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Introduce ocf_forward_write_zeros()

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This is meant to be used in atomic mode to avoid allocating huge buffers
for zeroing data on drive.

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
This commit is contained in:
Robert Baldyga
2023-10-13 12:51:33 +02:00
committed by Michal Mielewczyk
parent c7580a75d7
commit cd544e8ee5
7 changed files with 68 additions and 0 deletions
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2
tests/functional/pyocf/types/volume.py
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@@ -54,6 +54,7 @@ class VolumeOps(Structure):
FORWARD_IO = CFUNCTYPE(None, c_void_p, c_uint64, c_int, c_uint64, c_uint64, c_uint64)
FORWARD_FLUSH = CFUNCTYPE(None, c_void_p, c_uint64)
FORWARD_DISCARD = CFUNCTYPE(None, c_void_p, c_uint64, c_uint64, c_uint64)
FORWARD_WRITE_ZEROS = CFUNCTYPE(None, c_void_p, c_uint64, c_uint64, c_uint64)
ON_INIT = CFUNCTYPE(c_int, c_void_p)
ON_DEINIT = CFUNCTYPE(None, c_void_p)
OPEN = CFUNCTYPE(c_int, c_void_p, c_void_p)
@@ -70,6 +71,7 @@ class VolumeOps(Structure):
("_forward_io", FORWARD_IO),
("_forward_flush", FORWARD_FLUSH),
("_forward_discard", FORWARD_DISCARD),
("_forward_write_zeros", FORWARD_WRITE_ZEROS),
("_on_init", ON_INIT),
("_on_deinit", ON_DEINIT),
("_open", OPEN),