Btrfs: Send: preserve ownership (uid and gid) also for symlinks.

This patch also requires a change in the user-space part of "receive".
We need to use "lchown" instead of "chown". We will do this in the
following patch.

Signed-off-by: Alex Lyakas <alex.btrfs@zadarastorage.com>

 	if (S_ISREG(sctx->cur_inode_mode)) {

1 files changed, 13 insertions, 14 deletions

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 97cc5399306b..e78b297b0b00 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4067,22 +4067,21 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end)
         if (ret < 0)
                 goto out;
 
-        if (!S_ISLNK(sctx->cur_inode_mode)) {
-                if (!sctx->parent_root || sctx->cur_inode_new) {
+        if (!sctx->parent_root || sctx->cur_inode_new) {
+                need_chown = 1;
+                if (!S_ISLNK(sctx->cur_inode_mode))
                         need_chmod = 1;
-                        need_chown = 1;
-                } else {
-                        ret = get_inode_info(sctx->parent_root, sctx->cur_ino,
-                                        NULL, NULL, &right_mode, &right_uid,
-                                        &right_gid, NULL);
-                        if (ret < 0)
-                                goto out;
+        } else {
+                ret = get_inode_info(sctx->parent_root, sctx->cur_ino,
+                                NULL, NULL, &right_mode, &right_uid,
+                                &right_gid, NULL);
+                if (ret < 0)
+                        goto out;
 
-                        if (left_uid != right_uid || left_gid != right_gid)
-                                need_chown = 1;
-                        if (left_mode != right_mode)
-                                need_chmod = 1;
-                }
+                if (left_uid != right_uid || left_gid != right_gid)
+                        need_chown = 1;
+                if (!S_ISLNK(sctx->cur_inode_mode) && left_mode != right_mode)
+                        need_chmod = 1;
         }
 
         if (S_ISREG(sctx->cur_inode_mode)) {