copy limits to queue limits. By default copy_offload
is disabled.
End-to-end protection is done by setting both PRINFOR and PRINFOW
to 0.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
Signed-off-by: Nitesh Shetty
Signed-off-by: Javier González
---
drivers/nv
Make bio_map_kern() non static, so that copy offload/emulation can use
it to add vmalloced memory to bio.
Signed-off-by: SelvaKumar S
Signed-off-by: Nitesh Shetty
---
block/blk-map.c| 2 +-
include/linux/blkdev.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a
rn ret;
}
Signed-off-by: Nitesh Shetty
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
---
block/ioctl.c | 33 +
include/uapi/linux/fs.h | 8
2 files changed, 41 insertions(+)
diff --git a/block/ioctl.c b/block/ioctl.c
index eb049
copy-offload support
block: copy offload support infrastructure
block: Introduce a new ioctl for simple copy
block: add emulation for simple copy
SelvaKumar S (3):
block: make bio_map_kern() non static
nvme: add simple copy support
dm kcopyd: add simple copy offload support
block/blk-
bio->bi_private and bio->bi_end_io are needed for chaining the
bio and gets over-written, invalidate_kernel_vmap_range() for read is
called in the caller.
Signed-off-by: Nitesh Shetty
Signed-off-by: SelvaKumar S
---
block/blk-lib.c | 100
submitted to zoned device.
Native copy offload is not supported for stacked devices.
Signed-off-by: Nitesh Shetty
Signed-off-by: SelvaKumar S
---
block/blk-core.c | 84 -
block/blk-lib.c | 252 ++
block/blk-zoned.c | 1
-offload needs to be used.
max_copy_sectors = 0, indicates the device doesn't support native copy.
Signed-off-by: Nitesh Shetty
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
---
block/blk-settings.c | 4
block/blk-sysfs.c
copied count is made zero,
failed regions are processed via existing method.
Signed-off-by: SelvaKumar S
Signed-off-by: Nitesh Shetty
---
drivers/md/dm-kcopyd.c | 56 +-
1 file changed, 50 insertions(+), 6 deletions(-)
diff --git a/drivers/md/dm-kcopyd.c b
copy limits to queue limits. By default copy_offload
is disabled.
End-to-end protection is done by setting both PRINFOR and PRINFOW
to 0.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
Signed-off-by: Nitesh Shetty
Signed-off-by: Javier González
---
drivers/n
queued for completion. If multiple
destinations were present, the completed destination is zeroed and
pushed to pages_jobs to process copy offload for other destinations. In
case of copy_offload failure, remaining destinations are processed via
regular copying mechanism.
Signed-off-by: SelvaKumar S
orted for stacked devices and is done via
copy emulation.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
Signed-off-by: Nitesh Shetty
Signed-off-by: Javier González
Signed-off-by: Chaitanya Kulkarni
---
block/blk-core.c | 102 --
block/blk-lib.c | 222
me_config_copy
10. Remove return in QUEUE_FLAG_COPY check
11. Remove unused OCFS
SelvaKumar S (4):
block: make bio_map_kern() non static
block: add simple copy support
nvme: add simple copy support
dm kcopyd: add simple copy offload support
block/blk-core.c | 102
Make bio_map_kern() non static, so that copy offload emulation can use
it to add vmalloced memory to bio.
Signed-off-by: SelvaKumar S
Signed-off-by: Chaitanya Kulkarni
---
block/blk-map.c| 2 +-
include/linux/blkdev.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git
.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
Signed-off-by: Nitesh Shetty
Signed-off-by: Javier González
---
block/blk-core.c | 94 ++--
block/blk-lib.c | 223 ++
block/blk-merge.c | 2 +
block/blk-setti
copy limits to queue limits. By default copy_offload
is disabled.
End-to-end protection is done by setting both PRINFOR and PRINFOW
to 0.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
Signed-off-by: Nitesh Shetty
Signed-off-by: Javier González
---
drivers/n
Export bio_map_kern() so that copy offload emulation can use
it to add vmalloced memory to bio.
Signed-off-by: SelvaKumar S
---
block/blk-map.c| 3 ++-
include/linux/blkdev.h | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/block/blk-map.c b/block/blk-map.c
index
de more readable
5. Don't use bio_set_op_attrs and remove op and set
bi_opf directly
6. Use struct_size to calculate total_size
7. Fix partition remap of copy destination
8. Remove mcl,mssrl,msrc from nvme_ns
9. Initialize copy queue limits to 0 in nvme_config_copy
10. Remove return in QUEUE
trs and remove op and set
bi_opf directly
6. Use struct_size to calculate total_size
7. Fix partition remap of copy destination
8. Remove mcl,mssrl,msrc from nvme_ns
9. Initialize copy queue limits to 0 in nvme_config_copy
10. Remove return in QUEUE_FLAG_COPY check
11. Remove unused OCFS
SelvaKu
Add support for TP 4065a ("Simple Copy Command"), v2020.05.04
("Ratified")
The implementation uses the payload passed from the block layer
to form simple copy command. Set the device copy limits to queue
limits.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
S
fault.
max_copy_sectors = 0 indicates the device doesn't support copy.
simple copy is not supported for stacked devices.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
Signed-off-by: Nitesh Shetty
Signed-off-by: Javier González
---
block/blk-core.c | 94 ++--
.
- max_copy_sectors
- max_copy_ranges_sectors
- max_copy_nr_ranges
max_copy_sectors = 0 indicates the device doesn't support copy.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
Signed-off-by: Nitesh Shetty
Signed-off-by: Javier González
---
block/blk-c
imits to 0 in nvme_config_copy
10. Remove return in QUEUE_FLAG_COPY check
11. Remove unused OCFS
SelvaKumar S (2):
block: add simple copy support
nvme: add simple copy support
block/blk-core.c | 94 ++---
block/blk-lib.c | 123 +++
Add support for TP 4065a ("Simple Copy Command"), v2020.05.04
("Ratified")
The implementation uses the payload passed from the block layer
to form simple copy command. Set the device copy limits to queue
limits.
Signed-off-by: SelvaKumar S
Signed-off-by: Kanchan Joshi
S
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