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-rw-r--r--fs/fuse/inode.c3
-rw-r--r--include/uapi/linux/fuse.h3
2 files changed, 5 insertions, 1 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index d66070af145d..660be31aaabc 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1254,7 +1254,8 @@ void fuse_send_init(struct fuse_mount *fm)
FUSE_ABORT_ERROR | FUSE_MAX_PAGES | FUSE_CACHE_SYMLINKS |
FUSE_NO_OPENDIR_SUPPORT | FUSE_EXPLICIT_INVAL_DATA |
FUSE_HANDLE_KILLPRIV_V2 | FUSE_SETXATTR_EXT | FUSE_INIT_EXT |
- FUSE_SECURITY_CTX | FUSE_CREATE_SUPP_GROUP;
+ FUSE_SECURITY_CTX | FUSE_CREATE_SUPP_GROUP |
+ FUSE_HAS_EXPIRE_ONLY;
#ifdef CONFIG_FUSE_DAX
if (fm->fc->dax)
flags |= FUSE_MAP_ALIGNMENT;
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 1b9d0dfae72d..b3fcab13fcd3 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -206,6 +206,7 @@
* - add extension header
* - add FUSE_EXT_GROUPS
* - add FUSE_CREATE_SUPP_GROUP
+ * - add FUSE_HAS_EXPIRE_ONLY
*/
#ifndef _LINUX_FUSE_H
@@ -369,6 +370,7 @@ struct fuse_file_lock {
* FUSE_HAS_INODE_DAX: use per inode DAX
* FUSE_CREATE_SUPP_GROUP: add supplementary group info to create, mkdir,
* symlink and mknod (single group that matches parent)
+ * FUSE_HAS_EXPIRE_ONLY: kernel supports expiry-only entry invalidation
*/
#define FUSE_ASYNC_READ (1 << 0)
#define FUSE_POSIX_LOCKS (1 << 1)
@@ -406,6 +408,7 @@ struct fuse_file_lock {
#define FUSE_SECURITY_CTX (1ULL << 32)
#define FUSE_HAS_INODE_DAX (1ULL << 33)
#define FUSE_CREATE_SUPP_GROUP (1ULL << 34)
+#define FUSE_HAS_EXPIRE_ONLY (1ULL << 35)
/**
* CUSE INIT request/reply flags