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authorEric Dumazet <eric.dumazet@gmail.com>2012-04-04 11:08:51 +0200
committerJens Axboe <axboe@kernel.dk>2012-04-20 10:20:05 +0200
commitbd1a68b59c8e3bce45fb76632c64e1e063c3962d (patch)
tree20ee27961256383e8eccb8236f901315623383f9 /block
parentblkcg: use radix tree to index blkgs from blkcg (diff)
downloadlinux-bd1a68b59c8e3bce45fb76632c64e1e063c3962d.tar.xz
linux-bd1a68b59c8e3bce45fb76632c64e1e063c3962d.zip
vmsplice: relax alignement requirements for SPLICE_F_GIFT
It seems there is no fundamental reason to limit vmsplice() SPLICE_F_GIFT to page aligned chunks. All helpers are prepared to cope with offsets in page. This limitation makes vmsplice() API very impractical in the zero-copy land. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Tom Herbert <therbert@google.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Miller <davem@davemloft.net> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Hugh Dickins <hughd@google.com> Cc: Changli Gao <xiaosuo@gmail.com> Cc: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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