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[RFC,v2,03/18] fscrypt: export fscrypt_d_revalidate

Message ID 20200904160537.76663-4-jlayton@kernel.org (mailing list archive)
State New, archived
Headers show
Series ceph+fscrypt: context, filename and symlink support | expand

Commit Message

Jeff Layton Sept. 4, 2020, 4:05 p.m. UTC
ceph already has its own d_revalidate op so we can't rely on fscrypt
using that directly. Export this symbol so filesystems can call it
from their own d_revalidate op.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
 fs/crypto/fname.c       | 3 ++-
 include/linux/fscrypt.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)
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diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 47bcfddb278b..9440a44e24ac 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -538,7 +538,7 @@  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;
@@ -577,6 +577,7 @@  static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
 	return valid;
 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 81d6ded24328..16d673c50448 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -208,6 +208,7 @@  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);
+int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags);
 /* bio.c */
 void fscrypt_decrypt_bio(struct bio *bio);