfefe450e54ee.zip
Merge 4.14-rc4 into staging-next
We want the staging/iio fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 487bbe4fb3c6..dfdab849037b 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3643,7 +3643,14 @@ int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
u64 flags;
do_barriers = !btrfs_test_opt(fs_info, NOBARRIER);
- backup_super_roots(fs_info);
+
+ /*
+ * max_mirrors == 0 indicates we're from commit_transaction,
+ * not from fsync where the tree roots in fs_info have not
+ * been consistent on disk.
+ */
+ if (max_mirrors == 0)
+ backup_super_roots(fs_info);
sb = fs_info->super_for_commit;
dev_item = &sb->dev_item;