task IO accounting: correctly account threads IO statistics

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Oleg Nesterov points out that we should check that the task is still alive
before we iterate over the threads.  This patch includes a fixup for this.

Also simplify do_io_accounting() implementation.

Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Andrea Righi 2008-07-26 15:22:27 -07:00 • committed by Linus Torvalds

parent 6a9436d0c3

commit b2d002dba5

1 changed files with 22 additions and 34 deletions

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54

fs/proc/base.c

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