New upstream release.

35 files changed, 220 insertions, 34 deletions

diff --git a/Documentation/Makefile.in b/Documentation/Makefile.in
index 539c6b55..bdc3dc3f 100644
--- a/Documentation/Makefile.in
+++ b/Documentation/Makefile.in
@@ -32,19 +32,19 @@ MAN8_TXT += btrfs-property.asciidoc
 # Category 5 manual page
 MAN5_TXT += btrfs-man5.asciidoc
 
-MAN_TXT = $(MAN8_TXT) $(MAN5_TXT)
+MAN3_TXT += btrfs-ioctl.asciidoc
+
+MAN_TXT = $(MAN3_TXT) $(MAN8_TXT) $(MAN5_TXT)
 MAN_XML = $(patsubst %.asciidoc,%.xml,$(MAN_TXT))
 MAN_HTML = $(patsubst %.asciidoc,%.html,$(MAN_TXT))
-
-DOC_MAN5 = $(patsubst %.asciidoc,%.5,$(MAN5_TXT))
+GZ_MAN3 = $(patsubst %.asciidoc,%.3.gz,$(MAN3_TXT))
 GZ_MAN5 = $(patsubst %.asciidoc,%.5.gz,$(MAN5_TXT))
-
-DOC_MAN8 = $(patsubst %.asciidoc,%.8,$(MAN8_TXT))
 GZ_MAN8 = $(patsubst %.asciidoc,%.8.gz,$(MAN8_TXT))
 
 mandir ?= $(prefix)/share/man
-man8dir = $(mandir)/man8
+man3dir = $(mandir)/man3
 man5dir = $(mandir)/man5
+man8dir = $(mandir)/man8
 
 ASCIIDOC = @ASCIIDOC@
 ASCIIDOC_EXTRA =
@@ -72,7 +72,8 @@ endif
 endif
 
 all: man
-man: man5 man8
+man: man3 man5 man8
+man3: $(GZ_MAN3)
 man5: $(GZ_MAN5)
 man8: $(GZ_MAN8)
 html: $(MAN_HTML)
@@ -99,12 +100,19 @@ uninstall:
 clean:
 	$(QUIET_RM)$(RM) -f *.xml *.xml+ *.5 *.5.gz *.8 *.8.gz *.html
 
+%.3.gz : %.3
+	$(QUIET_GZIP)$(GZIPCMD) -n -c $< > $@
+
 %.5.gz : %.5
 	$(QUIET_GZIP)$(GZIPCMD) -n -c $< > $@
 
 %.8.gz : %.8
 	$(QUIET_GZIP)$(GZIPCMD) -n -c $< > $@
 
+%.3 : %.xml
+	$(QUIET_XMLTO)$(RM) -f $@ && \
+	$(XMLTO) -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $<
+
 %.5 : %.xml
 	$(QUIET_XMLTO)$(RM) -f $@ && \
 	$(XMLTO) -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $<
diff --git a/Documentation/btrfs-balance.8.gz b/Documentation/btrfs-balance.8.gz
index 23cc2625..1d553317 100644
--- a/Documentation/btrfs-balance.8.gz
+++ b/Documentation/btrfs-balance.8.gz
diff --git a/Documentation/btrfs-balance.asciidoc b/Documentation/btrfs-balance.asciidoc
index fba55140..cc81de91 100644
--- a/Documentation/btrfs-balance.asciidoc
+++ b/Documentation/btrfs-balance.asciidoc
@@ -45,29 +45,27 @@ COMPATIBILITY
 
 NOTE: The balance subcommand also exists under the *btrfs filesystem*
 namespace. This still works for backward compatibility but is deprecated and
-should not be used anymore.
+should not be used any more.
 
 NOTE: A short syntax *btrfs balance <path>* works due to backward compatibility
-but is deprecated and should not be used anymore. Use *btrfs balance start*
+but is deprecated and should not be used any more. Use *btrfs balance start*
 command instead.
 
 PERFORMANCE IMPLICATIONS
 ------------------------
 
-Balance operation is intense namely in the IO respect, but can be also CPU
-intense. It affects other actions on the filesystem. There are typically lots
-of data being copied from one location to another, and lots of metadata get
-updated.
+Balancing operations are very IO intensive and can also be quite CPU intensive,
+impacting other ongoing filesystem operations. Typically large amounts of data
+are copied from one location to another, with corresponding metadata updates.
 
