xfs: only update mount/resv fields on success in __xfs_ag_resv_init
authorChristoph Hellwig <hch@lst.de>
Wed, 25 Jan 2017 15:49:34 +0000 (07:49 -0800)
committerDarrick J. Wong <darrick.wong@oracle.com>
Wed, 25 Jan 2017 15:49:34 +0000 (07:49 -0800)
commit4dfa2b84118fd6c95202ae87e62adf5000ccd4d0
tree8cb15b77239a4c5655f3090e627cd2bfa051ff01
parent83d230eb5c638949350f4761acdfc0af5cb1bc00
xfs: only update mount/resv fields on success in __xfs_ag_resv_init

Try to reserve the blocks first and only then update the fields in
or hanging off the mount structure.  This way we can call __xfs_ag_resv_init
again after a previous failure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
fs/xfs/libxfs/xfs_ag_resv.c