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authorBrian Foster <bfoster@redhat.com>2012-07-16 13:51:09 -0400
committerAnand Avati <avati@redhat.com>2012-07-17 08:11:48 -0700
commit59ff893d11844eb52453ce4f7f098df05fcde174 (patch)
tree25d332376a461e09770e7dfdd88e7cfc13efea4b /xlators/mount/fuse/src/fuse-bridge.h
parent911603eb0e1c85e79cf261f99f442c833ead8178 (diff)
libglusterfs,mount/fuse: implement gidcache mechanism in fuse-bridge
This change genericizes the cache mechanism implemented in commit 8efd2845 into libglusterfs/src/gidcache.[ch] and adds fuse-bridge as a client. The cache mechanism is fundamentally equivalent, with some minor changes: - Change cache key from uid_t to uint64_t. - Modify the cache add logic to locate and use an entry with a matching ID, should it already exist. This addresses a bug in the existing mechanism where an expired entry supercedes a newly added entry in lookup, causing repeated adds and flushing of a cache bucket. The fuse group cache is disabled by default. It can be enabled via the 'gid-timeout' fuse-bridge translator option and accompanying mount option (i.e., '-o gid-timeout=1' for a 1s entry timeout). BUG: 800892 Change-Id: I0b34a2263ca48dbb154790a4a44fc70b733e9114 Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-on: http://review.gluster.com/3676 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/mount/fuse/src/fuse-bridge.h')
-rw-r--r--xlators/mount/fuse/src/fuse-bridge.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/xlators/mount/fuse/src/fuse-bridge.h b/xlators/mount/fuse/src/fuse-bridge.h
index dcd9629246c..bc35eb0617d 100644
--- a/xlators/mount/fuse/src/fuse-bridge.h
+++ b/xlators/mount/fuse/src/fuse-bridge.h
@@ -55,6 +55,7 @@
#include "list.h"
#include "dict.h"
#include "syncop.h"
+#include "gidcache.h"
#if defined(GF_LINUX_HOST_OS) || defined(__NetBSD__)
#define FUSE_OP_HIGH (FUSE_POLL + 1)
@@ -110,7 +111,9 @@ struct fuse_private {
gf_boolean_t selinux;
gf_boolean_t read_only;
gf_boolean_t fopen_keep_cache;
+ int32_t gid_cache_timeout;
fdtable_t *fdtable;
+ gid_cache_t gid_cache;
/* For fuse-reverse-validation */
int revchan_in;