Commit d916275a authored by Dave Chinner's avatar Dave Chinner Committed by Darrick J. Wong
Browse files

xfs: get allocation alignment from the buftarg 



Needed to feed into the allocation routine to guarantee the memory
buffers we add to bios are correctly aligned to the underlying
device.

Signed-off-by: default avatarDave Chinner <dchinner@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent 0ad95687

fs/xfs/xfs_buf.h

+6 −0
Original line number Diff line number Diff line
@@ -350,6 +350,12 @@ extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int); 
#define xfs_getsize_buftarg(buftarg)	block_size((buftarg)->bt_bdev)

#define xfs_readonly_buftarg(buftarg)	bdev_read_only((buftarg)->bt_bdev)



static inline int

xfs_buftarg_dma_alignment(struct xfs_buftarg *bt)

{

	return queue_dma_alignment(bt->bt_bdev->bd_disk->queue);

}



int xfs_buf_reverify(struct xfs_buf *bp, const struct xfs_buf_ops *ops);

bool xfs_verify_magic(struct xfs_buf *bp, __be32 dmagic);

bool xfs_verify_magic16(struct xfs_buf *bp, __be16 dmagic);

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