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authorDavid Teigland <teigland@redhat.com>2011-02-21 23:58:21 +0300
committerDavid Teigland <teigland@redhat.com>2011-03-10 19:40:00 +0300
commit8304d6f24cc1221392b6d61fa9d16631cbd6beb7 (patch)
treeca9b333d500d2fc56a45263aa08c4093875cbe12 /fs/dlm/ast.h
parent35d34df711e8b44846e759d8cfddb4ec6877cccb (diff)
downloadlinux-8304d6f24cc1221392b6d61fa9d16631cbd6beb7.tar.xz
dlm: record full callback state
Change how callbacks are recorded for locks. Previously, information about multiple callbacks was combined into a couple of variables that indicated what the end result should be. In some situations, we could not tell from this combined state what the exact sequence of callbacks were, and would end up either delivering the callbacks in the wrong order, or suppress redundant callbacks incorrectly. This new approach records all the data for each callback, leaving no uncertainty about what needs to be delivered. Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/ast.h')
-rw-r--r--fs/dlm/ast.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/dlm/ast.h b/fs/dlm/ast.h
index bcb1aaba519d..8aa89c9b5611 100644
--- a/fs/dlm/ast.h
+++ b/fs/dlm/ast.h
@@ -13,8 +13,13 @@
#ifndef __ASTD_DOT_H__
#define __ASTD_DOT_H__
-void dlm_add_ast(struct dlm_lkb *lkb, int type, int mode);
void dlm_del_ast(struct dlm_lkb *lkb);
+int dlm_add_lkb_callback(struct dlm_lkb *lkb, uint32_t flags, int mode,
+ int status, uint32_t sbflags, uint64_t seq);
+int dlm_rem_lkb_callback(struct dlm_ls *ls, struct dlm_lkb *lkb,
+ struct dlm_callback *cb, int *resid);
+void dlm_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode, int status,
+ uint32_t sbflags);
void dlm_astd_wake(void);
int dlm_astd_start(void);