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Message-Id: <20210318133305.316564-2-shreeya.patel@collabora.com>
Date: Thu, 18 Mar 2021 19:03:02 +0530
From: Shreeya Patel <shreeya.patel@...labora.com>
To: krisman@...labora.com, jaegeuk@...nel.org, yuchao0@...wei.com,
tytso@....edu, adilger.kernel@...ger.ca, drosen@...gle.com,
ebiggers@...gle.com
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
kernel@...labora.com, andre.almeida@...labora.com,
Shreeya Patel <shreeya.patel@...labora.com>
Subject: [PATCH v2 1/4] fs: unicode: Rename function names from utf8 to unicode
Rename the function names from utf8 to unicode for taking the first step
towards the transformation of utf8-core file into the unicode subsystem
layer file.
Signed-off-by: Shreeya Patel <shreeya.patel@...labora.com>
---
fs/ext4/hash.c | 2 +-
fs/ext4/namei.c | 12 ++++----
fs/ext4/super.c | 6 ++--
fs/f2fs/dir.c | 12 ++++----
fs/f2fs/super.c | 6 ++--
fs/libfs.c | 6 ++--
fs/unicode/utf8-core.c | 57 +++++++++++++++++++-------------------
fs/unicode/utf8-selftest.c | 8 +++---
include/linux/unicode.h | 32 ++++++++++-----------
9 files changed, 70 insertions(+), 71 deletions(-)
diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c
index a92eb79de0cc..8890a76abe86 100644
--- a/fs/ext4/hash.c
+++ b/fs/ext4/hash.c
@@ -285,7 +285,7 @@ int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
if (!buff)
return -ENOMEM;
- dlen = utf8_casefold(um, &qstr, buff, PATH_MAX);
+ dlen = unicode_casefold(um, &qstr, buff, PATH_MAX);
if (dlen < 0) {
kfree(buff);
goto opaque_seq;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 686bf982c84e..dde5ce795416 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1290,9 +1290,9 @@ int ext4_ci_compare(const struct inode *parent, const struct qstr *name,
int ret;
if (quick)
- ret = utf8_strncasecmp_folded(um, name, entry);
+ ret = unicode_strncasecmp_folded(um, name, entry);
else
- ret = utf8_strncasecmp(um, name, entry);
+ ret = unicode_strncasecmp(um, name, entry);
if (ret < 0) {
/* Handle invalid character sequence as either an error
@@ -1324,9 +1324,9 @@ void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
if (!cf_name->name)
return;
- len = utf8_casefold(dir->i_sb->s_encoding,
- iname, cf_name->name,
- EXT4_NAME_LEN);
+ len = unicode_casefold(dir->i_sb->s_encoding,
+ iname, cf_name->name,
+ EXT4_NAME_LEN);
if (len <= 0) {
kfree(cf_name->name);
cf_name->name = NULL;
@@ -2201,7 +2201,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
#ifdef CONFIG_UNICODE
if (sb_has_strict_encoding(sb) && IS_CASEFOLDED(dir) &&
- sb->s_encoding && utf8_validate(sb->s_encoding, &dentry->d_name))
+ sb->s_encoding && unicode_validate(sb->s_encoding, &dentry->d_name))
return -EINVAL;
#endif
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index ad34a37278cd..2fb845752c90 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1259,7 +1259,7 @@ static void ext4_put_super(struct super_block *sb)
fs_put_dax(sbi->s_daxdev);
fscrypt_free_dummy_policy(&sbi->s_dummy_enc_policy);
#ifdef CONFIG_UNICODE
- utf8_unload(sb->s_encoding);
+ unicode_unload(sb->s_encoding);
#endif
kfree(sbi);
}
@@ -4304,7 +4304,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
- encoding = utf8_load(encoding_info->version);
+ encoding = unicode_load(encoding_info->version);
if (IS_ERR(encoding)) {
ext4_msg(sb, KERN_ERR,
"can't mount with superblock charset: %s-%s "
@@ -5165,7 +5165,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
crypto_free_shash(sbi->s_chksum_driver);
#ifdef CONFIG_UNICODE
- utf8_unload(sb->s_encoding);
+ unicode_unload(sb->s_encoding);
#endif
#ifdef CONFIG_QUOTA
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index e6270a867be1..f160f9dd667d 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -84,10 +84,10 @@ int f2fs_init_casefolded_name(const struct inode *dir,
GFP_NOFS);
if (!fname->cf_name.name)
return -ENOMEM;
- fname->cf_name.len = utf8_casefold(sb->s_encoding,
- fname->usr_fname,
- fname->cf_name.name,
- F2FS_NAME_LEN);
+ fname->cf_name.len = unicode_casefold(sb->s_encoding,
+ fname->usr_fname,
+ fname->cf_name.name,
+ F2FS_NAME_LEN);
if ((int)fname->cf_name.len <= 0) {
kfree(fname->cf_name.name);
fname->cf_name.name = NULL;
@@ -237,7 +237,7 @@ static int f2fs_match_ci_name(const struct inode *dir, const struct qstr *name,
entry.len = decrypted_name.len;
}
- res = utf8_strncasecmp_folded(um, name, &entry);
+ res = unicode_strncasecmp_folded(um, name, &entry);
/*
* In strict mode, ignore invalid names. In non-strict mode,
* fall back to treating them as opaque byte sequences.
