xfs: refactor the buffer cancellation table helpers

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Replace the somewhat convoluted use of xlog_peek_buffer_cancelled and
xlog_check_buffer_cancelled with two obvious helpers:

 xlog_is_buffer_cancelled, which returns true if there is a buffer in
 the cancellation table, and
 xlog_put_buffer_cancelled, which also decrements the reference count
 of the buffer cancellation table.

Both share a little helper to look up the entry.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Christoph Hellwig 2020-04-27 11:14:59 -07:00 • committed by Darrick J. Wong

parent ec43f6da31

commit e968350aad

1 changed files with 50 additions and 59 deletions

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fs/xfs/xfs_log_recover.c

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