aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/raid/raid5.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/raid/raid5.h')
-rw-r--r--include/linux/raid/raid5.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h
index d63ddcb4afad..176fc653c284 100644
--- a/include/linux/raid/raid5.h
+++ b/include/linux/raid/raid5.h
@@ -134,6 +134,7 @@ struct stripe_head {
134 unsigned long state; /* state flags */ 134 unsigned long state; /* state flags */
135 atomic_t count; /* nr of active thread/requests */ 135 atomic_t count; /* nr of active thread/requests */
136 spinlock_t lock; 136 spinlock_t lock;
137 int bm_seq; /* sequence number for bitmap flushes */
137 struct r5dev { 138 struct r5dev {
138 struct bio req; 139 struct bio req;
139 struct bio_vec vec; 140 struct bio_vec vec;
@@ -165,12 +166,13 @@ struct stripe_head {
165/* 166/*
166 * Stripe state 167 * Stripe state
167 */ 168 */
168#define STRIPE_ERROR 1
169#define STRIPE_HANDLE 2 169#define STRIPE_HANDLE 2
170#define STRIPE_SYNCING 3 170#define STRIPE_SYNCING 3
171#define STRIPE_INSYNC 4 171#define STRIPE_INSYNC 4
172#define STRIPE_PREREAD_ACTIVE 5 172#define STRIPE_PREREAD_ACTIVE 5
173#define STRIPE_DELAYED 6 173#define STRIPE_DELAYED 6
174#define STRIPE_DEGRADED 7
175#define STRIPE_BIT_DELAY 8
174 176
175/* 177/*
176 * Plugging: 178 * Plugging:
@@ -210,10 +212,20 @@ struct raid5_private_data {
210 212
211 struct list_head handle_list; /* stripes needing handling */ 213 struct list_head handle_list; /* stripes needing handling */
212 struct list_head delayed_list; /* stripes that have plugged requests */ 214 struct list_head delayed_list; /* stripes that have plugged requests */
215 struct list_head bitmap_list; /* stripes delaying awaiting bitmap update */
213 atomic_t preread_active_stripes; /* stripes with scheduled io */ 216 atomic_t preread_active_stripes; /* stripes with scheduled io */
214 217
215 char cache_name[20]; 218 char cache_name[20];
216 kmem_cache_t *slab_cache; /* for allocating stripes */ 219 kmem_cache_t *slab_cache; /* for allocating stripes */
220
221 int seq_flush, seq_write;
222 int quiesce;
223
224 int fullsync; /* set to 1 if a full sync is needed,
225 * (fresh device added).
226 * Cleared when a sync completes.
227 */
228
217 /* 229 /*
218 * Free stripes pool 230 * Free stripes pool
219 */ 231 */