diff options
Diffstat (limited to 'fs/orangefs/devorangefs-req.c')
| -rw-r--r-- | fs/orangefs/devorangefs-req.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c index 516ffb4dc9a0..e1534c9bab16 100644 --- a/fs/orangefs/devorangefs-req.c +++ b/fs/orangefs/devorangefs-req.c @@ -208,14 +208,19 @@ restart: continue; /* * Skip ops whose filesystem we don't know about unless - * it is being mounted. + * it is being mounted or unmounted. It is possible for + * a filesystem we don't know about to be unmounted if + * it fails to mount in the kernel after userspace has + * been sent the mount request. */ /* XXX: is there a better way to detect this? */ } else if (ret == -1 && !(op->upcall.type == ORANGEFS_VFS_OP_FS_MOUNT || op->upcall.type == - ORANGEFS_VFS_OP_GETATTR)) { + ORANGEFS_VFS_OP_GETATTR || + op->upcall.type == + ORANGEFS_VFS_OP_FS_UMOUNT)) { gossip_debug(GOSSIP_DEV_DEBUG, "orangefs: skipping op tag %llu %s\n", llu(op->tag), get_opname_string(op)); @@ -355,7 +360,6 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb, __u64 tag; } head; int total = ret = iov_iter_count(iter); - int n; int downcall_size = sizeof(struct orangefs_downcall_s); int head_size = sizeof(head); @@ -372,8 +376,7 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb, return -EFAULT; } - n = copy_from_iter(&head, head_size, iter); - if (n < head_size) { + if (!copy_from_iter_full(&head, head_size, iter)) { gossip_err("%s: failed to copy head.\n", __func__); return -EFAULT; } @@ -402,13 +405,13 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb, /* remove the op from the in progress hash table */ op = orangefs_devreq_remove_op(head.tag); if (!op) { - gossip_err("WARNING: No one's waiting for tag %llu\n", - llu(head.tag)); + gossip_debug(GOSSIP_DEV_DEBUG, + "%s: No one's waiting for tag %llu\n", + __func__, llu(head.tag)); return ret; } - n = copy_from_iter(&op->downcall, downcall_size, iter); - if (n != downcall_size) { + if (!copy_from_iter_full(&op->downcall, downcall_size, iter)) { gossip_err("%s: failed to copy downcall.\n", __func__); goto Efault; } @@ -462,10 +465,8 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb, goto Enomem; } memset(op->downcall.trailer_buf, 0, op->downcall.trailer_size); - n = copy_from_iter(op->downcall.trailer_buf, - op->downcall.trailer_size, - iter); - if (n != op->downcall.trailer_size) { + if (!copy_from_iter_full(op->downcall.trailer_buf, + op->downcall.trailer_size, iter)) { gossip_err("%s: failed to copy trailer.\n", __func__); vfree(op->downcall.trailer_buf); goto Efault; |