[PATCH v8 5/8] fscrypt: Export fscrypt_d_revalidate

Daniel Rosenberg
2020-03-07T02:37:08Z

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 4c212442a8f7f..73adbbb9d78c7 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -543,7 +543,7 @@ 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;
@@ -586,3 +586,4 @@ static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
const struct dentry_operations fscrypt_d_ops = {
.d_revalidate = fscrypt_d_revalidate,
};
+EXPORT_SYMBOL(fscrypt_d_revalidate);
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index 556f4adf5dc58..b199b6e976ce3 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -176,6 +176,7 @@ extern bool fscrypt_match_name(const struct fscrypt_name *fname,
const u8 *de_name, u32 de_name_len);
extern 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 */
extern void fscrypt_decrypt_bio(struct bio *);
--
2.25.1.481.gfbce0eb801-goog