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udf: Export superblock magic to userspace
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Currently UDF superblock magic doesn't appear in any userspace header
files and thus userspace apps have hard time checking for this fs. Let's
export the magic to userspace as with any other filesystem.

Signed-off-by: Jan Kara <jack@suse.cz>
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Jan Kara committed Apr 28, 2016
1 parent a47241c commit 2a28900
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Showing 2 changed files with 3 additions and 3 deletions.
4 changes: 1 addition & 3 deletions fs/udf/udf_sb.h
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Expand Up @@ -3,9 +3,7 @@

#include <linux/mutex.h>
#include <linux/bitops.h>

/* Since UDF 2.01 is ISO 13346 based... */
#define UDF_SUPER_MAGIC 0x15013346
#include <linux/magic.h>

#define UDF_MAX_READ_VERSION 0x0250
#define UDF_MAX_WRITE_VERSION 0x0201
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2 changes: 2 additions & 0 deletions include/uapi/linux/magic.h
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Expand Up @@ -78,5 +78,7 @@
#define BTRFS_TEST_MAGIC 0x73727279
#define NSFS_MAGIC 0x6e736673
#define BPF_FS_MAGIC 0xcafe4a11
/* Since UDF 2.01 is ISO 13346 based... */
#define UDF_SUPER_MAGIC 0x15013346

#endif /* __LINUX_MAGIC_H__ */

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