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xfs: make xfs_btree_magic more generic

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Right now the xfs_btree_magic() define takes only a cursor;
change this to take crc and btnum args to make it more generically
useful, and move to a function.

This will allow xfs_btree_init_block_int callers which don't
have a cursor to make use of the xfs_magics array, which will
happen in the next patch.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Eric Sandeen 2017-01-27 23:16:38 -08:00 • committed by Darrick J. Wong
parent f88ae46b09
commit af7d20fd83
2 changed files with 28 additions and 8 deletions
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2
fs/xfs/libxfs/xfs_btree.h
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@ -76,6 +76,8 @@ union xfs_btree_rec {
#define XFS_BTNUM_RMAP ((xfs_btnum_t)XFS_BTNUM_RMAPi)
#define XFS_BTNUM_REFC ((xfs_btnum_t)XFS_BTNUM_REFCi)
__uint32_t xfs_btree_magic(int crc, xfs_btnum_t btnum);
/*
* For logging record fields.
*/