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| author | Bart Van Assche <bvanassche@acm.org> | 2021-04-16 00:08:07 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-16 04:44:39 +0200 |
| commit | 76fc0df9a0e717f7213424a28cbe1263355d8228 (patch) | |
| tree | 6f009003e70ee27c044866cd2a273e6109856aed /drivers/scsi | |
| parent | scsi: pm80xx: Remove global lock from outbound queue processing (diff) | |
| download | linux-76fc0df9a0e717f7213424a28cbe1263355d8228.tar.xz linux-76fc0df9a0e717f7213424a28cbe1263355d8228.zip | |
scsi: core: Make the scsi_alloc_sgtables() documentation more accurate
The current scsi_alloc_sgtables() documentation does not accurately explain
what this function does. Hence improve the documentation of this function.
Link: https://lore.kernel.org/r/20210415220826.29438-2-bvanassche@acm.org
Cc: Christoph Hellwig <hch@lst.de>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 4bcd744a5c85..c092b1be38d7 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -999,8 +999,11 @@ static inline bool scsi_cmd_needs_dma_drain(struct scsi_device *sdev, } /** - * scsi_alloc_sgtables - allocate S/G tables for a command - * @cmd: command descriptor we wish to initialize + * scsi_alloc_sgtables - Allocate and initialize data and integrity scatterlists + * @cmd: SCSI command data structure to initialize. + * + * Initializes @cmd->sdb and also @cmd->prot_sdb if data integrity is enabled + * for @cmd. * * Returns: * * BLK_STS_OK - on success |