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Detect unsupported zoned devices for LUKS header device.

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Zoned device cannot be written with direct-io
and cannot be used for LUKS header logic without
significant changes. Do not allow to use them for LUKS header
but allow it for data device, as dm-crypt supports it.

Fixes: #877
This commit is contained in:
Milan Broz
2024-04-26 11:24:15 +02:00
parent 92a761e32c
commit 125be1430a
5 changed files with 68 additions and 0 deletions
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2
lib/internal.h
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@@ -116,6 +116,7 @@ void device_disable_direct_io(struct device *device);
int device_is_identical(struct device *device1, struct device *device2);
int device_is_rotational(struct device *device);
int device_is_dax(struct device *device);
int device_is_zoned(struct device *device);
size_t device_alignment(struct device *device);
int device_direct_io(const struct device *device);
int device_fallocate(struct device *device, uint64_t size);
@@ -166,6 +167,7 @@ int crypt_confirm(struct crypt_device *cd, const char *msg);
char *crypt_lookup_dev(const char *dev_id);
int crypt_dev_is_rotational(int major, int minor);
int crypt_dev_is_dax(int major, int minor);
int crypt_dev_is_zoned(int major, int minor);
int crypt_dev_is_partition(const char *dev_path);
char *crypt_get_partition_device(const char *dev_path, uint64_t offset, uint64_t size);
int crypt_dev_get_partition_number(const char *dev_path);