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* MFC r260581: Add sglist_append_bio(9) to append a struct bio's data tobryanv2014-01-181-0/+2
| | | | a sglist
* Change the 'resid' parameter to sglist_consume_uio() from an int to ajhb2009-08-201-1/+1
| | | | | | | size_t to match the recent type change of the uio_resid member of struct uio. Approved by: re (kib)
* Add a simple API to manage scatter/gather lists of phyiscal addresses.jhb2009-06-011-0/+104
Each list describes a logical memory object that is backed by one or more physical address ranges. To minimize locking, the sglist objects themselves are immutable once they are shared. These objects may be used in the future to facilitate I/O requests using physically-addressed buffers. For the immediate future I plan to use them to implement a new type of VM object and pager. Reviewed by: jeff, scottl MFC after: 1 month
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