diff --git a/pkgs/os-specific/linux/kernel/btrfs-enospc.patch b/pkgs/os-specific/linux/kernel/btrfs-enospc.patch new file mode 100644 index 00000000000..aebe285227d --- /dev/null +++ b/pkgs/os-specific/linux/kernel/btrfs-enospc.patch @@ -0,0 +1,21 @@ +Revert of http://git.kernel.org/?p=linux/kernel/git/mason/linux-btrfs.git;a=commit;h=5500cdbe14d7435e04f66ff3cfb8ecd8b8e44ebf + +Btrfs mailing list where this patch comes from: +http://article.gmane.org/gmane.comp.file-systems.btrfs/16650 + +This change caused early ENOSPC, and should be integrated to some linux 3.3, but it is still +not there. That's what #btrfs people say. + +diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c +index dc083f5..079e5a1 100644 +--- a/fs/btrfs/extent-tree.c ++++ b/fs/btrfs/extent-tree.c +@@ -4108,7 +4108,7 @@ static u64 calc_global_metadata_size(struct btrfs_fs_info *fs_info) + num_bytes += div64_u64(data_used + meta_used, 50); + + if (num_bytes * 3 > meta_used) +- num_bytes = div64_u64(meta_used, 3) * 2; ++ num_bytes = div64_u64(meta_used, 3); + + return ALIGN(num_bytes, fs_info->extent_root->leafsize << 10); + } diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix index 75f6473b57b..9d4a6d001c4 100644 --- a/pkgs/os-specific/linux/kernel/patches.nix +++ b/pkgs/os-specific/linux/kernel/patches.nix @@ -359,4 +359,9 @@ rec { name = "guruplug-arch-number"; patch = ./guruplug-mach-type.patch; }; + + btrfs_enospc = + { name = "btrfs-enospc-3.3-revert"; + patch = ./btrfs-enospc.patch; + }; } diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix index 919b2f19642..fd1f06120b8 100644 --- a/pkgs/top-level/all-packages.nix +++ b/pkgs/top-level/all-packages.nix @@ -5713,6 +5713,7 @@ let kernelPatches.sec_perm_2_6_24 kernelPatches.aufs3_3 kernelPatches.efi_bootstub_config_3_3 + kernelPatches.btrfs_enospc #kernelPatches.mips_restart_2_6_36 ]; };