On Mon 29-08-11 18:23:13, Jan Kara wrote:
> On Mon 22-08-11 11:38:46, Curt Wohlgemuth wrote:
> > This creates a new 'reason' field in a wb_writeback_work
> > structure, which unambiguously identifies who initiates
> > writeback activity. A 'wb_reason' enumeration has been
> > added to writeback.h, to enumerate the possible reasons.
> >
> > The 'writeback_work_class' and tracepoint event class and
> > 'writeback_queue_io' tracepoints are updated to include the
> > symbolic 'reason' in all trace events.
> >
> > And the 'writeback_inodes_sbXXX' family of routines has had
> > a wb_stats parameter added to them, so callers can specify
> > why writeback is being started.
> Looks good. You can add: Acked-by: Jan Kara <jack@xxxxxxx>
Oh, one small typo correction:
> > +#define show_work_reason(reason) \
> > + __print_symbolic(reason, \
> > + {WB_REASON_BALANCE_DIRTY, "balance_dirty"}, \
> > + {WB_REASON_BACKGROUND, "background"}, \
> > + {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \
> > + {WB_REASON_SYNC, "sync"}, \
> > + {WB_REASON_PERIODIC, "periodic"}, \
> > + {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \
> > + {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \
> > + {WB_REASON_FS_FREE_SPACE, "FS_free_space"}, \
^^ should be in
non-capital letters?
> > + {WB_REASON_FORKER_THREAD, "forker_thread"} \
> > + )
Honza
--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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