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[GIT,PULL] SCSI fixes for 6.9-rc6

Message ID 1bbda065d2089acaca9ab88a3938234a60e780f1.camel@HansenPartnership.com
State New
Headers show
Series [GIT,PULL] SCSI fixes for 6.9-rc6 | expand

Commit Message

James Bottomley April 29, 2024, 7:20 p.m. UTC 
Minor core fix to prevent the sd driver printing the stream count every
time we rescan and instead print only if it's changed

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

John Garry (1):
      scsi: sd: Only print updates to permanent stream count

And the diffstat:

 drivers/scsi/sd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

With full diff below.

James

---

Comments

pr-tracker-bot@kernel.org April 29, 2024, 9:40 p.m. UTC | #1 
The pull request you sent on Mon, 29 Apr 2024 15:20:10 -0400:

> git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/d03d4188908883e1705987795a09aeed31424f66

Thank you!
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Patch

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 58fdf679341d..65cdc8b77e35 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3120,6 +3120,7 @@  static void sd_read_io_hints(struct scsi_disk *sdkp, unsigned char *buffer)
 {
 	struct scsi_device *sdp = sdkp->device;
 	const struct scsi_io_group_descriptor *desc, *start, *end;
+	u16 permanent_stream_count_old;
 	struct scsi_sense_hdr sshdr;
 	struct scsi_mode_data data;
 	int res;
@@ -3140,12 +3141,13 @@  static void sd_read_io_hints(struct scsi_disk *sdkp, unsigned char *buffer)
 	for (desc = start; desc < end; desc++)
 		if (!desc->st_enble || !sd_is_perm_stream(sdkp, desc - start))
 			break;
+	permanent_stream_count_old = sdkp->permanent_stream_count;
 	sdkp->permanent_stream_count = desc - start;
 	if (sdkp->rscs && sdkp->permanent_stream_count < 2)
 		sd_printk(KERN_INFO, sdkp,
 			  "Unexpected: RSCS has been set and the permanent stream count is %u\n",
 			  sdkp->permanent_stream_count);
-	else if (sdkp->permanent_stream_count)
+	else if (sdkp->permanent_stream_count != permanent_stream_count_old)
 		sd_printk(KERN_INFO, sdkp, "permanent stream count = %d\n",
 			  sdkp->permanent_stream_count);
 }