-Depending on the actual block group layout, it can be also seek-heavy. The
-performance on rotational devices is noticeably worse than on SSDs or fast
-arrays.
+Depending upon the block group layout, it can also be seek heavy. Performance
+on rotational devices is noticeably worse compared to SSDs or fast arrays.
 
 SUBCOMMAND
 ----------
 *cancel* <path>::
-cancel running or paused balance, the command will block and wait until the
-actually processed blockgroup is finished
+cancels a running or paused balance, the command will block and wait until the
+current blockgroup being processed completes
 
 *pause* <path>::
 pause running balance operation, this will store the state of the balance
diff --git a/Documentation/btrfs-check.8.gz b/Documentation/btrfs-check.8.gz
index 05538321..9f5c4bca 100644
--- a/Documentation/btrfs-check.8.gz
+++ b/Documentation/btrfs-check.8.gz
diff --git a/Documentation/btrfs-check.asciidoc b/Documentation/btrfs-check.asciidoc
index 28ed9dd7..fbf48847 100644
--- a/Documentation/btrfs-check.asciidoc
+++ b/Documentation/btrfs-check.asciidoc
@@ -3,7 +3,7 @@ btrfs-check(8)
 
 NAME
 ----
-btrfs-check - check or repair an unmounted btrfs filesystem
+btrfs-check - check or repair a btrfs filesystem
 
 SYNOPSIS
 --------
@@ -13,7 +13,9 @@ DESCRIPTION
 -----------
 
 The filesystem checker is used to verify structural integrity of a filesystem
-and attempt to repair it if requested. The filesystem must be unmounted.
+and attempt to repair it if requested.  It is recommended to unmount the
+filesystem prior to running the check, but it is possible to start checking a
+mounted filesystem (see '--force').
 
 By default, *btrfs check* will not modify the device but you can reaffirm that
 by the option '--readonly'.
@@ -60,7 +62,7 @@ show extent state for the given subvolume
 -p|--progress::
 indicate progress at various checking phases
 
---qgroup-report::
+-Q|--qgroup-report::
 verify qgroup accounting and compare against filesystem accounting
 
 -r|--tree-root <bytenr>::
@@ -120,6 +122,12 @@ needs to re-read blocks when needed. This may increase run time.
 NOTE: 'lowmem' mode does not work with '--repair' yet, and is still considered
 experimental.
 
+--force::
+allow to work on a mounted filesystem. Note that this should work fine on a
+quiescent or read-only mounted filesystem but may crash if the device is
+changed externally, eg. by the kernel module.  Repair without mount checks is
+not supported right now.
+
 EXIT STATUS
 -----------
 *btrfs check* returns a zero exit status if it succeeds. Non zero is
diff --git a/Documentation/btrfs-convert.8.gz b/Documentation/btrfs-convert.8.gz
index 2ee31c05..9758a080 100644
--- a/Documentation/btrfs-convert.8.gz
+++ b/Documentation/btrfs-convert.8.gz
diff --git a/Documentation/btrfs-convert.asciidoc b/Documentation/btrfs-convert.asciidoc
index cbc1c730..07ff608a 100644
--- a/Documentation/btrfs-convert.asciidoc
+++ b/Documentation/btrfs-convert.asciidoc
@@ -3,7 +3,7 @@ btrfs-convert(8)
 
 NAME
 ----
-btrfs-convert - convert from ext2/3/4 filesystem to btrfs in-place
+btrfs-convert - convert from ext2/3/4 or reiserfs filesystem to btrfs in-place
 
 SYNOPSIS
 --------
@@ -11,13 +11,22 @@ SYNOPSIS
 
 DESCRIPTION
 -----------
-*btrfs-convert* is used to convert existing ext2/3/4 filesystem image to a
-btrfs filesystem in-place.  The original filesystem image is accessible
-subvolume named 'ext2_saved' as file 'image'.
+*btrfs-convert* is used to convert existing source filesystem image to a btrfs
+filesystem in-place.  The original filesystem image is accessible in subvolume
+named like 'ext2_saved' as file 'image'.
 
-WARNING: If you are going to perform rollback to ext2/3/4, you should not
-execute *btrfs balance* command on the converted filesystem. This will change
-the extent layout and make *btrfs-convert* unable to rollback.
+Supported filesystems:
+
+* ext2, ext3, ext4 -- original feature, always built in
+
+* reiserfs -- since version 4.13, opptinally built, requires libreiserfscore 3.6.27
+
+The list of supported source filesystem by a given binary is listed at the end
+of help (option '--help').
+
+WARNING: If you are going to perform rollback to the original filesystem, you
+should not execute *btrfs balance* command on the converted filesystem. This
+will change the extent layout and make *btrfs-convert* unable to rollback.
 
