On Mon, Aug 29, 2011 at 9:34 AM, Jan Kara <jack@xxxxxxx> wrote:
> 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?
Oops, right, thanks for catching this.
Curt
>> > + {WB_REASON_FORKER_THREAD, "forker_thread"} \
>> > + )
>
> Honza
> --
> Jan Kara <jack@xxxxxxx>
> SUSE Labs, CR
>
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