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authorDavid Howells <dhowells@redhat.com>2018-10-20 00:57:59 +0100
committerDavid Howells <dhowells@redhat.com>2018-10-24 00:41:09 +0100
commit3bf0fb6f33dd545693da5e65f5b1b9b9f0bfc35e (patch)
treedf215e6a6ad11b6ac8158461144667e168591d28 /include/trace
parent18ac61853cc4e44eb30e125fc8344a3b25c7b6fe (diff)
afs: Probe multiple fileservers simultaneously
Send probes to all the unprobed fileservers in a fileserver list on all addresses simultaneously in an attempt to find out the fastest route whilst not getting stuck for 20s on any server or address that we don't get a reply from. This alleviates the problem whereby attempting to access a new server can take a long time because the rotation algorithm ends up rotating through all servers and addresses until it finds one that responds. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/afs.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h
index ed155042236b..33d291888ba9 100644
--- a/include/trace/events/afs.h
+++ b/include/trace/events/afs.h
@@ -137,6 +137,7 @@ enum afs_io_error {
afs_io_error_extract,
afs_io_error_fs_probe_fail,
afs_io_error_vl_lookup_fail,
+ afs_io_error_vl_probe_fail,
};
enum afs_file_error {
@@ -261,7 +262,8 @@ enum afs_file_error {
EM(afs_io_error_cm_reply, "CM_REPLY") \
EM(afs_io_error_extract, "EXTRACT") \
EM(afs_io_error_fs_probe_fail, "FS_PROBE_FAIL") \
- E_(afs_io_error_vl_lookup_fail, "VL_LOOKUP_FAIL")
+ EM(afs_io_error_vl_lookup_fail, "VL_LOOKUP_FAIL") \
+ E_(afs_io_error_vl_probe_fail, "VL_PROBE_FAIL")
#define afs_file_errors \
EM(afs_file_error_dir_bad_magic, "DIR_BAD_MAGIC") \