 The conversion utilizes free space of the original filesystem. The exact
 estimate of the required space cannot be foretold. The final btrfs metadata
@@ -38,8 +47,8 @@ NOTE: The source filesystem should be clean, you are encouraged to run the
 
 **REMOVE THE ORIGINAL FILESYSTEM METADATA**
 
-By removing the 'ext2_saved' subvolume, all metadata of the original filesystem
-will be removed:
+By removing the subvolume named like 'ext2_saved' or 'reiserfs_saved', all
+metadata of the original filesystem will be removed:
 
    # btrfs subvolume delete /mnt/ext2_saved
 
diff --git a/Documentation/btrfs-device.8.gz b/Documentation/btrfs-device.8.gz
index f9a2bb44..a457c952 100644
--- a/Documentation/btrfs-device.8.gz
+++ b/Documentation/btrfs-device.8.gz
diff --git a/Documentation/btrfs-filesystem.8.gz b/Documentation/btrfs-filesystem.8.gz
index 1dac3e56..b1628e4c 100644
--- a/Documentation/btrfs-filesystem.8.gz
+++ b/Documentation/btrfs-filesystem.8.gz
diff --git a/Documentation/btrfs-filesystem.asciidoc b/Documentation/btrfs-filesystem.asciidoc
index b60ef74b..41b30320 100644
--- a/Documentation/btrfs-filesystem.asciidoc
+++ b/Documentation/btrfs-filesystem.asciidoc
@@ -112,7 +112,7 @@ KiB, MiB, GiB, TiB, PiB, or EiB, respectively (case does not matter).
 be verbose, print file names as they're submitted for defragmentation
 -c[<algo>]::::
 compress file contents while defragmenting. Optional argument selects the compression
-algorithm, 'zlib' (default) or 'lzo'. Currently it's not possible to select no
+algorithm, 'zlib' (default), 'lzo' or 'zstd'. Currently it's not possible to select no
 compression. See also section 'EXAMPLES'.
 -r::::
 defragment files recursively in given directories
diff --git a/Documentation/btrfs-find-root.8.gz b/Documentation/btrfs-find-root.8.gz
index beda326d..bbe8ad41 100644
--- a/Documentation/btrfs-find-root.8.gz
+++ b/Documentation/btrfs-find-root.8.gz
diff --git a/Documentation/btrfs-image.8.gz b/Documentation/btrfs-image.8.gz
index 518b0714..cc7fc7ba 100644
--- a/Documentation/btrfs-image.8.gz
+++ b/Documentation/btrfs-image.8.gz
diff --git a/Documentation/btrfs-inspect-internal.8.gz b/Documentation/btrfs-inspect-internal.8.gz
index 3072fda0..145bbb3d 100644
--- a/Documentation/btrfs-inspect-internal.8.gz
+++ b/Documentation/btrfs-inspect-internal.8.gz
diff --git a/Documentation/btrfs-ioctl.asciidoc b/Documentation/btrfs-ioctl.asciidoc
new file mode 100644
index 00000000..11bf62b1
--- /dev/null
+++ b/Documentation/btrfs-ioctl.asciidoc
@@ -0,0 +1,140 @@
+btrfs-ioctl(3)
+================
+
+NAME
+----
+
+btrfs-ioctl - documentation for the ioctl interface to btrfs
+
+DATA STRUCTURES AND DEFINITIONS
+-------------------------------
+
+[verse]
+struct btrfs_ioctl_vol_args {
+	__s64 fd;
+	char name[BTRFS_PATH_NAME_MAX + 1];
+};
+
+[verse]
+struct btrfs_ioctl_vol_args_v2 {
+	\__s64 fd;
+	\__u64 transid;
+	\__u64 flags;
+	union {
+		struct {
+			\__u64 size;
+			struct btrfs_qgroup_inherit \__user *qgroup_inherit;
+		};
+		__u64 unused[4];
+	};
+	char name[BTRFS_SUBVOL_NAME_MAX + 1];
+};
+
+[verse]
+BTRFS_SUBVOL_NAME_MAX = 4039
+BTRFS_PATH_NAME_MAX = 4087
+
+LIST OF IOCTLS
+--------------
+
+ BTRFS_IOC_SUBVOL_CREATE -- (obsolete) create a subvolume
+ BTRFS_IOC_SNAP_CREATE
+ BTRFS_IOC_DEFRAG
+ BTRFS_IOC_RESIZE
+ BTRFS_IOC_SCAN_DEV
+ BTRFS_IOC_TRANS_START
