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Subject[PATCH 3/4] exfat: Remove unused functions exfat_high_surrogate() and exfat_low_surrogate()
Date
After applying previous two patches, these functions are not used anymore.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
fs/exfat/exfat_fs.h | 2 --
fs/exfat/nls.c | 13 -------------
2 files changed, 15 deletions(-)

diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 67d4e46fb810..8a176a803206 100644
--- 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 6d1c3ae130ff..e3a9f5e08f68 100644
--- a/fs/exfat/nls.c
+++ b/fs/exfat/nls.c
@@ -537,22 +537,9 @@ 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,
--
2.20.1
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