Merge tag 'xfs-reflink-for-linus-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kerne...

[cascardo/linux.git] / include / uapi / linux / fs.h

diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 2473272..acb2b61 100644 (file)
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -158,7 +158,8 @@ struct fsxattr {
        __u32           fsx_extsize;    /* extsize field value (get/set)*/
        __u32           fsx_nextents;   /* nextents field value (get)   */
        __u32           fsx_projid;     /* project identifier (get/set) */
-       unsigned char   fsx_pad[12];
+       __u32           fsx_cowextsize; /* CoW extsize field value (get/set)*/
+       unsigned char   fsx_pad[8];
 };
 
 /*
@@ -179,6 +180,7 @@ struct fsxattr {
 #define FS_XFLAG_NODEFRAG      0x00002000      /* do not defragment */
 #define FS_XFLAG_FILESTREAM    0x00004000      /* use filestream allocator */
 #define FS_XFLAG_DAX           0x00008000      /* use DAX for IO */
+#define FS_XFLAG_COWEXTSIZE    0x00010000      /* CoW extent size allocator hint */
 #define FS_XFLAG_HASATTR       0x80000000      /* no DIFLAG for this   */
 
 /* the read-only stuff doesn't really belong here, but any other place is