Implement the ->set_read_only method for nd_btt.
Signed-off-by: Huaisheng Ye
---
drivers/nvdimm/btt.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 92dec4952297..91fcdac7858f 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/bt
Implement the ->set_read_only method for nd_blk.
Signed-off-by: Huaisheng Ye
---
drivers/nvdimm/blk.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/nvdimm/blk.c b/drivers/nvdimm/blk.c
index 088d3dd6f6fa..9d76980ebff7 100644
--- a/drivers/nvdimm/blk.c
+++ b/drivers/nvdimm/bl
Implement the ->set_read_only method for nd_pmem.
Signed-off-by: Huaisheng Ye
---
drivers/nvdimm/pmem.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index ef4950f80832..38ede1f44f5f 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvd
kdev_roset just modifies the value of bd_read_only of struct block_device
and returns success to ioctl of block device. Error would happen when writing
read-only disk next.
Add ro state control function in libnvdimm for this purpose.
Signed-off-by: Huaisheng Ye
---
drivers/nvdimm/
d_only for BLKROSET.
Huaisheng Ye (4):
libnvdimm: add a ro state control function for nvdimm
libnvdimm/pmem: implement ->set_read_only to hook into BLKROSET
processing
libnvdimm/blk: implement ->set_read_only to hook into BLKROSET
processing
libnvdimm/btt: implement ->set_rea
From: Huaisheng Ye
The local variable disk details is not used during the creating of thin & snap
devices. Remove them from dm-thin-metadata, and add pointer validity check for
pointer value in btree_lookup_raw. Skip memory copy when the caller doesn't need
the value.
Signed-off-by:
From: Huaisheng Ye
When uncommitted entry has been discarded, correct wc->uncommitted_block
for getting the exact number.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecach
From: Huaisheng Ye
The array bio_in_progress is only used with ssd mode. So skip
writecache_wait_for_ios in writecache_discard when pmem mode.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm
From: Huaisheng Ye
When wc_entry has been removed from wbl->list in writeback, it will
be not used again except waiting to be set free in writecache_free_entry.
That is a little of annoying, it has to reinitialize lru of wc_entry
in endio before calling writecache_free_entry.
Us
From: Huaisheng Ye
The workqueue's name should be "writecache-writeback" instead of
"writecache-writeabck".
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm-writecache.c b/d
From: Huaisheng Ye
seq_count is important for flush operations, output it within status
for debugging and analyzing code behavior.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-writecache.c b
From: Huaisheng Ye
Add intro and usage guide for reinit.
Signed-off-by: Huaisheng Ye
---
Documentation/device-mapper/writecache.txt | 4
1 file changed, 4 insertions(+)
diff --git a/Documentation/device-mapper/writecache.txt
b/Documentation/device-mapper/writecache.txt
index 01532b3
From: Huaisheng Ye
When use persistent memory as cache data device, sometimes
the super block of pmem has messy data stored in it. That would
have risk to lead fn ctr failed to work due to invalid magic or
version.
Here we expand pmem_reinit to optional parameters in order to solve
this issue
From: Huaisheng Ye
writecache_flush_region only works when SSD mode.
If wc->pmem_mode sets, writecache_flush_region doesn't need to be called in
writecache_flush_entry.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/dr
From: Huaisheng Ye
This patch set could be used for dm-writecache when use persistent
memory as cache data device.
Patch 1 and 2 go towards removing unused parameter and codes which
actually doesn't really work.
Patch 3 and 4 are targeted at solving problem fn ctr failed to work
due to in
From: Huaisheng Ye
writecache_flush_region doesn't use size to calculate flush region.
That uses _set_bits to mark the region in dirty_bitmap directly.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --
From: Huaisheng Ye
Add intro and usage guide for reinit.
Signed-off-by: Huaisheng Ye
---
Documentation/device-mapper/writecache.txt | 4
1 file changed, 4 insertions(+)
diff --git a/Documentation/device-mapper/writecache.txt
b/Documentation/device-mapper/writecache.txt
index 01532b3
From: Huaisheng Ye
writecache_flush_region doesn't use size to calculate flush region.
That uses _set_bits to mark the region in dirty_bitmap directly.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --
From: Huaisheng Ye
writecache_flush_region only works when SSD mode.
If wc->pmem_mode sets, writecache_flush_region doesn't need to be called in
writecache_flush_entry.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/dr
From: Huaisheng Ye
When use persistent memory as cache data device, sometimes
the super block of pmem has messy data stored in it. That would
have risk to lead fn ctr failed to work due to invalid magic or
version.
Here we expand pmem_reinit to optional parameters in order to solve
this issue
From: Huaisheng Ye
This patch set could be used for dm-writecache when use persistent
memory as cache data device.
Patch 1 and 2 go towards removing unused parameter and codes which
actually doesn't really work.
Patch 3 and 4 are targeted at solving problem fn ctr failed to work
due to in
From: Huaisheng Ye
dma_common_get_sgtable has parameter attrs which is not used at all.
Remove it.
