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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/md/md-multipath.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/md/md-multipath.h')
-rw-r--r--drivers/md/md-multipath.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/md/md-multipath.h b/drivers/md/md-multipath.h
new file mode 100644
index 000000000..b3099e5fc
--- /dev/null
+++ b/drivers/md/md-multipath.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _MULTIPATH_H
+#define _MULTIPATH_H
+
+struct multipath_info {
+ struct md_rdev *rdev;
+};
+
+struct mpconf {
+ struct mddev *mddev;
+ struct multipath_info *multipaths;
+ int raid_disks;
+ spinlock_t device_lock;
+ struct list_head retry_list;
+
+ mempool_t pool;
+};
+
+/*
+ * this is our 'private' 'collective' MULTIPATH buffer head.
+ * it contains information about what kind of IO operations were started
+ * for this MULTIPATH operation, and about their status:
+ */
+
+struct multipath_bh {
+ struct mddev *mddev;
+ struct bio *master_bio;
+ struct bio bio;
+ int path;
+ struct list_head retry_list;
+};
+#endif