tree 3e01f865306dee01b31f34c9e7e819a5f42a4087
parent 90320251db0fe3d05f2b10686ec936c7d6ecd99a
author Al Viro <viro@zeniv.linux.org.uk> 1428598547 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1428805821 -0400

switch generic_write_checks() to iocb and iter

... returning -E... upon error and amount of data left in iter after
(possible) truncation upon success.  Note, that normal case gives
a non-zero (positive) return value, so any tests for != 0 _must_ be
updated.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Conflicts:
	fs/ext4/file.c