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author | David S. Miller <davem@davemloft.net> | 2010-12-27 07:37:05 +0100 |
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committer | David S. Miller <davem@davemloft.net> | 2010-12-27 07:37:05 +0100 |
commit | 17f7f4d9fcce8f1b75b5f735569309dee7665968 (patch) | |
tree | 14d7e49ca0053a0fcab3c33b5023bf3f90c5c08a /drivers/scsi/scsi.c | |
parent | Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher... (diff) | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 (diff) | |
download | linux-17f7f4d9fcce8f1b75b5f735569309dee7665968.tar.xz linux-17f7f4d9fcce8f1b75b5f735569309dee7665968.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/ipv4/fib_frontend.c
Diffstat (limited to 'drivers/scsi/scsi.c')
-rw-r--r-- | drivers/scsi/scsi.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 348fba0a8976..2aeb2e9c4d3b 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -634,12 +634,13 @@ void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) * Description: a serial number identifies a request for error recovery * and debugging purposes. Protected by the Host_Lock of host. */ -static inline void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd) +void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd) { cmd->serial_number = host->cmd_serial_number++; if (cmd->serial_number == 0) cmd->serial_number = host->cmd_serial_number++; } +EXPORT_SYMBOL(scsi_cmd_get_serial); /** * scsi_dispatch_command - Dispatch a command to the low-level driver. @@ -651,7 +652,6 @@ static inline void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd int scsi_dispatch_cmd(struct scsi_cmnd *cmd) { struct Scsi_Host *host = cmd->device->host; - unsigned long flags = 0; unsigned long timeout; int rtn = 0; @@ -737,23 +737,15 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) goto out; } - spin_lock_irqsave(host->host_lock, flags); - /* - * AK: unlikely race here: for some reason the timer could - * expire before the serial number is set up below. - * - * TODO: kill serial or move to blk layer - */ - scsi_cmd_get_serial(host, cmd); - if (unlikely(host->shost_state == SHOST_DEL)) { cmd->result = (DID_NO_CONNECT << 16); scsi_done(cmd); } else { trace_scsi_dispatch_cmd_start(cmd); - rtn = host->hostt->queuecommand(cmd, scsi_done); + cmd->scsi_done = scsi_done; + rtn = host->hostt->queuecommand(host, cmd); } - spin_unlock_irqrestore(host->host_lock, flags); + if (rtn) { trace_scsi_dispatch_cmd_error(cmd, rtn); if (rtn != SCSI_MLQUEUE_DEVICE_BUSY && |