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authorGoldwyn Rodrigues <rgoldwyn@suse.com>2020-09-24 11:39:12 -0500
committerDavid Sterba <dsterba@suse.com>2020-12-08 15:53:45 +0100
commit4e4cabece9f9c6b8dde8baf8f81e90222aa4989b (patch)
tree3ff922a482b6408d5a5aa841a61bdabad636e37b /fs/btrfs/ctree.h
parent3d8cc17a0561dc4c037ede4886d7975009075d6d (diff)
downloadlinux-4e4cabece9f9c6b8dde8baf8f81e90222aa4989b.tar.bz2
btrfs: split btrfs_direct_IO to read and write
The read and write DIO don't have anything in common except for the call to iomap_dio_rw. Extract the write call into a new function to get rid of conditional statements for direct write. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 39e4c35e965a..5244400d5c23 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -28,6 +28,7 @@
#include <linux/dynamic_debug.h>
#include <linux/refcount.h>
#include <linux/crc32c.h>
+#include <linux/iomap.h>
#include "extent-io-tree.h"
#include "extent_io.h"
#include "extent_map.h"
@@ -3065,7 +3066,9 @@ int btrfs_writepage_cow_fixup(struct page *page, u64 start, u64 end);
void btrfs_writepage_endio_finish_ordered(struct page *page, u64 start,
u64 end, int uptodate);
extern const struct dentry_operations btrfs_dentry_operations;
-ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter);
+extern const struct iomap_ops btrfs_dio_iomap_ops;
+extern const struct iomap_dio_ops btrfs_dio_ops;
+extern const struct iomap_dio_ops btrfs_sync_dops;
/* ioctl.c */
long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);