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Diffstat (limited to 'fs/orangefs/devorangefs-req.c')
| -rw-r--r-- | fs/orangefs/devorangefs-req.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c index e1534c9bab16..c19f0787c9c6 100644 --- a/fs/orangefs/devorangefs-req.c +++ b/fs/orangefs/devorangefs-req.c @@ -180,6 +180,10 @@ static ssize_t orangefs_devreq_read(struct file *file, return -EINVAL; } + /* Check for an empty list before locking. */ + if (list_empty(&orangefs_request_list)) + return -EAGAIN; + restart: /* Get next op (if any) from top of list. */ spin_lock(&orangefs_request_list_lock); |