exfat: Remove unused functions exfat_high_surrogate() and exfat_low_surrogate()

After applying previous two patches, these functions are not used anymore.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>

diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 1ebfb9085f1f719180051ee87aea94962accd238..3862df6af7386bd5e54ed338cedcee64c3cb6ddd 100644 (file)
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -492,8 +492,6 @@ int exfat_nls_to_utf16(struct super_block *sb,
                struct exfat_uni_name *uniname, int *p_lossy);
 int exfat_create_upcase_table(struct super_block *sb);
 void exfat_free_upcase_table(struct exfat_sb_info *sbi);
-unsigned short exfat_high_surrogate(unicode_t u);
-unsigned short exfat_low_surrogate(unicode_t u);
 
 /* exfat/misc.c */
 void __exfat_fs_error(struct super_block *sb, int report, const char *fmt, ...)

diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c
index 2178786b708b577a385137994a41e078bedcb8b7..1ebda90cbdd7c81c507f662332a53eb52bf92606 100644 (file)
--- a/fs/exfat/nls.c
+++ b/fs/exfat/nls.c
@@ -535,22 +535,9 @@ static int exfat_utf8_to_utf16(struct super_block *sb,
        return unilen;
 }
 
-#define PLANE_SIZE     0x00010000
 #define SURROGATE_MASK 0xfffff800
 #define SURROGATE_PAIR 0x0000d800
 #define SURROGATE_LOW  0x00000400
-#define SURROGATE_BITS 0x000003ff
-
-unsigned short exfat_high_surrogate(unicode_t u)
-{
-       return ((u - PLANE_SIZE) >> 10) + SURROGATE_PAIR;
-}
-
-unsigned short exfat_low_surrogate(unicode_t u)
-{
-       return ((u - PLANE_SIZE) & SURROGATE_BITS) | SURROGATE_PAIR |
-               SURROGATE_LOW;
-}
 
 static int __exfat_utf16_to_nls(struct super_block *sb,
                struct exfat_uni_name *p_uniname, unsigned char *p_cstring,