llog_obd.c:
consolidate spin_lock/unlock waiting with spin_unlock_wait()
config: x86_64_defconfig with the following addition
Device Drivers --->
[*] Staging drivers --->
<M> Lustre file system client support
toolchain: debian wheezy default x86_64-linux-gnu 4.4.5
Builds llog_obd.o without warnings.
no runtime tests done
CC: Peng Tao <bergwolf@xxxxxxxxx>
CC: Alex Zhuravlev <alexey.zhuravlev@xxxxxxxxx>
Signed-off-by: Nicholas Mc Guire <der.herr@xxxxxxx>
---
drivers/staging/lustre/lustre/obdclass/llog_obd.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/lustre/lustre/obdclass/llog_obd.c b/drivers/staging/lustre/lustre/obdclass/llog_obd.c
index 71817af..e6c0b90 100644
--- a/drivers/staging/lustre/lustre/obdclass/llog_obd.c
+++ b/drivers/staging/lustre/lustre/obdclass/llog_obd.c
@@ -84,9 +84,8 @@ int __llog_ctxt_put(const struct lu_env *env, struct llog_ctxt *ctxt)
spin_unlock(&olg->olg_lock);
obd = ctxt->loc_obd;
- spin_lock(&obd->obd_dev_lock);
/* sync with llog ctxt user thread */
- spin_unlock(&obd->obd_dev_lock);
+ spin_unlock_wait(&obd->obd_dev_lock);
/* obd->obd_starting is needed for the case of cleanup
* in error case while obd is starting up. */
--
1.7.2.5
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