[PATCH v2 3/4] liburing: Add helper functions for fgetxattr and getxattr

[Stefan Roesch <shr@fb.com>]

Summary:

This adds the helper functions for:
- fgetxattr
- getxattr

Signed-off-by: Stefan Roesch <shr@fb.com>
---
 src/include/liburing.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/include/liburing.h b/src/include/liburing.h
index 0b5dfab..105f5dc 100644
--- a/src/include/liburing.h
+++ b/src/include/liburing.h
@@ -729,6 +729,17 @@ static inline void io_uring_prep_msg_ring(struct io_uring_sqe *sqe, int fd,
 	sqe->rw_flags = flags;
 }
 
+static inline void io_uring_prep_getxattr(struct io_uring_sqe *sqe,
+					  const char *name,
+					  const char *value,
+					  const char *path,
+					  size_t len)
+{
+	io_uring_prep_rw(IORING_OP_GETXATTR, sqe, 0, name, len, (__u64) value);
+	sqe->addr3 = (__u64) path;
+	sqe->xattr_flags = 0;
+}
+
 static inline void io_uring_prep_setxattr(struct io_uring_sqe *sqe,
 					  const char *name,
 					  const char *value,
@@ -741,6 +752,16 @@ static inline void io_uring_prep_setxattr(struct io_uring_sqe *sqe,
 	sqe->xattr_flags = flags;
 }
 
+static inline void io_uring_prep_fgetxattr(struct io_uring_sqe *sqe,
+		                           int         fd,
+					   const char *name,
+					   const char *value,
+					   size_t      len)
+{
+	io_uring_prep_rw(IORING_OP_FGETXATTR, sqe, fd, name, len, (__u64) value);
+	sqe->xattr_flags = 0;
+}
+
 static inline void io_uring_prep_fsetxattr(struct io_uring_sqe *sqe,
 					   int         fd,
 					   const char *name,
-- 
2.30.2