+ BTRFS_IOC_TRANS_END
+ BTRFS_IOC_SYNC
+ BTRFS_IOC_CLONE
+ BTRFS_IOC_ADD_DEV
+ BTRFS_IOC_RM_DEV
+ BTRFS_IOC_BALANCE
+ BTRFS_IOC_CLONE_RANGE
+ BTRFS_IOC_SUBVOL_CREATE
+ BTRFS_IOC_SNAP_DESTROY
+ BTRFS_IOC_DEFRAG_RANGE
+ BTRFS_IOC_TREE_SEARCH
+ BTRFS_IOC_TREE_SEARCH_V2
+ BTRFS_IOC_INO_LOOKUP
+ BTRFS_IOC_DEFAULT_SUBVOL
+ BTRFS_IOC_SPACE_INFO
+ BTRFS_IOC_START_SYNC
+ BTRFS_IOC_WAIT_SYNC
+ BTRFS_IOC_SNAP_CREATE_V2
+ BTRFS_IOC_SUBVOL_CREATE_V2 -- create a subvolume
+ BTRFS_IOC_SUBVOL_GETFLAGS
+ BTRFS_IOC_SUBVOL_SETFLAGS
+ BTRFS_IOC_SCRUB
+ BTRFS_IOC_SCRUB_CANCEL
+ BTRFS_IOC_SCRUB_PROGRESS
+ BTRFS_IOC_DEV_INFO
+ BTRFS_IOC_FS_INFO
+ BTRFS_IOC_BALANCE_V2
+ BTRFS_IOC_BALANCE_CTL
+ BTRFS_IOC_BALANCE_PROGRESS
+ BTRFS_IOC_INO_PATHS
+ BTRFS_IOC_LOGICAL_INO
+ BTRFS_IOC_SET_RECEIVED_SUBVOL
+ BTRFS_IOC_SEND
+ BTRFS_IOC_DEVICES_READY
+ BTRFS_IOC_QUOTA_CTL
+ BTRFS_IOC_QGROUP_ASSIGN
+ BTRFS_IOC_QGROUP_CREATE
+ BTRFS_IOC_QGROUP_LIMIT
+ BTRFS_IOC_QUOTA_RESCAN
+ BTRFS_IOC_QUOTA_RESCAN_STATUS
+ BTRFS_IOC_QUOTA_RESCAN_WAIT
+ BTRFS_IOC_GET_FSLABEL
+ BTRFS_IOC_SET_FSLABEL
+ BTRFS_IOC_GET_DEV_STATS
+ BTRFS_IOC_DEV_REPLACE
+ BTRFS_IOC_FILE_EXTENT_SAME
+ BTRFS_IOC_GET_FEATURES
+ BTRFS_IOC_SET_FEATURES
+ BTRFS_IOC_GET_SUPPORTED_FEATURES
+
+DETAILED DESCRIPTION
+--------------------
+
+BTRFS_IOC_SUBVOL_CREATE
+~~~~~~~~~~~~~~~~~~~~~~~
+NOTE: obsoleted by BTRFS_IOC_SUBVOL_CREATE_V2
+
+_(since: 3.0, obsoleted: 4.0)_ Create a subvolume.
+
+ioctl fd:: file descriptor of the parent directory of the new subvolume
+argument:: struct btrfs_ioctl_vol_args
+fd:: ignored
+name:: name of the subvolume, although the buffer can be almost 4k, the file
+size is limited by linux VFS to 255 characters and must not contain a slash
+('/')
+
+
+BTRFS_IOC_SUBVOL_CREATE_V2
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+NOTE: obsoletes BTRFS_IOC_SUBVOL_CREATE
+
+_(since: 3.6)_ Create a subvolume, qgroup inheritance can be specified.
+
+ioctl fd:: file descriptor of the parent directory of the new subvolume
+argument:: struct btrfs_ioctl_vol_args_v2
+fd:: ignored
+transid:: ignored
+flags:: ignored
+size:: ...
+qgroup_inherit:: ...
+name:: name of the subvolume, although the buffer can be almost 4k, the file
+size is limited by linux VFS to 255 characters and must not contain a slash
+('/')
+devid:: ...
+
+
+AVAILABILITY
+------------
+*btrfs* is part of btrfs-progs.
+Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for
+further details.
+
+SEE ALSO
+--------
+`ioctl`(2)
diff --git a/Documentation/btrfs-man5.asciidoc b/Documentation/btrfs-man5.asciidoc
index 8d9031f5..3981435e 100644
--- a/Documentation/btrfs-man5.asciidoc
+++ b/Documentation/btrfs-man5.asciidoc
@@ -118,7 +118,7 @@ but a warning is printed if it's more than 300 seconds (5 minutes).
 (default: off)
 +
 Control BTRFS file data compression.  Type may be specified as 'zlib',
-'lzo' or 'no' (for no compression, used for remounting).  If no type
+'lzo', 'zstd' or 'no' (for no compression, used for remounting).  If no type
 is specified, 'zlib' is used.  If 'compress-force' is specified,
 the compression will allways be attempted, but the data may end up uncompressed
 if the compression would make them larger.
@@ -472,6 +472,12 @@ page size
 the 'lzo' compression has been used on the filesystem, either as a mount option
 or via *btrfs filesystem defrag*.
 
