xfs: fix the comment of xfs_bmap_last_before()
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
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@ -1550,7 +1550,7 @@ xfs_bmap_first_unused(
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}
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/*
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* Returns the file-relative block number of the last block + 1 before
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* Returns the file-relative block number of the last block - 1 before
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* last_block (input value) in the file.
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* This is not based on i_size, it is based on the extent records.
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* Returns 0 for local files, as they do not have extent records.
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