[PATCH 4.9 03/72] xfs: only update mount/resv fields on success in __xfs_ag_resv_init

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Christoph Hellwig commit 4dfa2b84118fd6c95202ae87e62adf5000ccd4d0 upstream. Try to reserve the blocks first and only then update the fields in or hanging off the mount structure.

[PATCH 4.9 03/72] xfs: only update mount/resv fields on success in __xfs_ag_resv_init

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Christoph Hellwig commit 4dfa2b84118fd6c95202ae87e62adf5000ccd4d0 upstream. Try to reserve the blocks first and only then update the fields in or hanging off the mount structure. This way we