glebius b4ef8e602d Merge from projects/sendfile: ... o Provide a new VOP_GETPAGES_ASYNC(), which works like VOP_GETPAGES(), but doesn't sleep. It returns immediately, and will execute the I/O done handler function that must be supplied as argument. o Provide VOP_GETPAGES_ASYNC() for the FFS, which uses vnode_pager. o Extend pagertab to support pgo_getpages_async method, and implement this method for vnode_pager. Reviewed by: kib Tested by: pho Sponsored by: Netflix Sponsored by: Nginx, Inc.		2014-11-23 12:01:52 +00:00
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ffs	Merge from projects/sendfile:	2014-11-23 12:01:52 +00:00
ufs	buf.h is not needed here, and pollutes when ufsmount.h is included	2014-11-23 01:02:19 +00:00