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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/block/drbd/drbd_wrappers.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/block/drbd/drbd_wrappers.h')
-rw-r--r--drivers/block/drbd/drbd_wrappers.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_wrappers.h b/drivers/block/drbd/drbd_wrappers.h
new file mode 100644
index 00000000..151f1a37
--- /dev/null
+++ b/drivers/block/drbd/drbd_wrappers.h
@@ -0,0 +1,59 @@
+#ifndef _DRBD_WRAPPERS_H
+#define _DRBD_WRAPPERS_H
+
+#include <linux/ctype.h>
+#include <linux/mm.h>
+
+/* see get_sb_bdev and bd_claim */
+extern char *drbd_sec_holder;
+
+/* sets the number of 512 byte sectors of our virtual device */
+static inline void drbd_set_my_capacity(struct drbd_conf *mdev,
+ sector_t size)
+{
+ /* set_capacity(mdev->this_bdev->bd_disk, size); */
+ set_capacity(mdev->vdisk, size);
+ mdev->this_bdev->bd_inode->i_size = (loff_t)size << 9;
+}
+
+#define drbd_bio_uptodate(bio) bio_flagged(bio, BIO_UPTODATE)
+
+/* bi_end_io handlers */
+extern void drbd_md_io_complete(struct bio *bio, int error);
+extern void drbd_endio_sec(struct bio *bio, int error);
+extern void drbd_endio_pri(struct bio *bio, int error);
+
+/*
+ * used to submit our private bio
+ */
+static inline void drbd_generic_make_request(struct drbd_conf *mdev,
+ int fault_type, struct bio *bio)
+{
+ __release(local);
+ if (!bio->bi_bdev) {
+ printk(KERN_ERR "drbd%d: drbd_generic_make_request: "
+ "bio->bi_bdev == NULL\n",
+ mdev_to_minor(mdev));
+ dump_stack();
+ bio_endio(bio, -ENODEV);
+ return;
+ }
+
+ if (drbd_insert_fault(mdev, fault_type))
+ bio_endio(bio, -EIO);
+ else
+ generic_make_request(bio);
+}
+
+static inline int drbd_crypto_is_hash(struct crypto_tfm *tfm)
+{
+ return (crypto_tfm_alg_type(tfm) & CRYPTO_ALG_TYPE_HASH_MASK)
+ == CRYPTO_ALG_TYPE_HASH;
+}
+
+#ifndef __CHECKER__
+# undef __cond_lock
+# define __cond_lock(x,c) (c)
+#endif
+
+#endif