diff options
Diffstat (limited to 'debian/patches/bugfix/all/Revert-scsi-core-Add-struct-for-args-to-execution-fu.patch')
| -rw-r--r-- | debian/patches/bugfix/all/Revert-scsi-core-Add-struct-for-args-to-execution-fu.patch | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/debian/patches/bugfix/all/Revert-scsi-core-Add-struct-for-args-to-execution-fu.patch b/debian/patches/bugfix/all/Revert-scsi-core-Add-struct-for-args-to-execution-fu.patch new file mode 100644 index 000000000..5e77d7985 --- /dev/null +++ b/debian/patches/bugfix/all/Revert-scsi-core-Add-struct-for-args-to-execution-fu.patch @@ -0,0 +1,198 @@ +From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Date: Thu, 11 Apr 2024 09:26:49 +0200 +Subject: Revert "scsi: core: Add struct for args to execution functions" +Origin: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit?id=d1e620297a84caac1cd67615f4f4f6901527ca2b + +This reverts commit cf33e6ca12d814e1be2263cb76960d0019d7fb94 which is +commit d0949565811f0896c1c7e781ab2ad99d34273fdf upstream. + +It is known to cause problems and has asked to be dropped. + +Link: https://lore.kernel.org/r/yq1frvvpymp.fsf@ca-mkp.ca.oracle.com +Cc: Tasos Sahanidis <tasos@tasossah.com> +Cc: Ewan D. Milne <emilne@redhat.com> +Cc: Bart Van Assche <bvanassche@acm.org> +Cc: Tasos Sahanidis <tasos@tasossah.com> +Cc: Martin K. Petersen <martin.petersen@oracle.com> +Cc: James Bottomley <jejb@linux.ibm.com> +Cc: Sasha Levin <sashal@kernel.org> +Reported-by: John David Anglin <dave.anglin@bell.net> +Reported-by: Cyril Brulebois <kibi@debian.org> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/scsi/scsi_lib.c | 52 ++++++++++++++++++++------------------ + include/scsi/scsi_device.h | 51 ++++++++++--------------------------- + 2 files changed, 41 insertions(+), 62 deletions(-) + +diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c +index edd296f950a3..5c5954b78585 100644 +--- a/drivers/scsi/scsi_lib.c ++++ b/drivers/scsi/scsi_lib.c +@@ -185,37 +185,39 @@ void scsi_queue_insert(struct scsi_cmnd *cmd, int reason) + __scsi_queue_insert(cmd, reason, true); + } + ++ + /** +- * scsi_execute_cmd - insert request and wait for the result +- * @sdev: scsi_device ++ * __scsi_execute - insert request and wait for the result ++ * @sdev: scsi device + * @cmd: scsi command +- * @opf: block layer request cmd_flags ++ * @data_direction: data direction + * @buffer: data buffer + * @bufflen: len of buffer ++ * @sense: optional sense buffer ++ * @sshdr: optional decoded sense header + * @timeout: request timeout in HZ + * @retries: number of times to retry request +- * @args: Optional args. See struct definition for field descriptions ++ * @flags: flags for ->cmd_flags ++ * @rq_flags: flags for ->rq_flags ++ * @resid: optional residual length + * + * Returns the scsi_cmnd result field if a command was executed, or a negative + * Linux error code if we didn't get that far. + */ +-int scsi_execute_cmd(struct scsi_device *sdev, const unsigned char *cmd, +- blk_opf_t opf, void *buffer, unsigned int bufflen, +- int timeout, int retries, +- const struct scsi_exec_args *args) ++int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, ++ int data_direction, void *buffer, unsigned bufflen, ++ unsigned char *sense, struct scsi_sense_hdr *sshdr, ++ int timeout, int retries, blk_opf_t flags, ++ req_flags_t rq_flags, int *resid) + { +- static const struct scsi_exec_args default_args; + struct request *req; + struct scsi_cmnd *scmd; + int ret; + +- if (!args) +- args = &default_args; +- else if (WARN_ON_ONCE(args->sense && +- args->sense_len != SCSI_SENSE_BUFFERSIZE)) +- return -EINVAL; +- +- req = scsi_alloc_request(sdev->request_queue, opf, args->req_flags); ++ req = scsi_alloc_request(sdev->request_queue, ++ data_direction == DMA_TO_DEVICE ? ++ REQ_OP_DRV_OUT : REQ_OP_DRV_IN, ++ rq_flags & RQF_PM ? BLK_MQ_REQ_PM : 0); + if (IS_ERR(req)) + return PTR_ERR(req); + +@@ -230,7 +232,8 @@ int scsi_execute_cmd(struct scsi_device *sdev, const unsigned char *cmd, + memcpy(scmd->cmnd, cmd, scmd->cmd_len); + scmd->allowed = retries; + req->timeout = timeout; +- req->rq_flags |= RQF_QUIET; ++ req->cmd_flags |= flags; ++ req->rq_flags |= rq_flags | RQF_QUIET; + + /* + * head injection *required* here otherwise quiesce won't work +@@ -246,21 +249,20 @@ int scsi_execute_cmd(struct scsi_device *sdev, const unsigned char *cmd, + if (unlikely(scmd->resid_len > 0 && scmd->resid_len <= bufflen)) + memset(buffer + bufflen - scmd->resid_len, 0, scmd->resid_len); + +- if (args->resid) +- *args->resid = scmd->resid_len; +- if (args->sense) +- memcpy(args->sense, scmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); +- if (args->sshdr) ++ if (resid) ++ *resid = scmd->resid_len; ++ if (sense && scmd->sense_len) ++ memcpy(sense, scmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); ++ if (sshdr) + scsi_normalize_sense(scmd->sense_buffer, scmd->sense_len, +- args->sshdr); +- ++ sshdr); + ret = scmd->result; + out: + blk_mq_free_request(req); + + return ret; + } +-EXPORT_SYMBOL(scsi_execute_cmd); ++EXPORT_SYMBOL(__scsi_execute); + + /* + * Wake up the error handler if necessary. Avoid as follows that the error +diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h +index b407807cc669..d2751ed536df 100644 +--- a/include/scsi/scsi_device.h ++++ b/include/scsi/scsi_device.h +@@ -479,51 +479,28 @@ extern const char *scsi_device_state_name(enum scsi_device_state); + extern int scsi_is_sdev_device(const struct device *); + extern int scsi_is_target_device(const struct device *); + extern void scsi_sanitize_inquiry_string(unsigned char *s, int len); +- +-/* Optional arguments to scsi_execute_cmd */ +-struct scsi_exec_args { +- unsigned char *sense; /* sense buffer */ +- unsigned int sense_len; /* sense buffer len */ +- struct scsi_sense_hdr *sshdr; /* decoded sense header */ +- blk_mq_req_flags_t req_flags; /* BLK_MQ_REQ flags */ +- int *resid; /* residual length */ +-}; +- +-int scsi_execute_cmd(struct scsi_device *sdev, const unsigned char *cmd, +- blk_opf_t opf, void *buffer, unsigned int bufflen, +- int timeout, int retries, +- const struct scsi_exec_args *args); +- ++extern int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, ++ int data_direction, void *buffer, unsigned bufflen, ++ unsigned char *sense, struct scsi_sense_hdr *sshdr, ++ int timeout, int retries, blk_opf_t flags, ++ req_flags_t rq_flags, int *resid); + /* Make sure any sense buffer is the correct size. */ +-#define scsi_execute(_sdev, _cmd, _data_dir, _buffer, _bufflen, _sense, \ +- _sshdr, _timeout, _retries, _flags, _rq_flags, \ +- _resid) \ ++#define scsi_execute(sdev, cmd, data_direction, buffer, bufflen, sense, \ ++ sshdr, timeout, retries, flags, rq_flags, resid) \ + ({ \ +- scsi_execute_cmd(_sdev, _cmd, (_data_dir == DMA_TO_DEVICE ? \ +- REQ_OP_DRV_OUT : REQ_OP_DRV_IN) | _flags, \ +- _buffer, _bufflen, _timeout, _retries, \ +- &(struct scsi_exec_args) { \ +- .sense = _sense, \ +- .sshdr = _sshdr, \ +- .req_flags = _rq_flags & RQF_PM ? \ +- BLK_MQ_REQ_PM : 0, \ +- .resid = _resid, \ +- }); \ ++ BUILD_BUG_ON((sense) != NULL && \ ++ sizeof(sense) != SCSI_SENSE_BUFFERSIZE); \ ++ __scsi_execute(sdev, cmd, data_direction, buffer, bufflen, \ ++ sense, sshdr, timeout, retries, flags, rq_flags, \ ++ resid); \ + }) +- + static inline int scsi_execute_req(struct scsi_device *sdev, + const unsigned char *cmd, int data_direction, void *buffer, + unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout, + int retries, int *resid) + { +- return scsi_execute_cmd(sdev, cmd, +- data_direction == DMA_TO_DEVICE ? +- REQ_OP_DRV_OUT : REQ_OP_DRV_IN, buffer, +- bufflen, timeout, retries, +- &(struct scsi_exec_args) { +- .sshdr = sshdr, +- .resid = resid, +- }); ++ return scsi_execute(sdev, cmd, data_direction, buffer, ++ bufflen, NULL, sshdr, timeout, retries, 0, 0, resid); + } + extern void sdev_disable_disk_events(struct scsi_device *sdev); + extern void sdev_enable_disk_events(struct scsi_device *sdev); +-- +2.43.0 + |