Differences

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--- btrfs [2022/05/16 19:53]
65.108.0.71 old revision restored (2021/09/16 23:27)
+++ btrfs [2022/06/30 00:20]
154.54.249.206 old revision restored (2022/02/17 00:05)
@@ Line 6: / Line 6: @@
 https://ohthehugemanatee.org/blog/2019/02/11/btrfs-out-of-space-emergency-response/
+===== Finding out resume offset for swap hibernation in 32bit machine (i386) =====
+The code "btrfs_map_physical.c" for finding out the swap file offset for hibernation resume doesn't work on 32bits.
+Error messages:
+  error opening file for reading: Value too large for defined data type
+or:
+  fstat: Value too large for defined data type
+Change:
+  	fd = open(argv[optind], O_RDONLY);
+For:
+	fd = open(argv[optind], O_RDONLY |O_LARGEFILE );
+and compile using the following command line:
+  gcc -O2 -o btrfs_map_physical -D_FILE_OFFSET_BITS=64 btrfs_map_physical.c

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