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SCSI fixes on 20241108

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Two small fixes, the drivers one in ufs simply delays running a work
 queue and the generic one in zoned storage switches to a more correct
 API that tries the standard buddy allocator first (for small
 allocations); this fixes an allocation problem with small allocations
 seen under memory pressure.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two small fixes, the drivers one in ufs simply delays running a work
  queue and the generic one in zoned storage switches to a more correct
  API that tries the standard buddy allocator first (for small
  allocations); this fixes an allocation problem with small allocations
  seen under memory pressure"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: core: Start the RTC update work later
  scsi: sd_zbc: Use kvzalloc() to allocate REPORT ZONES buffer
This commit is contained in:
Linus Torvalds 2024-11-08 09:56:27 -10:00
commit c291c9cfd7
2 changed files with 9 additions and 4 deletions
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3
drivers/scsi/sd_zbc.c
View File

@ -188,8 +188,7 @@ static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp,
bufsize = min_t(size_t, bufsize, queue_max_segments(q) << PAGE_SHIFT);
while (bufsize >= SECTOR_SIZE) {
buf = __vmalloc(bufsize,
GFP_KERNEL | __GFP_ZERO | __GFP_NORETRY);
buf = kvzalloc(bufsize, GFP_KERNEL | __GFP_NORETRY);
if (buf) {
*buflen = bufsize;
return buf;

10
drivers/ufs/core/ufshcd.c
View File

@ -8636,6 +8636,14 @@ static int ufshcd_add_lus(struct ufs_hba *hba)
ufshcd_init_clk_scaling_sysfs(hba);
}
/*
* The RTC update code accesses the hba->ufs_device_wlun->sdev_gendev
* pointer and hence must only be started after the WLUN pointer has
* been initialized by ufshcd_scsi_add_wlus().
*/
schedule_delayed_work(&hba->ufs_rtc_update_work,
msecs_to_jiffies(UFS_RTC_UPDATE_INTERVAL_MS));
ufs_bsg_probe(hba);
scsi_scan_host(hba->host);
@ -8795,8 +8803,6 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params)
ufshcd_force_reset_auto_bkops(hba);
ufshcd_set_timestamp_attr(hba);
schedule_delayed_work(&hba->ufs_rtc_update_work,
msecs_to_jiffies(UFS_RTC_UPDATE_INTERVAL_MS));
/* Gear up to HS gear if supported */
if (hba->max_pwr_info.is_valid) {