| Message ID | 20190314171559.27584-2-richard@nod.at (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/4] fscrypt: Implement FS_CFLG_OWN_D_OPS | expand |
diff --git a/fs/crypto/hooks.c b/fs/crypto/hooks.c index 56debb1fcf5e..3ec925405fbe 100644 --- a/fs/crypto/hooks.c +++ b/fs/crypto/hooks.c @@ -107,7 +107,9 @@ int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry) spin_unlock(&dentry->d_lock); } - d_set_d_op(dentry, &fscrypt_d_ops); + if ((dir->i_sb->s_cop->flags & FS_CFLG_OWN_D_OPS) == 0) + d_set_d_op(dentry, &fscrypt_d_ops); + return 0; } EXPORT_SYMBOL_GPL(__fscrypt_prepare_lookup); diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h index e5194fc3983e..7139a110ac4f 100644 --- a/include/linux/fscrypt.h +++ b/include/linux/fscrypt.h @@ -48,6 +48,7 @@ struct fscrypt_name { * fscrypt superblock flags */ #define FS_CFLG_OWN_PAGES (1U << 1) +#define FS_CFLG_OWN_D_OPS (1U << 2) /* * crypto operations for filesystems
If a filesystem sets FS_CFLG_OWN_D_OPS it manages dentry operations itself and fscrypt is not allowed to set them. Signed-off-by: Richard Weinberger <richard@nod.at> --- fs/crypto/hooks.c | 4 +++- include/linux/fscrypt.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-)