From: Jinshan Xiong <jinshan.xiong@xxxxxxxxx> The root cause is that when max_cache_mb conf parameter is applied, the client isn't connected to the OST yet so that sbi->ll_dt_exp is NULL. However, it's not necessary to shrink the cache memory in this case so success should be returned. Signed-off-by: Jinshan Xiong <jinshan.xiong@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3676 Reviewed-on: http://review.whamcloud.com/7194 Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> Reviewed-by: Bobi Jam <bobijam@xxxxxxxxx> Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> --- drivers/staging/lustre/lustre/llite/lproc_llite.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index 091144f..6947913 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -461,8 +461,8 @@ static ssize_t ll_max_cached_mb_seq_write(struct file *file, break; if (!sbi->ll_dt_exp) { /* being initialized */ - rc = -ENODEV; - break; + rc = 0; + goto out; } /* difficult - have to ask OSCs to drop LRU slots. */ -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
