Commits
Zhao Lei committed 78fa1770298
btrfs: Show detail information when mount failed on missing devices When mount failed because missing device, we can see following dmesg: [ 1060.267743] BTRFS: too many missing devices, writeable mount is not allowed [ 1060.273158] BTRFS: open_ctree failed This patch add missing_device_number and tolerated_missing_device_number to above output, to let user know what really happened, and helps bug-report and debug. dmesg after patch: [ 127.050367] BTRFS: missing devices(1) exceeds the limit(0), writeable mount is not allowed [ 127.056099] BTRFS: open_ctree failed Changelog v1->v2: 1: Changed to more clear description, suggested-by: Anand Jain <anand.jain@oracle.com> Suggested-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>