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authorAnand Avati <avati@gluster.com>2009-10-23 08:22:49 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-10-23 07:03:19 -0700
commit52b02bbabaaa78061c6b223715f57853cbcfd652 (patch)
treebb4168eed7a2d65664ca031f1b690797f678d9b4 /xlators/protocol/server
parent919d80171c73cf3ed516c089603f0c635cf5a376 (diff)
protocol/server: send fresh lookups on revalidate failures
also unlink non existent dentries in lookup_cbk Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
Diffstat (limited to 'xlators/protocol/server')
-rw-r--r--xlators/protocol/server/src/server-protocol.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/xlators/protocol/server/src/server-protocol.c b/xlators/protocol/server/src/server-protocol.c
index 4c222c3ff4b..415d53c9db1 100644
--- a/xlators/protocol/server/src/server-protocol.c
+++ b/xlators/protocol/server/src/server-protocol.c
@@ -2095,9 +2095,24 @@ server_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t gf_errno = 0;
int32_t ret = -1;
inode_t *link_inode = NULL;
+ loc_t fresh_loc = {0,};
state = CALL_STATE(frame);
+ if (state->is_revalidate == 1 && op_ret == -1) {
+ state->is_revalidate = 2;
+ loc_copy (&fresh_loc, &state->loc);
+ inode_unref (fresh_loc.inode);
+ fresh_loc.inode = inode_new (state->itable);
+
+ STACK_WIND (frame, server_lookup_cbk,
+ BOUND_XL (frame), BOUND_XL (frame)->fops->lookup,
+ &fresh_loc, state->dict);
+
+ loc_wipe (&fresh_loc);
+ return 0;
+ }
+
if (dict) {
dict_len = dict_serialized_length (dict);
if (dict_len < 0) {
@@ -2146,13 +2161,18 @@ server_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
gf_stat_from_stat (&rsp->stat, stbuf);
- if (inode->ino == 0) {
+ if (inode->ino != 1) {
link_inode = inode_link (inode, state->loc.parent,
state->loc.name, stbuf);
inode_lookup (link_inode);
inode_unref (link_inode);
}
} else {
+ if (state->is_revalidate && op_errno == ENOENT) {
+ inode_unlink (state->loc.inode, state->loc.parent,
+ state->loc.name);
+ }
+
gf_log (this->name,
(op_errno == ENOENT ? GF_LOG_TRACE : GF_LOG_DEBUG),
"%"PRId64": LOOKUP %s (%"PRId64") ==> %"PRId32" (%s)",
@@ -2308,6 +2328,8 @@ server_lookup_resume (call_frame_t *frame, xlator_t *bound_xl)
if (!state->loc.inode)
state->loc.inode = inode_new (state->itable);
+ else
+ state->is_revalidate = 1;
STACK_WIND (frame, server_lookup_cbk,
bound_xl, bound_xl->fops->lookup,