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xfs: store rmapbt block count in the AGF

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Track the number of blocks used for the rmapbt in the AGF.  When we
get to the AG reservation code we need this counter to quickly
make our reservation during mount.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong
2016-08-17 08:31:49 +10:00
committed by Dave Chinner
parent 8b2180b3bf
commit f32866fdc9
4 changed files with 16 additions and 3 deletions
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fs/xfs/libxfs/xfs_alloc.c
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@@ -2264,6 +2264,7 @@ xfs_alloc_log_agf(
offsetof(xfs_agf_t, agf_longest),
offsetof(xfs_agf_t, agf_btreeblks),
offsetof(xfs_agf_t, agf_uuid),
offsetof(xfs_agf_t, agf_rmap_blocks),
sizeof(xfs_agf_t)
};