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xfs: refactor log recovery buffer item dispatch for pass2 commit functions

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Move the log buffer item pass2 commit code into the per-item source code
files and use the dispatch function to call it.  We do these one at a
time because there's a lot of code to move.  No functional changes.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong
2020-05-01 16:00:47 -07:00
parent 3304a4fabd
commit 1094d3f123
3 changed files with 820 additions and 791 deletions
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23
fs/xfs/libxfs/xfs_log_recover.h
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@@ -37,6 +37,26 @@ struct xlog_recover_item_ops {
/* Do whatever work we need to do for pass1, if provided. */
int (*commit_pass1)(struct xlog *log, struct xlog_recover_item *item);
/*
* This function should do whatever work is needed for pass2 of log
* recovery, if provided.
*
* If the recovered item is an intent item, this function should parse
* the recovered item to construct an in-core log intent item and
* insert it into the AIL. The in-core log intent item should have 1
* refcount so that the item is freed either (a) when we commit the
* recovered log item for the intent-done item; (b) replay the work and
* log a new intent-done item; or (c) recovery fails and we have to
* abort.
*
* If the recovered item is an intent-done item, this function should
* parse the recovered item to find the id of the corresponding intent
* log item. Next, it should find the in-core log intent item in the
* AIL and release it.
*/
int (*commit_pass2)(struct xlog *log, struct list_head *buffer_list,
struct xlog_recover_item *item, xfs_lsn_t lsn);
};
extern const struct xlog_recover_item_ops xlog_icreate_item_ops;
@@ -101,5 +121,8 @@ struct xlog_recover {
void xlog_buf_readahead(struct xlog *log, xfs_daddr_t blkno, uint len,
const struct xfs_buf_ops *ops);
bool xlog_add_buffer_cancelled(struct xlog *log, xfs_daddr_t blkno, uint len);
bool xlog_is_buffer_cancelled(struct xlog *log, xfs_daddr_t blkno, uint len);
bool xlog_put_buffer_cancelled(struct xlog *log, xfs_daddr_t blkno, uint len);
void xlog_recover_iodone(struct xfs_buf *bp);
#endif /* __XFS_LOG_RECOVER_H__ */