From: Eric Biggers <ebigg...@google.com>
Now that ext4 does not allow inodes with the casefold flag to be
instantiated when unsupported, it's unnecessary to repeatedly check for
support later on during random filesystem operations.
Signed-off-by: Eric Biggers <ebigg...@google.com>
---
fs/ext4/hash.c | 2 +-
fs/ext4/namei.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c
index 46c3423ddfa1..deabe29da7fb 100644
--- a/fs/ext4/hash.c
+++ b/fs/ext4/hash.c
@@ -300,7 +300,7 @@ int ext4fs_dirhash(const struct inode *dir, const char
*name, int len,
unsigned char *buff;
struct qstr qstr = {.name = name, .len = len };
- if (len && IS_CASEFOLDED(dir) && um &&
+ if (len && IS_CASEFOLDED(dir) &&
(!IS_ENCRYPTED(dir) || fscrypt_has_encryption_key(dir))) {
buff = kzalloc(sizeof(char) * PATH_MAX, GFP_KERNEL);
if (!buff)
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 0caf6c730ce3..f9a5663b9d23 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1445,7 +1445,7 @@ int ext4_fname_setup_ci_filename(struct inode *dir, const
struct qstr *iname,
struct dx_hash_info *hinfo = &name->hinfo;
int len;
- if (!IS_CASEFOLDED(dir) || !dir->i_sb->s_encoding ||
+ if (!IS_CASEFOLDED(dir) ||
(IS_ENCRYPTED(dir) && !fscrypt_has_encryption_key(dir))) {
cf_name->name = NULL;
return 0;
@@ -1496,7 +1496,7 @@ static bool ext4_match(struct inode *parent,
#endif
#if IS_ENABLED(CONFIG_UNICODE)
- if (parent->i_sb->s_encoding && IS_CASEFOLDED(parent) &&
+ if (IS_CASEFOLDED(parent) &&
(!IS_ENCRYPTED(parent) || fscrypt_has_encryption_key(parent))) {
if (fname->cf_name.name) {
struct qstr cf = {.name = fname->cf_name.name,
@@ -2393,7 +2393,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry
*dentry,
#if IS_ENABLED(CONFIG_UNICODE)
if (sb_has_strict_encoding(sb) && IS_CASEFOLDED(dir) &&
- sb->s_encoding && utf8_validate(sb->s_encoding, &dentry->d_name))
+ utf8_validate(sb->s_encoding, &dentry->d_name))
return -EINVAL;
#endif
--
2.41.0
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