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xfs: add a xfs_bmap_fork_to_state helper

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This creates the right initial bmap state from the passed in inode
fork enum.

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>
This commit is contained in:
Christoph Hellwig
2017-10-19 11:02:29 -07:00
committed by Darrick J. Wong
parent c2fc338c87
commit 060ea65b39
2 changed files with 21 additions and 36 deletions
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12
fs/xfs/libxfs/xfs_bmap.h
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@@ -278,4 +278,16 @@ int xfs_bmap_map_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops,
int xfs_bmap_unmap_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops,
struct xfs_inode *ip, struct xfs_bmbt_irec *imap);
static inline int xfs_bmap_fork_to_state(int whichfork)
{
switch (whichfork) {
case XFS_ATTR_FORK:
return BMAP_ATTRFORK;
case XFS_COW_FORK:
return BMAP_COWFORK;
default:
return 0;
}
}
#endif /* __XFS_BMAP_H__ */