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authorGreg KH <gregkh@suse.de>2005-09-12 12:10:59 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2005-09-12 12:10:59 -0700
commitad2c10f8f00d3fe2e37dd8a107e7cf4ac0459489 (patch)
tree5571f6a5784f51efddf9c1ee0408894cd63a460f /include/linux/raid/raid1.h
parent6b7839007098a6b5612d31690e11277d4242e6ae (diff)
parent2ade81473636b33aaac64495f89a7dc572c529f0 (diff)
Merge ../torvalds-2.6/
Diffstat (limited to 'include/linux/raid/raid1.h')
-rw-r--r--include/linux/raid/raid1.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/raid/raid1.h b/include/linux/raid/raid1.h
index 9d93cf12e890..60e19b667548 100644
--- a/include/linux/raid/raid1.h
+++ b/include/linux/raid/raid1.h
@@ -80,6 +80,9 @@ struct r1bio_s {
atomic_t remaining; /* 'have we finished' count,
* used from IRQ handlers
*/
+ atomic_t behind_remaining; /* number of write-behind ios remaining
+ * in this BehindIO request
+ */
sector_t sector;
int sectors;
unsigned long state;
@@ -107,4 +110,14 @@ struct r1bio_s {
#define R1BIO_Uptodate 0
#define R1BIO_IsSync 1
#define R1BIO_Degraded 2
+#define R1BIO_BehindIO 3
+/* For write-behind requests, we call bi_end_io when
+ * the last non-write-behind device completes, providing
+ * any write was successful. Otherwise we call when
+ * any write-behind write succeeds, otherwise we call
+ * with failure when last write completes (and all failed).
+ * Record that bi_end_io was called with this flag...
+ */
+#define R1BIO_Returned 4
+
#endif