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[iov_iter] new privimitive: iov_iter_revert()
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 17 Feb 2017 23:42:24 +0000 (18:42 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 2 Apr 2017 16:10:47 +0000 (12:10 -0400)
commita478e5c6c0f521c3b952781abceacca0e3423647
tree9a9486ef6d962e7a5d7b97d5e60cd490554d1980tree | snapshot
parent04db378bc38419431c40af65242beb366dba35eacommit | diff
[iov_iter] new privimitive: iov_iter_revert()

opposite to iov_iter_advance(); the caller is responsible for never
using it to move back past the initial position.

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
include/linux/uio.h diff | blob | history
lib/iov_iter.c diff | blob | history
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