@@ -246,7 +246,7 @@ static int f2fs_match_ci_name(const struct inode *dir, const struct qstr *name,
res = name->len == entry.len &&
memcmp(name->name, entry.name, name->len) == 0;
} else {
- /* utf8_strncasecmp_folded returns 0 on match */
+ /* unicode_strncasecmp_folded returns 0 on match */
res = (res == 0);
}
out:
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 7069793752f1..b4a92e763e27 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1430,7 +1430,7 @@ static void f2fs_put_super(struct super_block *sb)
for (i = 0; i < NR_PAGE_TYPE; i++)
kvfree(sbi->write_io[i]);
#ifdef CONFIG_UNICODE
- utf8_unload(sb->s_encoding);
+ unicode_unload(sb->s_encoding);
#endif
kfree(sbi);
}
@@ -3560,7 +3560,7 @@ static int f2fs_setup_casefold(struct f2fs_sb_info *sbi)
return -EINVAL;
}
- encoding = utf8_load(encoding_info->version);
+ encoding = unicode_load(encoding_info->version);
if (IS_ERR(encoding)) {
f2fs_err(sbi,
"can't mount with superblock charset: %s-%s "
@@ -4073,7 +4073,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
kvfree(sbi->write_io[i]);
#ifdef CONFIG_UNICODE
- utf8_unload(sb->s_encoding);
+ unicode_unload(sb->s_encoding);
sb->s_encoding = NULL;
#endif
free_options:
diff --git a/fs/libfs.c b/fs/libfs.c
index e2de5401abca..766556165bb5 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1404,7 +1404,7 @@ static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
* If the dentry name is stored in-line, then it may be concurrently
* modified by a rename. If this happens, the VFS will eventually retry
* the lookup, so it doesn't matter what ->d_compare() returns.
- * However, it's unsafe to call utf8_strncasecmp() with an unstable
+ * However, it's unsafe to call unicode_strncasecmp() with an unstable
* string. Therefore, we have to copy the name into a temporary buffer.
*/
if (len <= DNAME_INLINE_LEN - 1) {
@@ -1414,7 +1414,7 @@ static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
/* prevent compiler from optimizing out the temporary buffer */
barrier();
}
- ret = utf8_strncasecmp(um, name, &qstr);
+ ret = unicode_strncasecmp(um, name, &qstr);
if (ret >= 0)
return ret;
@@ -1443,7 +1443,7 @@ static int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
if (!dir || !needs_casefold(dir))
return 0;
- ret = utf8_casefold_hash(um, dentry, str);
+ ret = unicode_casefold_hash(um, dentry, str);
if (ret < 0 && sb_has_strict_encoding(sb))
return -EINVAL;
return 0;
diff --git a/fs/unicode/utf8-core.c b/fs/unicode/utf8-core.c
index dc25823bfed9..d5f09e022ac5 100644
--- a/fs/unicode/utf8-core.c
+++ b/fs/unicode/utf8-core.c
@@ -10,7 +10,7 @@
#include "utf8n.h"
-int utf8_validate(const struct unicode_map *um, const struct qstr *str)
+int unicode_validate(const struct unicode_map *um, const struct qstr *str)
{
const struct utf8data *data = utf8nfdi(um->version);
@@ -18,10 +18,10 @@ int utf8_validate(const struct unicode_map *um, const struct qstr *str)
return -1;
return 0;
}
-EXPORT_SYMBOL(utf8_validate);
+EXPORT_SYMBOL(unicode_validate);
-int utf8_strncmp(const struct unicode_map *um,
- const struct qstr *s1, const struct qstr *s2)
+int unicode_strncmp(const struct unicode_map *um,
+ const struct qstr *s1, const struct qstr *s2)
{
const struct utf8data *data = utf8nfdi(um->version);
struct utf8cursor cur1, cur2;
@@ -45,10 +45,10 @@ int utf8_strncmp(const struct unicode_map *um,
return 0;
}
-EXPORT_SYMBOL(utf8_strncmp);
+EXPORT_SYMBOL(unicode_strncmp);
-int utf8_strncasecmp(const struct unicode_map *um,
- const struct qstr *s1, const struct qstr *s2)
+int unicode_strncasecmp(const struct unicode_map *um,
+ const struct qstr *s1, const struct qstr *s2)
{
const struct utf8data *data = utf8nfdicf(um->version);
struct utf8cursor cur1, cur2;
@@ -72,14 +72,14 @@ int utf8_strncasecmp(const struct unicode_map *um,
return 0;
}
-EXPORT_SYMBOL(utf8_strncasecmp);
+EXPORT_SYMBOL(unicode_strncasecmp);
/* String cf is expected to be a valid UTF-8 casefolded
* string.
