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Subject[PATCH 2/5] fscrypt: Export fscrypt_d_revalidate
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This is in preparation for shifting the responsibility of setting the
dentry_operations to the filesystem, allowing it to maintain its own
operations.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
---
fs/crypto/fname.c | 3 ++-
include/linux/fscrypt.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 011830f84d8d..d45db23ff6c4 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -541,7 +541,7 @@ EXPORT_SYMBOL_GPL(fscrypt_fname_siphash);
* Validate dentries in encrypted directories to make sure we aren't potentially
* caching stale dentries after a key has been added.
*/
-static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
+int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
{
struct dentry *dir;
int err;
@@ -580,6 +580,7 @@ static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)

return valid;
}
+EXPORT_SYMBOL_GPL(fscrypt_d_revalidate);

const struct dentry_operations fscrypt_d_ops = {
.d_revalidate = fscrypt_d_revalidate,
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index 991ff8575d0e..265b1e9119dc 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -207,6 +207,7 @@ int fscrypt_fname_disk_to_usr(const struct inode *inode,
bool fscrypt_match_name(const struct fscrypt_name *fname,
const u8 *de_name, u32 de_name_len);
u64 fscrypt_fname_siphash(const struct inode *dir, const struct qstr *name);
+extern int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags);

/* bio.c */
void fscrypt_decrypt_bio(struct bio *bio);
--
2.28.0.681.g6f77f65b4e-goog
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