bsd/vm/vnode_pager.c

107 vnode_pager_issue_reprioritize_io(struct vnode *devvp, uint64_t blkno, uint32_t len, int priority)
110 	dk_extent_t extent;
118 	memset(&extent, 0, sizeof(dk_extent_t));
121 	extent.offset = blkno * (u_int64_t) blocksize;
122 	extent.length = len;
124 	set_tier.extents = &extent;
126 	set_tier.tier = priority;
220 	daddr64_t io_blockno;	 /* Block number corresponding to the start of the extent */
221 	size_t io_bytecount;	/* Number of bytes in current extent for the specified range */
228 	dk_extent_t extent;
243 	 * extent from the blockmap call.  Keep looping/going until we are sure we've hit
263 		memset (&extent, 0, sizeof(dk_extent_t));
265 		extent.offset = (uint64_t) io_blockno * (u_int64_t) blocksize;
266 		extent.length = io_bytecount;
267 		unmap.extents = &extent;
592 			 * is used to identify the "must have" page in the extent... the filesystem is free
593 			 * to clip the extent to better fit the underlying FS blocksize if it desires as