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FROMLIST: unicode: Add utf8_casefold_hash

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This adds a case insensitive hash function to allow taking the hash
without needing to allocate a casefolded copy of the string.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Test: Boots, /data/media is case insensitive
Bug: 138322712
Link: https://lore.kernel.org/linux-f2fs-devel/20200208013552.241832-1-drosen@google.com/T/#t
Change-Id: I43c7d38a8e22f4479397f35e6343bd326901cdba
This commit is contained in:
Daniel Rosenberg
2020-02-05 16:40:52 -08:00
parent 3c18a42802
commit d6f41217af
2 changed files with 25 additions and 1 deletions
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include/linux/unicode.h
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@@ -27,6 +27,9 @@ int utf8_normalize(const struct unicode_map *um, const struct qstr *str,
int utf8_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);
struct unicode_map *utf8_load(const char *version);
void utf8_unload(struct unicode_map *um);