From a35989a0723c53b0364322e39c7a9495336ff7e6 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Mon, 25 Nov 2019 16:05:18 +0900 Subject: [PATCH 1/1] scsi: sd_zbc: Improve report zones error printout In the case of a report zones command failure, instead of simply printing the host_byte and driver_byte values returned, print a message that is more human readable and useful, adding sense codes too. To do so, use the already defined sd_print_sense_hdr() and sd_print_result() functions by moving the declaration of these functions into sd.h. Link: https://lore.kernel.org/r/20191125070518.951717-1-damien.lemoal@wdc.com Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/sd.c | 9 ++------- drivers/scsi/sd.h | 3 +++ drivers/scsi/sd_zbc.c | 8 +++++--- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 326e2877f169..93edccb1a737 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -122,8 +122,6 @@ static void sd_eh_reset(struct scsi_cmnd *); static int sd_eh_action(struct scsi_cmnd *, int); static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer); static void scsi_disk_release(struct device *cdev); -static void sd_print_sense_hdr(struct scsi_disk *, struct scsi_sense_hdr *); -static void sd_print_result(const struct scsi_disk *, const char *, int); static DEFINE_IDA(sd_index_ida); @@ -3704,15 +3702,13 @@ static void __exit exit_sd(void) module_init(init_sd); module_exit(exit_sd); -static void sd_print_sense_hdr(struct scsi_disk *sdkp, - struct scsi_sense_hdr *sshdr) +void sd_print_sense_hdr(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr) { scsi_print_sense_hdr(sdkp->device, sdkp->disk ? sdkp->disk->disk_name : NULL, sshdr); } -static void sd_print_result(const struct scsi_disk *sdkp, const char *msg, - int result) +void sd_print_result(const struct scsi_disk *sdkp, const char *msg, int result) { const char *hb_string = scsi_hostbyte_string(result); const char *db_string = scsi_driverbyte_string(result); @@ -3727,4 +3723,3 @@ static void sd_print_result(const struct scsi_disk *sdkp, const char *msg, "%s: Result: hostbyte=0x%02x driverbyte=0x%02x\n", msg, host_byte(result), driver_byte(result)); } - diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 1eab779f812b..43dc0228f1ce 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -239,4 +239,7 @@ static inline void sd_zbc_complete(struct scsi_cmnd *cmd, #endif /* CONFIG_BLK_DEV_ZONED */ +void sd_print_sense_hdr(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr); +void sd_print_result(const struct scsi_disk *sdkp, const char *msg, int result); + #endif /* _SCSI_DISK_H */ diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index de4019dc0f0b..71db972bf71f 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -87,9 +87,11 @@ static int sd_zbc_do_report_zones(struct scsi_disk *sdkp, unsigned char *buf, timeout, SD_MAX_RETRIES, NULL); if (result) { sd_printk(KERN_ERR, sdkp, - "REPORT ZONES lba %llu failed with %d/%d\n", - (unsigned long long)lba, - host_byte(result), driver_byte(result)); + "REPORT ZONES start lba %llu failed\n", lba); + sd_print_result(sdkp, "REPORT ZONES", result); + if (driver_byte(result) == DRIVER_SENSE && + scsi_sense_valid(&sshdr)) + sd_print_sense_hdr(sdkp, &sshdr); return -EIO; } -- 2.45.2