22 static int netfs_inode_dio_wait_interruptible(struct inode *inode)  in netfs_inode_dio_wait_interruptible()  argument
24 	if (inode_dio_finished(inode))  in netfs_inode_dio_wait_interruptible()
27 	inode_dio_wait_interruptible(inode);  in netfs_inode_dio_wait_interruptible()
28 	return !inode_dio_finished(inode) ? -ERESTARTSYS : 0;  in netfs_inode_dio_wait_interruptible()
37 	return netfs_inode_dio_wait_interruptible(&ictx->inode);  in netfs_block_o_direct()
56 int netfs_start_io_read(struct inode *inode)  in netfs_start_io_read()  argument
57 	__acquires(inode->i_rwsem)  in netfs_start_io_read()
59 	struct netfs_inode *ictx = netfs_inode(inode);  in netfs_start_io_read()
62 	if (down_read_interruptible(&inode->i_rwsem) < 0)  in netfs_start_io_read()
66 	up_read(&inode->i_rwsem);  in netfs_start_io_read()
69 	if (down_write_killable(&inode->i_rwsem) < 0)  in netfs_start_io_read()
72 		up_write(&inode->i_rwsem);  in netfs_start_io_read()
75 	downgrade_write(&inode->i_rwsem);  in netfs_start_io_read()
87 void netfs_end_io_read(struct inode *inode)  in netfs_end_io_read()  argument
88 	__releases(inode->i_rwsem)  in netfs_end_io_read()
90 	up_read(&inode->i_rwsem);  in netfs_end_io_read()
101 int netfs_start_io_write(struct inode *inode)  in netfs_start_io_write()  argument
102 	__acquires(inode->i_rwsem)  in netfs_start_io_write()
104 	struct netfs_inode *ictx = netfs_inode(inode);  in netfs_start_io_write()
106 	if (down_write_killable(&inode->i_rwsem) < 0)  in netfs_start_io_write()
109 		up_write(&inode->i_rwsem);  in netfs_start_io_write()
123 void netfs_end_io_write(struct inode *inode)  in netfs_end_io_write()  argument
124 	__releases(inode->i_rwsem)  in netfs_end_io_write()
126 	up_write(&inode->i_rwsem);  in netfs_end_io_write()
131 static int netfs_block_buffered(struct inode *inode)  in netfs_block_buffered()  argument
133 	struct netfs_inode *ictx = netfs_inode(inode);  in netfs_block_buffered()
138 		if (inode->i_mapping->nrpages != 0) {  in netfs_block_buffered()
139 			unmap_mapping_range(inode->i_mapping, 0, 0, 0);  in netfs_block_buffered()
140 			ret = filemap_fdatawait(inode->i_mapping);  in netfs_block_buffered()
166 int netfs_start_io_direct(struct inode *inode)  in netfs_start_io_direct()  argument
167 	__acquires(inode->i_rwsem)  in netfs_start_io_direct()
169 	struct netfs_inode *ictx = netfs_inode(inode);  in netfs_start_io_direct()
173 	if (down_read_interruptible(&inode->i_rwsem) < 0)  in netfs_start_io_direct()
177 	up_read(&inode->i_rwsem);  in netfs_start_io_direct()
180 	if (down_write_killable(&inode->i_rwsem) < 0)  in netfs_start_io_direct()
182 	ret = netfs_block_buffered(inode);  in netfs_start_io_direct()
184 		up_write(&inode->i_rwsem);  in netfs_start_io_direct()
187 	downgrade_write(&inode->i_rwsem);  in netfs_start_io_direct()
199 void netfs_end_io_direct(struct inode *inode)  in netfs_end_io_direct()  argument
200 	__releases(inode->i_rwsem)  in netfs_end_io_direct()
202 	up_read(&inode->i_rwsem);  in netfs_end_io_direct()