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-rw-r--r--include/linux/exportfs.h25
1 files changed, 8 insertions, 17 deletions
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index 8bcdba28b406..c835bc64f4fa 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -6,9 +6,8 @@
#include <linux/path.h>
struct dentry;
-struct iattr;
+struct exportfs_block_ops;
struct inode;
-struct iomap;
struct super_block;
struct vfsmount;
@@ -260,19 +259,13 @@ struct handle_to_path_ctx {
* @commit_metadata:
* @commit_metadata should commit metadata changes to stable storage.
*
- * @get_uuid:
- * Get a filesystem unique signature exposed to clients.
- *
- * @map_blocks:
- * Map and, if necessary, allocate blocks for a layout.
- *
- * @commit_blocks:
- * Commit blocks in a layout once the client is done with them.
- *
* @flags:
* Allows the filesystem to communicate to nfsd that it may want to do things
* differently when dealing with it.
*
+ * @block_ops:
+ * Operations for layout grants to block on the underlying device.
+ *
* Locking rules:
* get_parent is called with child->d_inode->i_rwsem down
* get_name is not (which is possibly inconsistent)
@@ -290,12 +283,6 @@ struct export_operations {
struct dentry * (*get_parent)(struct dentry *child);
int (*commit_metadata)(struct inode *inode);
- int (*get_uuid)(struct super_block *sb, u8 *buf, u32 *len, u64 *offset);
- int (*map_blocks)(struct inode *inode, loff_t offset,
- u64 len, struct iomap *iomap,
- bool write, u32 *device_generation);
- int (*commit_blocks)(struct inode *inode, struct iomap *iomaps,
- int nr_iomaps, struct iattr *iattr);
int (*permission)(struct handle_to_path_ctx *ctx, unsigned int oflags);
struct file * (*open)(const struct path *path, unsigned int oflags);
#define EXPORT_OP_NOWCC (0x1) /* don't collect v3 wcc data */
@@ -308,6 +295,10 @@ struct export_operations {
#define EXPORT_OP_FLUSH_ON_CLOSE (0x20) /* fs flushes file data on close */
#define EXPORT_OP_NOLOCKS (0x40) /* no file locking support */
unsigned long flags;
+
+#ifdef CONFIG_EXPORTFS_BLOCK_OPS
+ const struct exportfs_block_ops *block_ops;
+#endif
};
/**