xfs: use percpu_counter_read_positive for mp->m_icount

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Function percpu_counter_read just return the current counter, which can be
negative. This will cause the checking of "allocated inode
counts <= m_maxicount" false positive. Use percpu_counter_read_positive can
solve this problem, and be consistent with the purpose to introduce percpu
mechanism to xfs.

Signed-off-by: George Wang <xuw2015@gmail.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

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George Wang 2015-05-29 07:39:34 +10:00 • committed by Dave Chinner

parent 5ebe6afaf0

commit 74f9ce1cf2

1 changed files with 6 additions and 3 deletions

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fs/xfs/libxfs/xfs_ialloc.c

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