tree d31719bcacb80dc5b3ccfa99c28e5a2c92602aa6
parent 1ad67015e619ba4e0b15ed0482d464292fedf263
author Al Viro <viro@zeniv.linux.org.uk> 1381237908 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1383974186 -0500

make dump_emit() use vfs_write() instead of banging at ->f_op->write directly

... and deal with short writes properly - the output might be to pipe, after
all; as it is, e.g. no-MMU case of elf_fdpic coredump can write a whole lot
more than a page worth of data at one call.

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