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-rw-r--r--include/uapi/linux/bpf.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 0e1cdf806fe1..0388bc0200b0 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -3513,6 +3513,7 @@ union bpf_attr {
*
* **-EPERM** This helper cannot be used under the
* current sock_ops->op.
+ *
* void *bpf_inode_storage_get(struct bpf_map *map, void *inode, void *value, u64 flags)
* Description
* Get a bpf_local_storage from an *inode*.
@@ -3548,6 +3549,18 @@ union bpf_attr {
* 0 on success.
*
* **-ENOENT** if the bpf_local_storage cannot be found.
+ *
+ * long bpf_d_path(struct path *path, char *buf, u32 sz)
+ * Description
+ * Return full path for given 'struct path' object, which
+ * needs to be the kernel BTF 'path' object. The path is
+ * returned in the provided buffer 'buf' of size 'sz' and
+ * is zero terminated.
+ *
+ * Return
+ * On success, the strictly positive length of the string,
+ * including the trailing NUL character. On error, a negative
+ * value.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -3697,6 +3710,7 @@ union bpf_attr {
FN(reserve_hdr_opt), \
FN(inode_storage_get), \
FN(inode_storage_delete), \
+ FN(d_path), \
/* */
/* integer value in 'imm' field of BPF_CALL instruction selects which helper