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authorChristoph Hellwig <hch@lst.de>2016-11-30 14:37:15 +1100
committerDave Chinner <david@fromorbit.com>2016-11-30 14:37:15 +1100
commitacdda3aae146d9b69d30e9d8a32a8d8937055523 (patch)
treed72fe0a93fa456fdf5195b5ccb919648c15fd7be /fs/xfs/xfs_aops.h
parentff6a9292e6f633d596826be5ba70d3ef90cc3300 (diff)
downloadlinux-acdda3aae146d9b69d30e9d8a32a8d8937055523.tar.bz2
xfs: use iomap_dio_rw
Straight switch over to using iomap for direct I/O - we already have the non-COW dio path in write_begin for DAX and files with extent size hints, so nothing to add there. The COW path is ported over from the old get_blocks version and a bit of a mess, but I have some work in progress to make it look more like the buffered I/O COW path. This gets rid of xfs_get_blocks_direct and the last caller of xfs_get_blocks with the create flag set, so all that code can be removed. Last but not least I've removed a comment in xfs_filemap_fault that refers to xfs_get_blocks entirely instead of updating it - while the reference is correct, the whole DAX fault path looks different than the non-DAX one, so it seems rather pointless. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Jens Axboe <axboe@fb.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_aops.h')
-rw-r--r--fs/xfs/xfs_aops.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/fs/xfs/xfs_aops.h b/fs/xfs/xfs_aops.h
index 34dc00dfb91d..cc174ec6c2fd 100644
--- a/fs/xfs/xfs_aops.h
+++ b/fs/xfs/xfs_aops.h
@@ -55,12 +55,6 @@ struct xfs_ioend {
extern const struct address_space_operations xfs_address_space_operations;
-int xfs_get_blocks(struct inode *inode, sector_t offset,
- struct buffer_head *map_bh, int create);
-int xfs_get_blocks_direct(struct inode *inode, sector_t offset,
- struct buffer_head *map_bh, int create);
-int xfs_end_io_direct_write(struct kiocb *iocb, loff_t offset,
- ssize_t size, void *private);
int xfs_setfilesize(struct xfs_inode *ip, xfs_off_t offset, size_t size);
extern void xfs_count_page_state(struct page *, int *, int *);