xfs: create bmbt update intent log items
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Oct 2016 16:11:25 +0000 (09:11 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Tue, 4 Oct 2016 18:05:43 +0000 (11:05 -0700)
commit6413a01420c2fbf03b3d059795f541caeb962e86
tree314ad92ff0bd3db16bb6b934fcc6aef49a62a531
parent350a27a6a65cc5dd2ba1b220e8641993414816d2
xfs: create bmbt update intent log items

Create bmbt update intent/done log items to record redo information in
the log.  Because we roll transactions multiple times for reflink
operations, we also have to track the status of the metadata updates
that will be recorded in the post-roll transactions in case we crash
before committing the final transaction.  This mechanism enables log
recovery to finish what was already started.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
fs/xfs/Makefile
fs/xfs/libxfs/xfs_log_format.h
fs/xfs/xfs_bmap_item.c [new file with mode: 0644]
fs/xfs/xfs_bmap_item.h [new file with mode: 0644]
fs/xfs/xfs_super.c