xfs: store xfs_mount in the buftarg instead of in the xfs_buf

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Each buffer contains both a buftarg pointer and a mount pointer. If
we add a mount pointer into the buftarg, we can avoid needing the
b_mount field in every buffer and grab it from the buftarg when
needed instead. This shrinks the xfs_buf by 8 bytes.

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

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Dave Chinner 2010-09-22 10:47:20 +10:00 • committed by Alex Elder

parent 5adc94c247

commit ebad861b57

5 changed files with 20 additions and 21 deletions

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9

fs/xfs/linux-2.6/xfs_buf.c

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5

fs/xfs/linux-2.6/xfs_buf.h

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8

fs/xfs/linux-2.6/xfs_super.c

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3

fs/xfs/xfs_buf_item.c

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16

fs/xfs/xfs_log_recover.c

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