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authorJan Kara <jack@suse.cz>2016-04-28 10:40:09 +0200
committerJan Kara <jack@suse.cz>2016-04-28 10:43:31 +0200
commit2a28900be20640fcd1e548b1e3bad79e8221fcf9 (patch)
treebe3bd2ac8da67d09cba33add39d2eda15067a48e
parentudf: Prevent stack overflow on corrupted filesystem mount (diff)
downloadlinux-2a28900be20640fcd1e548b1e3bad79e8221fcf9.tar.xz
linux-2a28900be20640fcd1e548b1e3bad79e8221fcf9.zip
udf: Export superblock magic to userspace
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>
-rw-r--r--fs/udf/udf_sb.h4
-rw-r--r--include/uapi/linux/magic.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 1f32c7bd9f57..27b5335730c9 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -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
diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index 0de181ad73d5..546b38886e11 100644
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -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__ */