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-rw-r--r--xlators/cluster/afr/src/afr-self-heal.h162
1 files changed, 143 insertions, 19 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal.h b/xlators/cluster/afr/src/afr-self-heal.h
index 7c9bc81119..a1b972ac35 100644
--- a/xlators/cluster/afr/src/afr-self-heal.h
+++ b/xlators/cluster/afr/src/afr-self-heal.h
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+ Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
@@ -8,36 +8,160 @@
cases as published by the Free Software Foundation.
*/
-#ifndef __AFR_SELF_HEAL_H__
-#define __AFR_SELF_HEAL_H__
-#include <sys/stat.h>
+#ifndef _AFR_SELFHEAL_H
+#define _AFR_SELFHEAL_H
-#define FILETYPE_DIFFERS(buf1,buf2) ((buf1)->ia_type != (buf2)->ia_type)
-#define PERMISSION_DIFFERS(buf1,buf2) (st_mode_from_ia ((buf1)->ia_prot, (buf1)->ia_type) != st_mode_from_ia ((buf2)->ia_prot, (buf2)->ia_type))
-#define OWNERSHIP_DIFFERS(buf1,buf2) (((buf1)->ia_uid != (buf2)->ia_uid) || ((buf1)->ia_gid != (buf2)->ia_gid))
-#define SIZE_DIFFERS(buf1,buf2) ((buf1)->ia_size != (buf2)->ia_size)
-#define SIZE_GREATER(buf1,buf2) ((buf1)->ia_size > (buf2)->ia_size)
+/* Perform fop on all UP subvolumes and wait for all callbacks to return */
+
+#define AFR_ONALL(frame, rfn, fop, args ...) do { \
+ afr_local_t *__local = frame->local; \
+ afr_private_t *__priv = frame->this->private; \
+ int __i = 0, __count = 0; \
+ \
+ afr_replies_wipe (__local, __priv); \
+ \
+ for (__i = 0; __i < __priv->child_count; __i++) { \
+ if (!__priv->child_up[__i]) continue; \
+ STACK_WIND_COOKIE (frame, rfn, (void *)(long) __i, \
+ __priv->children[__i], \
+ __priv->children[__i]->fops->fop, args); \
+ __count++; \
+ } \
+ syncbarrier_wait (&__local->barrier, __count); \
+ } while (0)
+
+
+/* Perform fop on all subvolumes represented by list[] array and wait
+ for all callbacks to return */
+
+#define AFR_ONLIST(list, frame, rfn, fop, args ...) do { \
+ afr_local_t *__local = frame->local; \
+ afr_private_t *__priv = frame->this->private; \
+ int __i = 0, __count = 0; \
+ \
+ afr_replies_wipe (__local, __priv); \
+ \
+ for (__i = 0; __i < __priv->child_count; __i++) { \
+ if (!list[__i]) continue; \
+ STACK_WIND_COOKIE (frame, rfn, (void *)(long) __i, \
+ __priv->children[__i], \
+ __priv->children[__i]->fops->fop, args); \
+ __count++; \
+ } \
+ syncbarrier_wait (&__local->barrier, __count); \
+ } while (0)
+
+
+#define AFR_SEQ(frame, rfn, fop, args ...) do { \
+ afr_local_t *__local = frame->local; \
+ afr_private_t *__priv = frame->this->private; \
+ int __i = 0; \
+ \
+ afr_replies_wipe (__local, __priv); \
+ \
+ for (__i = 0; __i < __priv->child_count; __i++) { \
+ if (!__priv->child_up[__i]) continue; \
+ STACK_WIND_COOKIE (frame, rfn, (void *)(long) __i, \
+ __priv->children[__i], \
+ __priv->children[__i]->fops->fop, args); \
+ syncbarrier_wait (&__local->barrier, 1); \
+ } \
+ } while (0)
+
+
+#define ALLOC_MATRIX(n, type) ({type **__ptr = NULL; \
+ int __i; \
+ __ptr = alloca0 (n * sizeof(type *)); \
+ for (__i = 0; __i < n; __i++) __ptr[__i] = alloca0 (n * sizeof(type)); \
+ __ptr;})
+
+
+#define IA_EQUAL(f,s,field) (memcmp (&(f.ia_##field), &(s.ia_##field), sizeof (s.ia_##field)) == 0)
+
+
+int
+afr_selfheal (xlator_t *this, uuid_t gfid);
+
+int
+afr_selfheal_name (xlator_t *this, uuid_t gfid, const char *name);
+
+int
+afr_selfheal_data (call_frame_t *frame, xlator_t *this, inode_t *inode);
+
+int
+afr_selfheal_metadata (call_frame_t *frame, xlator_t *this, inode_t *inode);
int
-afr_self_heal_entry (call_frame_t *frame, xlator_t *this);
+afr_selfheal_entry (call_frame_t *frame, xlator_t *this, inode_t *inode);
+
+
+int
+afr_selfheal_inodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ unsigned char *locked_on);
+
+int
+afr_selfheal_tryinodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ unsigned char *locked_on);
int
-afr_self_heal_data (call_frame_t *frame, xlator_t *this);
+afr_selfheal_uninodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ const unsigned char *locked_on);
int
-afr_self_heal_metadata (call_frame_t *frame, xlator_t *this);
+afr_selfheal_entrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on);
int
-afr_self_heal_get_source (xlator_t *this, afr_local_t *local, dict_t **xattr);
+afr_selfheal_tryentrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on);
+
+int
+afr_selfheal_unentrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on);
+
+int
+afr_selfheal_unlocked_discover (call_frame_t *frame, inode_t *inode,
+ uuid_t gfid, struct afr_reply *replies);
+
+inode_t *
+afr_selfheal_unlocked_lookup_on (call_frame_t *frame, inode_t *parent,
+ const char *name, struct afr_reply *replies,
+ unsigned char *lookup_on);
int
-afr_self_heal (call_frame_t *frame, xlator_t *this, inode_t *inode);
+afr_selfheal_find_direction (call_frame_t *frame, xlator_t *this,
+ struct afr_reply *replies,
+ afr_transaction_type type, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks);
int
-afr_lookup_select_read_child_by_txn_type (xlator_t *this, afr_local_t *local,
- dict_t **xattr,
- afr_transaction_type txn_type,
- uuid_t gfid);
-#endif /* __AFR_SELF_HEAL_H__ */
+afr_selfheal_extract_xattr (xlator_t *this, struct afr_reply *replies,
+ afr_transaction_type type, int *dirty, int **matrix);
+
+int
+afr_selfheal_undo_pending (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks, afr_transaction_type type,
+ struct afr_reply *replies, unsigned char *locked_on);
+
+int
+afr_selfheal_recreate_entry (call_frame_t *frame, xlator_t *this, int dst,
+ int source, inode_t *dir, const char *name,
+ inode_t *inode, struct afr_reply *replies);
+
+int
+afr_selfheal_post_op (call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int subvol, dict_t *xattr);
+
+call_frame_t *
+afr_frame_create (xlator_t *this);
+
+inode_t *
+afr_inode_find (xlator_t *this, uuid_t gfid);
+
+#endif /* !_AFR_SELFHEAL_H */
generated by cgit (git 2.34.1) at 2024-11-11 12:00:51 +0000