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libxfs: Optimize the loop for xfs_bitmap_empty
authorJia He <hejianet@gmail.com>
Mon, 4 Jan 2016 05:10:19 +0000 (16:10 +1100)
committerDave Chinner <david@fromorbit.com>
Mon, 4 Jan 2016 05:10:19 +0000 (16:10 +1100)
commit1d4292bfdc77f4f7c520064be15d0c46bd025fd2
tree0caa65a6a56e13d269503b38c211aafaef6cad0btree | snapshot
parent168309855a7d1e16db751e9c647119fe2d2dc878commit | diff
libxfs: Optimize the loop for xfs_bitmap_empty

If there is any non zero bit in a long bitmap, it can jump out of the
loop and finish the function as soon as possible.

Signed-off-by: Jia He <hejianet@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
fs/xfs/libxfs/xfs_bit.c diff | blob | history
Beck SC1x5 Kernel