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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-17 17:24:04 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-17 17:24:04 +0100 |
| commit | ac1d426e825ab5778995f2f6f053ca2e6b45c622 (patch) | |
| tree | 75b91356ca39463e0112931aa6790802fb1e07a2 /drivers/scsi/scsi_error.c | |
| parent | fda0e18c8a7a3e02747c2b045b4fcd2c920410b9 (diff) | |
| parent | a3685f00652af83f12b63e3b4ef48f29581ba48b (diff) | |
| download | lwn-ac1d426e825ab5778995f2f6f053ca2e6b45c622.tar.gz lwn-ac1d426e825ab5778995f2f6f053ca2e6b45c622.zip | |
Merge branch 'devel-stable' into devel
Conflicts:
arch/arm/Kconfig
arch/arm/include/asm/system.h
arch/arm/mm/Kconfig
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 08ed506e6059..7ad53fa42766 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/sched.h> +#include <linux/gfp.h> #include <linux/timer.h> #include <linux/string.h> #include <linux/kernel.h> @@ -301,7 +302,20 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) if (scmd->device->allow_restart && (sshdr.asc == 0x04) && (sshdr.ascq == 0x02)) return FAILED; - return SUCCESS; + + if (blk_barrier_rq(scmd->request)) + /* + * barrier requests should always retry on UA + * otherwise block will get a spurious error + */ + return NEEDS_RETRY; + else + /* + * for normal (non barrier) commands, pass the + * UA upwards for a determination in the + * completion functions + */ + return SUCCESS; /* these three are not supported */ case COPY_ABORTED: |