*/
-int utf8_strncasecmp_folded(const struct unicode_map *um,
- const struct qstr *cf,
- const struct qstr *s1)
+int unicode_strncasecmp_folded(const struct unicode_map *um,
+ const struct qstr *cf,
+ const struct qstr *s1)
{
const struct utf8data *data = utf8nfdicf(um->version);
struct utf8cursor cur1;
@@ -100,10 +100,10 @@ int utf8_strncasecmp_folded(const struct unicode_map *um,
return 0;
}
-EXPORT_SYMBOL(utf8_strncasecmp_folded);
+EXPORT_SYMBOL(unicode_strncasecmp_folded);
-int utf8_casefold(const struct unicode_map *um, const struct qstr *str,
- unsigned char *dest, size_t dlen)
+int unicode_casefold(const struct unicode_map *um, const struct qstr *str,
+ unsigned char *dest, size_t dlen)
{
const struct utf8data *data = utf8nfdicf(um->version);
struct utf8cursor cur;
@@ -123,10 +123,10 @@ int utf8_casefold(const struct unicode_map *um, const struct qstr *str,
}
return -EINVAL;
}
-EXPORT_SYMBOL(utf8_casefold);
+EXPORT_SYMBOL(unicode_casefold);
-int utf8_casefold_hash(const struct unicode_map *um, const void *salt,
- struct qstr *str)
+int unicode_casefold_hash(const struct unicode_map *um, const void *salt,
+ struct qstr *str)
{
const struct utf8data *data = utf8nfdicf(um->version);
struct utf8cursor cur;
@@ -144,10 +144,10 @@ int utf8_casefold_hash(const struct unicode_map *um, const void *salt,
str->hash = end_name_hash(hash);
return 0;
}
-EXPORT_SYMBOL(utf8_casefold_hash);
+EXPORT_SYMBOL(unicode_casefold_hash);
-int utf8_normalize(const struct unicode_map *um, const struct qstr *str,
- unsigned char *dest, size_t dlen)
+int unicode_normalize(const struct unicode_map *um, const struct qstr *str,
+ unsigned char *dest, size_t dlen)
{
const struct utf8data *data = utf8nfdi(um->version);
struct utf8cursor cur;
@@ -167,11 +167,10 @@ int utf8_normalize(const struct unicode_map *um, const struct qstr *str,
}
return -EINVAL;
}
+EXPORT_SYMBOL(unicode_normalize);
-EXPORT_SYMBOL(utf8_normalize);
-
-static int utf8_parse_version(const char *version, unsigned int *maj,
- unsigned int *min, unsigned int *rev)
+static int unicode_parse_version(const char *version, unsigned int *maj,
+ unsigned int *min, unsigned int *rev)
{
substring_t args[3];
char version_string[12];
@@ -192,7 +191,7 @@ static int utf8_parse_version(const char *version, unsigned int *maj,
return 0;
}
-struct unicode_map *utf8_load(const char *version)
+struct unicode_map *unicode_load(const char *version)
{
struct unicode_map *um = NULL;
int unicode_version;
@@ -200,7 +199,7 @@ struct unicode_map *utf8_load(const char *version)
if (version) {
unsigned int maj, min, rev;
- if (utf8_parse_version(version, &maj, &min, &rev) < 0)
+ if (unicode_parse_version(version, &maj, &min, &rev) < 0)
return ERR_PTR(-EINVAL);
if (!utf8version_is_supported(maj, min, rev))
@@ -225,12 +224,12 @@ struct unicode_map *utf8_load(const char *version)
return um;
}
-EXPORT_SYMBOL(utf8_load);
+EXPORT_SYMBOL(unicode_load);
-void utf8_unload(struct unicode_map *um)
+void unicode_unload(struct unicode_map *um)
{
kfree(um);
}
-EXPORT_SYMBOL(utf8_unload);
+EXPORT_SYMBOL(unicode_unload);
MODULE_LICENSE("GPL v2");
