18 static void nfs_block_o_direct(struct nfs_inode *nfsi, struct inode *inode)  in nfs_block_o_direct()  argument
22 		inode_dio_wait(inode);  in nfs_block_o_direct()
43 nfs_start_io_read(struct inode *inode)  in nfs_start_io_read()  argument
45 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs_start_io_read()
47 	down_read(&inode->i_rwsem);  in nfs_start_io_read()
50 	up_read(&inode->i_rwsem);  in nfs_start_io_read()
52 	down_write(&inode->i_rwsem);  in nfs_start_io_read()
53 	nfs_block_o_direct(nfsi, inode);  in nfs_start_io_read()
54 	downgrade_write(&inode->i_rwsem);  in nfs_start_io_read()
65 nfs_end_io_read(struct inode *inode)  in nfs_end_io_read()  argument
67 	up_read(&inode->i_rwsem);  in nfs_end_io_read()
78 nfs_start_io_write(struct inode *inode)  in nfs_start_io_write()  argument
80 	down_write(&inode->i_rwsem);  in nfs_start_io_write()
81 	nfs_block_o_direct(NFS_I(inode), inode);  in nfs_start_io_write()
92 nfs_end_io_write(struct inode *inode)  in nfs_end_io_write()  argument
94 	up_write(&inode->i_rwsem);  in nfs_end_io_write()
98 static void nfs_block_buffered(struct nfs_inode *nfsi, struct inode *inode)  in nfs_block_buffered()  argument
102 		nfs_sync_mapping(inode->i_mapping);  in nfs_block_buffered()
123 nfs_start_io_direct(struct inode *inode)  in nfs_start_io_direct()  argument
125 	struct nfs_inode *nfsi = NFS_I(inode);  in nfs_start_io_direct()
127 	down_read(&inode->i_rwsem);  in nfs_start_io_direct()
130 	up_read(&inode->i_rwsem);  in nfs_start_io_direct()
132 	down_write(&inode->i_rwsem);  in nfs_start_io_direct()
133 	nfs_block_buffered(nfsi, inode);  in nfs_start_io_direct()
134 	downgrade_write(&inode->i_rwsem);  in nfs_start_io_direct()
145 nfs_end_io_direct(struct inode *inode)  in nfs_end_io_direct()  argument
147 	up_read(&inode->i_rwsem);  in nfs_end_io_direct()