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| author | Dan Williams <dan.j.williams@intel.com> | 2008-06-28 08:32:06 +1000 |
|---|---|---|
| committer | Neil Brown <neilb@notabene.brown> | 2008-06-28 08:32:06 +1000 |
| commit | d8ee0728b5b30d7a6f62c399a95e953616d31f23 (patch) | |
| tree | 7f9fcf2b0f6222b2a2b8ee44d69af1fd6990064d /include/linux/raid | |
| parent | 600aa10993012ff2dd5617720dac081e4f992017 (diff) | |
| download | blackbird-op-linux-d8ee0728b5b30d7a6f62c399a95e953616d31f23.tar.gz blackbird-op-linux-d8ee0728b5b30d7a6f62c399a95e953616d31f23.zip | |
md: replace R5_WantPrexor with R5_WantDrain, add 'prexor' reconstruct_states
From: Dan Williams <dan.j.williams@intel.com>
Currently ops_run_biodrain and other locations have extra logic to determine
which blocks are processed in the prexor and non-prexor cases. This can be
eliminated if handle_write_operations5 flags the blocks to be processed in all
cases via R5_Wantdrain. The presence of the prexor operation is tracked in
sh->reconstruct_state.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'include/linux/raid')
| -rw-r--r-- | include/linux/raid/raid5.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h index 5f3e674b87dd..3b2672792457 100644 --- a/include/linux/raid/raid5.h +++ b/include/linux/raid/raid5.h @@ -187,8 +187,10 @@ enum check_states { */ enum reconstruct_states { reconstruct_state_idle = 0, + reconstruct_state_prexor_drain_run, /* prexor-write */ reconstruct_state_drain_run, /* write */ reconstruct_state_run, /* expand */ + reconstruct_state_prexor_drain_result, reconstruct_state_drain_result, reconstruct_state_result, }; @@ -258,9 +260,7 @@ struct r6_state { #define R5_Wantfill 12 /* dev->toread contains a bio that needs * filling */ -#define R5_Wantprexor 13 /* distinguish blocks ready for rmw from - * other "towrites" - */ +#define R5_Wantdrain 13 /* dev->towrite needs to be drained */ /* * Write method */ |