diff --git a/fs/unicode/utf8-selftest.c b/fs/unicode/utf8-selftest.c
index 6fe8af7edccb..796c1ed922ea 100644
--- a/fs/unicode/utf8-selftest.c
+++ b/fs/unicode/utf8-selftest.c
@@ -235,7 +235,7 @@ static void check_utf8_nfdicf(void)
static void check_utf8_comparisons(void)
{
int i;
- struct unicode_map *table = utf8_load("12.1.0");
+ struct unicode_map *table = unicode_load("12.1.0");
if (IS_ERR(table)) {
pr_err("%s: Unable to load utf8 %d.%d.%d. Skipping.\n",
@@ -249,7 +249,7 @@ static void check_utf8_comparisons(void)
const struct qstr s2 = {.name = nfdi_test_data[i].dec,
.len = sizeof(nfdi_test_data[i].dec)};
- test_f(!utf8_strncmp(table, &s1, &s2),
+ test_f(!unicode_strncmp(table, &s1, &s2),
"%s %s comparison mismatch\n", s1.name, s2.name);
}
@@ -259,11 +259,11 @@ static void check_utf8_comparisons(void)
const struct qstr s2 = {.name = nfdicf_test_data[i].ncf,
.len = sizeof(nfdicf_test_data[i].ncf)};
- test_f(!utf8_strncasecmp(table, &s1, &s2),
+ test_f(!unicode_strncasecmp(table, &s1, &s2),
"%s %s comparison mismatch\n", s1.name, s2.name);
}
- utf8_unload(table);
+ unicode_unload(table);
}
static void check_supported_versions(void)
diff --git a/include/linux/unicode.h b/include/linux/unicode.h
index 74484d44c755..de23f9ee720b 100644
--- a/include/linux/unicode.h
+++ b/include/linux/unicode.h
@@ -10,27 +10,27 @@ struct unicode_map {
int version;
};
-int utf8_validate(const struct unicode_map *um, const struct qstr *str);
+int unicode_validate(const struct unicode_map *um, const struct qstr *str);
-int utf8_strncmp(const struct unicode_map *um,
- const struct qstr *s1, const struct qstr *s2);
+int unicode_strncmp(const struct unicode_map *um,
+ const struct qstr *s1, const struct qstr *s2);
-int utf8_strncasecmp(const struct unicode_map *um,
- const struct qstr *s1, const struct qstr *s2);
-int utf8_strncasecmp_folded(const struct unicode_map *um,
- const struct qstr *cf,
- const struct qstr *s1);
+int unicode_strncasecmp(const struct unicode_map *um,
+ const struct qstr *s1, const struct qstr *s2);
+int unicode_strncasecmp_folded(const struct unicode_map *um,
+ const struct qstr *cf,
+ const struct qstr *s1);
-int utf8_normalize(const struct unicode_map *um, const struct qstr *str,
- unsigned char *dest, size_t dlen);
+int unicode_normalize(const struct unicode_map *um, const struct qstr *str,
+ unsigned char *dest, size_t dlen);
-int utf8_casefold(const struct unicode_map *um, const struct qstr *str,
- unsigned char *dest, size_t dlen);
+int unicode_casefold(const struct unicode_map *um, const struct qstr *str,
+ unsigned char *dest, size_t dlen);
-int utf8_casefold_hash(const struct unicode_map *um, const void *salt,
- struct qstr *str);
+int unicode_casefold_hash(const struct unicode_map *um, const void *salt,
+ struct qstr *str);
-struct unicode_map *utf8_load(const char *version);
-void utf8_unload(struct unicode_map *um);
+struct unicode_map *unicode_load(const char *version);
+void unicode_unload(struct unicode_map *um);
#endif /* _LINUX_UNICODE_H */
--
2.30.1
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