diff options
Diffstat (limited to 'include/linux/raid')
| -rw-r--r-- | include/linux/raid/raid5.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h index 20ed4c997636..f1e28952a82f 100644 --- a/include/linux/raid/raid5.h +++ b/include/linux/raid/raid5.h | |||
| @@ -195,8 +195,9 @@ struct stripe_head { | |||
| 195 | * it to the count of prereading stripes. | 195 | * it to the count of prereading stripes. |
| 196 | * When write is initiated, or the stripe refcnt == 0 (just in case) we | 196 | * When write is initiated, or the stripe refcnt == 0 (just in case) we |
| 197 | * clear the PREREAD_ACTIVE flag and decrement the count | 197 | * clear the PREREAD_ACTIVE flag and decrement the count |
| 198 | * Whenever the delayed queue is empty and the device is not plugged, we | 198 | * Whenever the 'handle' queue is empty and the device is not plugged, we |
| 199 | * move any strips from delayed to handle and clear the DELAYED flag and set PREREAD_ACTIVE. | 199 | * move any strips from delayed to handle and clear the DELAYED flag and set |
| 200 | * PREREAD_ACTIVE. | ||
| 200 | * In stripe_handle, if we find pre-reading is necessary, we do it if | 201 | * In stripe_handle, if we find pre-reading is necessary, we do it if |
| 201 | * PREREAD_ACTIVE is set, else we set DELAYED which will send it to the delayed queue. | 202 | * PREREAD_ACTIVE is set, else we set DELAYED which will send it to the delayed queue. |
| 202 | * HANDLE gets cleared if stripe_handle leave nothing locked. | 203 | * HANDLE gets cleared if stripe_handle leave nothing locked. |