André Almeida <andrealmeid@xxxxxxxxxx> writes:
> Export generic_ci_ dentry functions so they can be used by
> case-insensitive filesystems that need something more custom than the
> default one set by `struct generic_ci_dentry_ops`.
>
> Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxx>
> ---
> Changes from v3:
> - New patch
> ---
> fs/libfs.c | 8 +++++---
> include/linux/fs.h | 3 +++
> 2 files changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/fs/libfs.c b/fs/libfs.c
> index 838524314b1b..c09254ecdcdd 100644
> --- a/fs/libfs.c
> +++ b/fs/libfs.c
> @@ -1783,8 +1783,8 @@ bool is_empty_dir_inode(struct inode *inode)
> *
> * Return: 0 if names match, 1 if mismatch, or -ERRNO
> */
> -static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
> - const char *str, const struct qstr *name)
> +int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
> + const char *str, const struct qstr *name)
> {
> const struct dentry *parent;
> const struct inode *dir;
> @@ -1827,6 +1827,7 @@ static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
>
> return utf8_strncasecmp(dentry->d_sb->s_encoding, name, &qstr);
> }
> +EXPORT_SYMBOL(generic_ci_d_compare);
>
> /**
> * generic_ci_d_hash - generic d_hash implementation for casefolding filesystems
> @@ -1835,7 +1836,7 @@ static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
> *
> * Return: 0 if hash was successful or unchanged, and -EINVAL on error
> */
> -static int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
> +int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
> {
> const struct inode *dir = READ_ONCE(dentry->d_inode);
> struct super_block *sb = dentry->d_sb;
> @@ -1850,6 +1851,7 @@ static int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
> return -EINVAL;
> return 0;
> }
> +EXPORT_SYMBOL(generic_ci_d_hash);
>
> static const struct dentry_operations generic_ci_dentry_ops = {
> .d_hash = generic_ci_d_hash,
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 937142950dfe..4cd86d36c03d 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -3386,6 +3386,9 @@ extern int generic_ci_match(const struct inode *parent,
> const struct qstr *folded_name,
> const u8 *de_name, u32 de_name_len);
> bool generic_ci_validate_strict_name(struct inode *dir, struct qstr *name);
> +int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str);
> +int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
> + const char *str, const struct qstr *name);
guard these with:
#if IS_ENABLED(CONFIG_UNICODE)
#endif
>
> static inline bool sb_has_encoding(const struct super_block *sb)
> {
--
Gabriel Krisman Bertazi
