Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[~andy/linux] / fs / btrfs / send.c

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 730dce395858a6e4c86a43b4a8fa41779d719e0d..9dde9717c1b9264124d007184bc4c4d60276d99c 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -24,12 +24,12 @@
 #include <linux/xattr.h>
 #include <linux/posix_acl_xattr.h>
 #include <linux/radix-tree.h>
-#include <linux/crc32c.h>
 #include <linux/vmalloc.h>
 #include <linux/string.h>
 
 #include "send.h"
 #include "backref.h"
+#include "hash.h"
 #include "locking.h"
 #include "disk-io.h"
 #include "btrfs_inode.h"
@@ -620,7 +620,7 @@ static int send_cmd(struct send_ctx *sctx)
        hdr->len = cpu_to_le32(sctx->send_size - sizeof(*hdr));
        hdr->crc = 0;
 
-       crc = crc32c(0, (unsigned char *)sctx->send_buf, sctx->send_size);
+       crc = btrfs_crc32c(0, (unsigned char *)sctx->send_buf, sctx->send_size);
        hdr->crc = cpu_to_le32(crc);
 
        ret = write_buf(sctx->send_filp, sctx->send_buf, sctx->send_size,
@@ -1332,6 +1332,16 @@ verbose_printk(KERN_DEBUG "btrfs: find_extent_clone: data_offset=%llu, "
        }
 
        if (cur_clone_root) {
+               if (compressed != BTRFS_COMPRESS_NONE) {
+                       /*
+                        * Offsets given by iterate_extent_inodes() are relative
+                        * to the start of the extent, we need to add logical
+                        * offset from the file extent item.
+                        * (See why at backref.c:check_extent_in_eb())
+                        */
+                       cur_clone_root->offset += btrfs_file_extent_offset(eb,
+                                                                          fi);
+               }
                *found = cur_clone_root;
                ret = 0;
        } else {
@@ -2774,8 +2784,6 @@ static int add_waiting_dir_move(struct send_ctx *sctx, u64 ino)
        return 0;
 }
 
-#ifdef CONFIG_BTRFS_ASSERT
-
 static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
 {
        struct rb_node *n = sctx->waiting_dir_moves.rb_node;
@@ -2796,8 +2804,6 @@ static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
        return -ENOENT;
 }
 
-#endif
-
 static int add_pending_dir_move(struct send_ctx *sctx, u64 parent_ino)
 {
        struct rb_node **p = &sctx->pending_dir_moves.rb_node;
@@ -2902,7 +2908,9 @@ static int apply_dir_move(struct send_ctx *sctx, struct pending_dir_move *pm)
        }
 
        sctx->send_progress = sctx->cur_ino + 1;
-       ASSERT(del_waiting_dir_move(sctx, pm->ino) == 0);
+       ret = del_waiting_dir_move(sctx, pm->ino);
+       ASSERT(ret == 0);
+
        ret = get_cur_path(sctx, pm->ino, pm->gen, to_path);
        if (ret < 0)
                goto out;