[Virtio-fs] [PULL 09/16] linux/fuse.h: Pull in from Linux
Dr. David Alan Gilbert (git)
dgilbert at redhat.com
Mon Oct 26 18:43:24 UTC 2020
From: Max Reitz <mreitz at redhat.com>
Update the linux/fuse.h standard header from the kernel development tree
that implements FUSE submounts.
This adds the fuse_attr.flags field, the FUSE_ATTR_FLAGS INIT flag, and
the FUSE_ATTR_SUBMOUNT flag for fuse_attr.flags.
Signed-off-by: Max Reitz <mreitz at redhat.com>
Message-Id: <20200909184028.262297-2-mreitz at redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha at redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
---
include/standard-headers/linux/fuse.h | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/include/standard-headers/linux/fuse.h b/include/standard-headers/linux/fuse.h
index f4df0a40f6..7dd7a3b992 100644
--- a/include/standard-headers/linux/fuse.h
+++ b/include/standard-headers/linux/fuse.h
@@ -227,7 +227,7 @@ struct fuse_attr {
uint32_t gid;
uint32_t rdev;
uint32_t blksize;
- uint32_t padding;
+ uint32_t flags;
};
struct fuse_kstatfs {
@@ -310,6 +310,7 @@ struct fuse_file_lock {
* FUSE_NO_OPENDIR_SUPPORT: kernel supports zero-message opendir
* FUSE_EXPLICIT_INVAL_DATA: only invalidate cached pages on explicit request
* FUSE_MAP_ALIGNMENT: map_alignment field is valid
+ * FUSE_ATTR_FLAGS: fuse_attr.flags is present and valid
*/
#define FUSE_ASYNC_READ (1 << 0)
#define FUSE_POSIX_LOCKS (1 << 1)
@@ -338,6 +339,7 @@ struct fuse_file_lock {
#define FUSE_NO_OPENDIR_SUPPORT (1 << 24)
#define FUSE_EXPLICIT_INVAL_DATA (1 << 25)
#define FUSE_MAP_ALIGNMENT (1 << 26)
+#define FUSE_ATTR_FLAGS (1 << 27)
/**
* CUSE INIT request/reply flags
@@ -413,6 +415,13 @@ struct fuse_file_lock {
*/
#define FUSE_FSYNC_FDATASYNC (1 << 0)
+/**
+ * fuse_attr flags
+ *
+ * FUSE_ATTR_SUBMOUNT: File/directory is a submount point
+ */
+#define FUSE_ATTR_SUBMOUNT (1 << 0)
+
enum fuse_opcode {
FUSE_LOOKUP = 1,
FUSE_FORGET = 2, /* no reply */
--
2.28.0
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