}
run_test 428 "large block size IO should not hang"
+test_429() { # LU-7915 / LU-10948
+ local ll_opencache_threshold_count="llite.*.opencache_threshold_count"
+ local testfile=$DIR/$tfile
+ local mdc_rpcstats="mdc.$FSNAME-MDT0000-*.stats"
+ local new_flag=1
+ local first_rpc
+ local second_rpc
+ local third_rpc
+
+ $LCTL get_param $ll_opencache_threshold_count ||
+ skip "client does not have opencache parameter"
+
+ set_opencache $new_flag
+ stack_trap "restore_opencache"
+ [ $($LCTL get_param -n $ll_opencache_threshold_count) == $new_flag ] ||
+ error "enable opencache failed"
+ touch $testfile
+ # drop MDC DLM locks
+ cancel_lru_locks mdc
+ # clear MDC RPC stats counters
+ $LCTL set_param $mdc_rpcstats=clear
+
+ # According to the current implementation, we need to run 3 times
+ # open & close file to verify if opencache is enabled correctly.
+ # 1st, RPCs are sent for lookup/open and open handle is released on
+ # close finally.
+ # 2nd, RPC is sent for open, MDS_OPEN_LOCK is fetched automatically,
+ # so open handle won't be released thereafter.
+ # 3rd, No RPC is sent out.
+ $MULTIOP $testfile oc || error "multiop failed"
+ first_rpc=$(calc_stats $mdc_rpcstats ldlm_ibits_enqueue)
+ echo "1st: $first_rpc RPCs in flight"
+
+ $MULTIOP $testfile oc || error "multiop failed"
+ second_rpc=$(calc_stats $mdc_rpcstats ldlm_ibits_enqueue)
+ echo "2nd: $second_rpc RPCs in flight"
+
+ $MULTIOP $testfile oc || error "multiop failed"
+ third_rpc=$(calc_stats $mdc_rpcstats ldlm_ibits_enqueue)
+ echo "3rd: $third_rpc RPCs in flight"
+
+ #verify no MDC RPC is sent
+ [[ $second_rpc == $third_rpc ]] || error "MDC RPC is still sent"
+}
+run_test 429 "verify if opencache flag on client side does work"
+
lseek_test_430() {
local offset
local file=$1
check_lsom_data()
{
local file=$1
- local size=$($LFS getsom -s $file)
local expect=$(stat -c %s $file)
- [[ $size == $expect ]] ||
- error "$file expected size: $expect, got: $size"
+ check_lsom_size $1 $expect
local blocks=$($LFS getsom -b $file)
expect=$(stat -c %b $file)
check_lsom_size()
{
- local size=$($LFS getsom -s $1)
+ local size
local expect=$2
+ cancel_lru_locks mdc
+
+ size=$($LFS getsom -s $1)
[[ $size == $expect ]] ||
error "$file expected size: $expect, got: $size"
}