xfs: don't assume a left rmap when allocating a new rmap

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The original rmap code assumed that there would always be at least one
rmap in the rmapbt (the AG sb/agf/agi) and so errored out if it didn't
find one.  This assumption isn't true for the rmapbt repair function
(and it won't be true for realtime rmap either), so remove the check and
just deal with the situation.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>

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Darrick J. Wong 2018-07-17 14:24:11 -07:00

parent efe8032773

commit fa248de98a

1 changed files with 12 additions and 12 deletions

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fs/xfs/libxfs/xfs_rmap.c

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