xfs: stop using xfs_trans_iget in the RT allocator

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During mount we establish references to the RT inodes, which we keep for
the lifetime of the filesystem.  Instead of using xfs_trans_iget to grab
additional references when adding RT inodes to transactions use the
combination of xfs_ilock and xfs_trans_ijoin_ref, which archives the same
end result with less overhead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>

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Christoph Hellwig 2011-02-13 13:25:31 +00:00 • committed by Alex Elder

parent 5d15765594

commit 1050c71e29

2 changed files with 23 additions and 39 deletions

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8

fs/xfs/xfs_bmap.c

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54

fs/xfs/xfs_rtalloc.c

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