Signed-off-by: Huaisheng Ye
Acked-by: Stefano Stabellini
---
drivers/xen/swiotlb-xen.c | 2 +-
include/linux/dma-mapping.h | 2 +-
kernel/dma/mapping.c| 6 ++
3 files changed, 4
From: Huaisheng Ye
writecache_flush_region only works when SSD mode.
If wc->pmem_mode sets, writecache_flush_region doesn't need to be called in
writecache_flush_entry.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/dr
From: Huaisheng Ye
writecache_flush_region doesn't use size to calculate flush region.
That uses _set_bits to mark the region in dirty_bitmap directly.
Signed-off-by: Huaisheng Ye
---
drivers/md/dm-writecache.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --
From: Huaisheng Ye
dma_common_get_sgtable has parameter attrs which is not used at all.
Remove it.
Signed-off-by: Huaisheng Ye
---
drivers/xen/swiotlb-xen.c | 2 +-
include/linux/dma-mapping.h | 5 ++---
kernel/dma/mapping.c| 3 +--
3 files changed, 4 insertions(+), 6 deletions
From: Huaisheng Ye
There are compiler warnings within functions 'dcn10_log_hubbub_state’
and 'dcn10_get_hubbub_state’. This patch avoids the compiler reports
the following warning when building amdgpu.ko.
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c: In
From: Huaisheng Ye
Some functions within fs/dax don't need to get local pointer kaddr
or variable pfn from direct_access. Using NULL instead of having to
pass in useless pointer or variable that caller then just throw away.
Signed-off-by: Huaisheng Ye
---
fs/dax.c | 13 -
1
From: Huaisheng Ye
Function persistent_memory_claim doesn't need to get local pointer
dummy_addr from direct_access. Using NULL instead of having to pass
in a useless local pointer that caller then just throw away.
Suggested-by: Ross Zwisler
Signed-off-by: Huaisheng Ye
---
drivers/
From: Huaisheng Ye
The mock / test version of pmem_direct_access() needs to check the
validity of pointers kaddr and pfn for NULL assignment. If anyone
equals to NULL, it doesn't need to calculate the value.
If pointer equals to NULL, that is to say callers may have no need for
kaddr or pf
From: Huaisheng Ye
Function __bdev_dax_supported doesn't need to get local pointer kaddr
from direct_access. Using NULL instead of having to pass in a useless
local pointer that caller then just throw away.
Signed-off-by: Huaisheng Ye
---
drivers/dax/super.c | 3 +--
1 file chang
From: Huaisheng Ye
dcssblk_direct_access() needs to check the validity of pointers kaddr
and pfn for NULL assignment. If anyone equals to NULL, it doesn't need
to calculate the value.
If either of them is equal to NULL, that is to say callers may
have no need for kaddr or pfn, so this pat
From: Huaisheng Ye
Changes since v1 [1]:
* Involve the previous patches for pfn can be NULL.
* Reword the patch descriptions according to Christian's comment.
* According to Ross's suggestion, replace local pointer dummy_addr
with NULL within md/dm-writecache for direct_access.
From: Huaisheng Ye
pmem_direct_access() needs to check the validity of pointers kaddr
and pfn for NULL assignment. If anyone equals to NULL, it doesn't need
to calculate the value.
If pointer equals to NULL, that is to say callers may have no need for
kaddr or pfn, so this patch is prepare
From: Huaisheng Ye
Some functions within fs/dax don't need to get pointer kaddr from
direct_access. In support of allowing memmap initialization to run
in the background elide requests for pointer kaddr when not required.
Signed-off-by: Huaisheng Ye
---
fs/dax.c | 3 +--
1 file chang
On Thu, 05 Jul 2018 00:48:40 +0800 Dan Williams
wrote
> On Wed, Jul 4, 2018 at 9:38 AM, Huaisheng Ye wrote:
> > From: Huaisheng Ye
> >
> > Changes since v1 [1]:
> > * Collect Jan's reviewed-by.
> > * According to Dan's sugg
From: Huaisheng Ye
arch_dma_alloc_attrs has parameter gfp which is not used at all.
Remove it.
Signed-off-by: Huaisheng Ye
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Cc: Christoph Hellwig
Cc: Marek Szyprowski
Cc: Robin Murphy
Cc: Konrad Rzeszutek Wilk
Cc: Andrew
From: Huaisheng Ye
Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE
From: Huaisheng Ye
Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE
From: Huaisheng Ye
GFP_HIGHUSER_MOVABLE doesn't equal to GFP_HIGHUSER | __GFP_MOVABLE,
modify it to adapt patch of getting rid of GFP_ZONE_TABLE/BAD.
Signed-off-by: Huaisheng Ye
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Cc: Kate Stewart
Cc: Greg Kroah
From: Huaisheng Ye
GFP_HIGHUSER_MOVABLE doesn't equal to GFP_HIGHUSER | __GFP_MOVABLE,
modify it to adapt patch of getting rid of GFP_ZONE_TABLE/BAD.
