diff --git a/Documentation/Tree-checker.rst b/Documentation/Tree-checker.rst index 68df6fdf..620c203f 100644 --- a/Documentation/Tree-checker.rst +++ b/Documentation/Tree-checker.rst @@ -30,7 +30,7 @@ fine. A message may look like: -.. code-block:: +.. code-block:: none [ 1716.823895] BTRFS critical (device vdb): corrupt leaf: root=18446744073709551607 block=38092800 slot=0, invalid key objectid: has 1 expect 6 or [256, 18446744073709551360] or 18446744073709551604 [ 1716.829499] BTRFS info (device vdb): leaf 38092800 gen 19 total ptrs 4 free space 15851 owner 18446744073709551607 @@ -54,7 +54,7 @@ checksum is found to be valid. This protects against changes to the metadata that could possibly also update the checksum, less likely to happen accidentally but rather due to intentional corruption or fuzzing. -.. code-block:: +.. code-block:: none [ 4823.612832] BTRFS critical (device vdb): corrupt leaf: root=7 block=30474240 slot=0, invalid nritems, have 0 should not be 0 for non-root leaf [ 4823.616798] BTRFS error (device vdb): block=30474240 read time tree block corruption detected diff --git a/Documentation/ch-subvolume-intro.rst b/Documentation/ch-subvolume-intro.rst index 57b42fe7..9ca39d0a 100644 --- a/Documentation/ch-subvolume-intro.rst +++ b/Documentation/ch-subvolume-intro.rst @@ -138,7 +138,7 @@ Mounting a read-write snapshot as read-only is possible and will not change the The name of the mounted subvolume is stored in file :file:`/proc/self/mountinfo` in the 4th column: -.. code-block:: +.. code-block:: none 27 21 0:19 /subv1 /mnt rw,relatime - btrfs /dev/sda rw,space_cache ^^^^^^ diff --git a/Documentation/dev/Developer-s-FAQ.rst b/Documentation/dev/Developer-s-FAQ.rst index 6d8d78e5..49690041 100644 --- a/Documentation/dev/Developer-s-FAQ.rst +++ b/Documentation/dev/Developer-s-FAQ.rst @@ -178,7 +178,7 @@ For the next iteration, add a short description of the changes made, under the first **---** (triple dash) marker in the patch. For example (see also Example 3): -.. code-block:: +.. code-block:: none --- V3: renamed variable diff --git a/Documentation/dev/Experimental.rst b/Documentation/dev/Experimental.rst index 4817faa5..70d14850 100644 --- a/Documentation/dev/Experimental.rst +++ b/Documentation/dev/Experimental.rst @@ -11,7 +11,7 @@ filed as issues. In the code use it like: -.. code-block:: +.. code-block:: none if (EXPERIMENTAL) { ... @@ -22,7 +22,7 @@ where it would break default build. Or: -.. code-block:: +.. code-block:: none #if EXPERIMENTAL ... diff --git a/Documentation/dev/dev-btrfs-design.rst b/Documentation/dev/dev-btrfs-design.rst index c3a6d738..befd30a1 100644 --- a/Documentation/dev/dev-btrfs-design.rst +++ b/Documentation/dev/dev-btrfs-design.rst @@ -15,7 +15,7 @@ The Btrfs btree provides a generic facility to store a variety of data types. Internally it only knows about three data structures: keys, items, and a block header: -.. code-block:: +.. code-block:: none struct btrfs_header { u8 csum[32]; @@ -30,7 +30,7 @@ items, and a block header: u8 level; } -.. code-block:: +.. code-block:: none struct btrfs_disk_key { __le64 objectid; @@ -38,7 +38,7 @@ items, and a block header: __le64 offset; } -.. code-block:: +.. code-block:: none struct btrfs_item { struct btrfs_disk_key key; @@ -311,7 +311,7 @@ field of the root block may be different from the objectid of the snapshot. So, when dropping references on tree roots, the objectid of the root structure is always used. When a backref is deleted: -.. code-block:: +.. code-block:: none if backref was for a tree root:      root_objectid = root->root_key.objectid diff --git a/Documentation/trouble-index.rst b/Documentation/trouble-index.rst index 8de7d623..4d07c851 100644 --- a/Documentation/trouble-index.rst +++ b/Documentation/trouble-index.rst @@ -12,7 +12,7 @@ Error: parent transid verify error Reason: result of a failed internal consistency check of the filesystem's metadata. Type: permanent -.. code-block:: +.. code-block:: none [ 4007.489730] BTRFS error (device vdb): parent transid verify failed on 30736384 wanted 10 found 8 @@ -59,7 +59,7 @@ persisted and possibly making old copies available. The most obvious way how to exhaust space is to create a file until the data chunks are full: -.. code-block:: +.. code-block:: none $ df -h . Filesystem Size Used Avail Use% Mounted on @@ -98,7 +98,7 @@ action is possible. If not, ENOSPC is returned. Error: unable to start balance with target metadata profile ----------------------------------------------------------- -.. code-block:: +.. code-block:: none unable to start balance with target metadata profile 32 @@ -111,7 +111,7 @@ Error: balance will reduce metadata integrity The full message in system log -.. code-block:: +.. code-block:: none balance will reduce metadata integrity, use force if you want this @@ -126,7 +126,7 @@ The preferred way is to use the :command:`wipefs` utility that is part of the *util-linux* package. Running the command with the device will not destroy the data, just list the detected filesystems: -.. code-block:: +.. code-block:: none # wipefs /dev/sda offset type @@ -137,7 +137,7 @@ the data, just list the detected filesystems: Remove the filesystem signature at a given offset or wipe all recognized signatures on the device: -.. code-block:: +.. code-block:: none # wipefs -o 0x10040 /dev/sda 8 bytes [5f 42 48 52 66 53 5f 4d] erased at offset 0x10040 (btrfs) @@ -172,7 +172,7 @@ at 64MiB, the third one at 256GiB. The following lines reset the signature on all the three copies: -.. code-block:: +.. code-block:: none # dd if=/dev/zero bs=1 count=8 of=/dev/sda seek=$((64*1024+64)) # dd if=/dev/zero bs=1 count=8 of=/dev/sda seek=$((64*1024*1024+64)) @@ -180,7 +180,7 @@ on all the three copies: If you want to restore the super block signatures: -.. code-block:: +.. code-block:: none # echo "_BHRfS_M" | dd bs=1 count=8 of=/dev/sda seek=$((64*1024+64)) # echo "_BHRfS_M" | dd bs=1 count=8 of=/dev/sda seek=$((64*1024*1024+64))