The patch titled
mtd: clean up the backing_dev_info usage
has been removed from the -mm tree. Its filename was
mtd-clean-up-the-backing_dev_info-usage.patch
This patch was dropped because it is obsolete
------------------------------------------------------
Subject: mtd: clean up the backing_dev_info usage
From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Give each mtd device its own backing_dev_info instance.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/mtd/mtdcore.c | 8 +++++---
include/linux/mtd/mtd.h | 2 ++
2 files changed, 7 insertions(+), 3 deletions(-)
diff -puN drivers/mtd/mtdcore.c~mtd-clean-up-the-backing_dev_info-usage drivers/mtd/mtdcore.c
--- a/drivers/mtd/mtdcore.c~mtd-clean-up-the-backing_dev_info-usage
+++ a/drivers/mtd/mtdcore.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/mtd/compatmac.h>
#include <linux/proc_fs.h>
+#include <linux/backing-dev.h>
#include <linux/mtd/mtd.h>
#include "internal.h"
@@ -53,15 +54,16 @@ int add_mtd_device(struct mtd_info *mtd)
if (!mtd->backing_dev_info) {
switch (mtd->type) {
case MTD_RAM:
- mtd->backing_dev_info = &mtd_bdi_rw_mappable;
+ mtd->mtd_backing_dev_info = mtd_bdi_rw_mappable;
break;
case MTD_ROM:
- mtd->backing_dev_info = &mtd_bdi_ro_mappable;
+ mtd->mtd_backing_dev_info = mtd_bdi_ro_mappable;
break;
default:
- mtd->backing_dev_info = &mtd_bdi_unmappable;
+ mtd->mtd_backing_dev_info = mtd_bdi_unmappable;
break;
}
+ mtd->backing_dev_info = &mtd->mtd_backing_dev_info;
}
err = bdi_init(mtd->backing_dev_info);
if (err)
diff -puN include/linux/mtd/mtd.h~mtd-clean-up-the-backing_dev_info-usage include/linux/mtd/mtd.h
--- a/include/linux/mtd/mtd.h~mtd-clean-up-the-backing_dev_info-usage
+++ a/include/linux/mtd/mtd.h
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/uio.h>
#include <linux/notifier.h>
+#include <linux/backing-dev.h>
#include <linux/mtd/compatmac.h>
#include <mtd/mtd-abi.h>
@@ -154,6 +155,7 @@ struct mtd_info {
* - provides mmap capabilities
*/
struct backing_dev_info *backing_dev_info;
+ struct backing_dev_info mtd_backing_dev_info;
int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
_
Patches currently in -mm which might be from a.p.zijlstra@xxxxxxxxx are
radix-tree-use-indirect-bit.patch
nfs-remove-congestion_end.patch
lib-percpu_counter_add.patch
lib-percpu_counter_sub.patch
lib-percpu_counter-variable-batch.patch
lib-make-percpu_counter_add-take-s64.patch
lib-percpu_counter_set.patch
lib-percpu_counter_sum_positive.patch
lib-percpu_count_sum.patch
lib-percpu_counter_init-error-handling.patch
lib-percpu_counter_init_irq.patch
mm-bdi-init-hooks.patch
mtd-bdi-init-hooks.patch
mtd-clean-up-the-backing_dev_info-usage.patch
mtd-give-mtdconcat-devices-their-own-backing_dev_info.patch
mm-scalable-bdi-statistics-counters.patch
mm-count-reclaimable-pages-per-bdi.patch
mm-count-writeback-pages-per-bdi.patch
mm-expose-bdi-statistics-in-sysfs.patch
lib-floating-proportions.patch
mm-per-device-dirty-threshold.patch
mm-dirty-balancing-for-tasks.patch
debug-sysfs-files-for-the-current-ratio-size-total.patch
intel-iommu-dmar-detection-and-parsing-logic.patch
intel-iommu-pci-generic-helper-function.patch
intel-iommu-clflush_cache_range-now-takes-size-param.patch
intel-iommu-iova-allocation-and-management-routines.patch
intel-iommu-intel-iommu-driver.patch
intel-iommu-avoid-memory-allocation-failures-in-dma-map-api-calls.patch
intel-iommu-intel-iommu-cmdline-option-forcedac.patch
intel-iommu-dmar-fault-handling-support.patch
intel-iommu-iommu-gfx-workaround.patch
intel-iommu-iommu-floppy-workaround.patch
task-containersv11-add-procfs-interface-containers-bdi-init-hooks.patch
task-containersv11-shared-container-subsystem-group-arrays-avoid-lockdep-warning.patch
task-containersv11-shared-container-subsystem-group-arrays-include-fix.patch
workqueue-debug-flushing-deadlocks-with-lockdep.patch
workqueue-debug-work-related-deadlocks-with-lockdep.patch
memory-controller-add-documentation.patch
memory-controller-resource-counters-v7.patch
memory-controller-containers-setup-v7.patch
memory-controller-accounting-setup-v7.patch
memory-controller-memory-accounting-v7.patch
memory-controller-task-migration-v7.patch
memory-controller-add-per-container-lru-and-reclaim-v7.patch
memory-controller-add-per-container-lru-and-reclaim-v7-fix.patch
memory-controller-improve-user-interface.patch
memory-controller-oom-handling-v7.patch
memory-controller-add-switch-to-control-what-type-of-pages-to-limit-v7.patch
memory-controller-make-page_referenced-container-aware-v7.patch
memory-controller-make-charging-gfp-mask-aware.patch
-
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