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Add local definition of cds_list_add_tail_rcu for liburcu-0.7

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Change-Id: Ifd7364aaf83665689dd297bbeb4ee4aeaece744c
This commit is contained in:
Kaushal M
2015-02-02 12:09:47 +05:30
parent 437b48bdef
commit 1e433027a4
2 changed files with 21 additions and 1 deletions
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5
configure.ac
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@@ -1101,7 +1101,10 @@ fi
dnl Check for userspace-rcu
PKG_CHECK_MODULES([URCU], [liburcu-bp])
PKG_CHECK_MODULES([URCU_CDS], [liburcu-cds])
PKG_CHECK_MODULES([URCU_CDS], [liburcu-cds >= 0.8], [],
[PKG_CHECK_MODULES([URCU_CDS], [liburcu-cds >= 0.7],
[AC_DEFINE(URCU_0_7, 1, [Define if liburcu 0.7 is found])],
[AC_MSG_ERROR([liburcu >= 0.7 required])])])
AC_SUBST(CFLAGS)
# end enable debug section

17
xlators/mgmt/glusterd/src/glusterd.h
View File

@@ -1081,4 +1081,21 @@ glusterd_add_brick_status_to_dict (dict_t *dict, glusterd_volinfo_t *volinfo,
int32_t
glusterd_handle_snap_limit (dict_t *dict, dict_t *rsp_dict);
#ifdef URCU_0_7
/* Copying this definition from liburcu-0.8 as liburcu-0.7 does not have this
* particular list api
*/
/* Add new element at the tail of the list. */
static inline
void cds_list_add_tail_rcu(struct cds_list_head *newp,
struct cds_list_head *head)
{
newp->next = head;
newp->prev = head->prev;
rcu_assign_pointer(head->prev->next, newp);
head->prev = newp;
}
#endif
#endif