Signed-off-by: Huaisheng Ye
Cc: Kate Stewart
Cc: Greg Kroah-Hartman
Cc: Thomas Gleixner
Cc: Philippe Ombredanne
Cc: Christoph He
From: Huaisheng Ye
Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA32 | __GFP_HIGHMEM).
In function alloc_extent_state, it is obvious that __GFP_DMA is not
the expecting zone type.
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM).
In function xen_swiotlb_alloc_coherent, it is obvious that __GFP_DMA32
is not the expecting zone type.
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_DMA, __GFP_HIGHMEM and __GFP_DMA32
From: Huaisheng Ye
Replace GFP_ZONE_TABLE and GFP_ZONE_BAD with encoded zone number.
Delete ___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 from GFP bitmasks,
the bottom three bits of GFP mask is reserved for storing encoded
zone number.
The encoding method is XOR. Get zone number from enum
From: Huaisheng Ye
Changes since v2: [2]
* According to Christoph's suggestion, rebase patches to current
mainline from v4.16.
* Follow the advice of Matthew, create macros like GFP_NORMAL and
GFP_NORMAL_UNMOVABLE to clear bottom 3 and 4 bits of GFP bitmask.
* Delete some patches be
From: Huaisheng Ye
Changes since v2: [2]
* According to Christoph's suggestion, rebase patches to current
mainline from v4.16.
* Follow the advice of Matthew, create macros like GFP_NORMAL and
GFP_NORMAL_UNMOVABLE to clear bottom 3 and 4 bits of GFP bitmask.
* Delete some patches be
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_DMA, __GFP_HIGHMEM and __GFP_DMA32
From: Huaisheng Ye
GFP_HIGHUSER_MOVABLE doesn't equal to GFP_HIGHUSER | __GFP_MOVABLE,
modify it to adapt patch of getting rid of GFP_ZONE_TABLE/BAD.
Signed-off-by: Huaisheng Ye
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Cc: Kate Stewart
Cc: Greg Kroah
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA32 | __GFP_HIGHMEM).
In function alloc_extent_state, it is obvious that __GFP_DMA is not
the expecting zone type.
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is
From: Huaisheng Ye
GFP_HIGHUSER_MOVABLE doesn't equal to GFP_HIGHUSER | __GFP_MOVABLE,
modify it to adapt patch of getting rid of GFP_ZONE_TABLE/BAD.
Signed-off-by: Huaisheng Ye
Cc: Kate Stewart
Cc: Greg Kroah-Hartman
Cc: Thomas Gleixner
Cc: Philippe Ombredanne
Cc: Christoph He
From: Huaisheng Ye
Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE
From: Huaisheng Ye
Replace GFP_ZONE_TABLE and GFP_ZONE_BAD with encoded zone number.
Delete ___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 from GFP bitmasks,
the bottom three bits of GFP mask is reserved for storing encoded
zone number.
The encoding method is XOR. Get zone number from enum
From: Huaisheng Ye
Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM).
In function xen_swiotlb_alloc_coherent, it is obvious that __GFP_DMA32
is not the expecting zone type.
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP
From: Huaisheng Ye
Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE
From: Huaisheng Ye
Replace GFP_ZONE_TABLE and GFP_ZONE_BAD with encoded zone number.
Delete ___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 from GFP bitmasks,
the bottom three bits of GFP mask is reserved for storing encoded
zone number.
The encoding method is XOR. Get zone number from enum
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_DMA, __GFP_HIGHMEM and __GFP_DMA32
From: Huaisheng Ye
Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE
From: Huaisheng Ye
GFP_HIGHUSER_MOVABLE doesn't equal to GFP_HIGHUSER | __GFP_MOVABLE,
modify it to adapt patch of getting rid of GFP_ZONE_TABLE/BAD.
Signed-off-by: Huaisheng Ye
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Cc: Kate Stewart
Cc: Greg Kroah
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_DMA, __GFP_HIGHMEM and __GFP_DMA32
From: Huaisheng Ye
GFP_HIGHUSER_MOVABLE doesn't equal to GFP_HIGHUSER | __GFP_MOVABLE,
modify it to adapt patch of getting rid of GFP_ZONE_TABLE/BAD.
Signed-off-by: Huaisheng Ye
Cc: Kate Stewart
Cc: Greg Kroah-Hartman
Cc: Thomas Gleixner
Cc: Philippe Ombredanne
---
include/linux/high
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_DMA, __GFP_HIGHMEM and __GFP_DMA32
From: Huaisheng Ye
Use __GFP_ZONE_MASK to replace (__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32).
___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP
bitmasks, the bottom three bits of GFP mask is reserved for storing
encoded zone number.
__GFP_DMA, __GFP_HIGHMEM and __GFP_DMA32
From: Huaisheng Ye
Replace GFP_ZONE_TABLE and GFP_ZONE_BAD with encoded zone number.
Delete ___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 from GFP bitmasks,
the bottom three bits of GFP mask is reserved for storing encoded
zone number.
The encoding method is XOR. Get zone number from enum
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