+*compress_zstd*::
+(since: 4.14)
++
+the 'zstd' compression has been used on the filesystem, either as a mount option
+or via *btrfs filesystem defrag*.
+
 *default_subvol*::
 (since: 2.6.34)
 +
diff --git a/Documentation/btrfs-map-logical.8.gz b/Documentation/btrfs-map-logical.8.gz
index e8f26048..ce04a33a 100644
--- a/Documentation/btrfs-map-logical.8.gz
+++ b/Documentation/btrfs-map-logical.8.gz
diff --git a/Documentation/btrfs-property.8.gz b/Documentation/btrfs-property.8.gz
index 34e80ae4..e8a46fc9 100644
--- a/Documentation/btrfs-property.8.gz
+++ b/Documentation/btrfs-property.8.gz
diff --git a/Documentation/btrfs-property.asciidoc b/Documentation/btrfs-property.asciidoc
index 05ab0bc7..7ed6a7df 100644
--- a/Documentation/btrfs-property.asciidoc
+++ b/Documentation/btrfs-property.asciidoc
@@ -43,7 +43,7 @@ read-only flag of subvolume: true or false
 label::::
 label of device
 compression::::
-compression setting for an inode: lzo, zlib, or "" (empty string)
+compression setting for an inode: lzo, zlib, zstd, or "" (empty string)
 
 *list* [-t <type>] <object>::
 Lists available properties with their descriptions for the given object.
diff --git a/Documentation/btrfs-qgroup.8.gz b/Documentation/btrfs-qgroup.8.gz
index d6b7b036..8201a6e9 100644
--- a/Documentation/btrfs-qgroup.8.gz
+++ b/Documentation/btrfs-qgroup.8.gz
diff --git a/Documentation/btrfs-quota.8.gz b/Documentation/btrfs-quota.8.gz
index cef3cede..7c6c3001 100644
--- a/Documentation/btrfs-quota.8.gz
+++ b/Documentation/btrfs-quota.8.gz
diff --git a/Documentation/btrfs-quota.asciidoc b/Documentation/btrfs-quota.asciidoc
index ef2e5d33..f882647d 100644
--- a/Documentation/btrfs-quota.asciidoc
+++ b/Documentation/btrfs-quota.asciidoc
@@ -96,7 +96,23 @@ instead of '0/ID'.  For all higher levels, the ID can be chosen freely.
 Each qgroup can contain a set of lower level qgroups, thus creating a hierarchy
 of qgroups. Figure 1 shows an example qgroup tree.
 
-// TODO: insert Figure 1
+                          +---+
+                          |2/1|
+                          +---+
+                         /     \
+                   +---+/       \+---+
+                   |1/1|         |1/2|
+                   +---+         +---+
+                  /     \       /     \
+            +---+/       \+---+/       \+---+
+qgroups     |0/1|         |0/2|         |0/3|
+            +-+-+         +---+         +---+
+              |          /     \       /     \
+              |         /       \     /       \
+              |        /         \   /         \
+extents       1       2            3            4
+
+Figure1: Sample qgroup hierarchy
 
 At the bottom, some extents are depicted showing which qgroups reference which
 extents.  It is important to understand the notion of 'referenced' vs
diff --git a/Documentation/btrfs-receive.8.gz b/Documentation/btrfs-receive.8.gz
index f06a31a0..4b53e360 100644
--- a/Documentation/btrfs-receive.8.gz
+++ b/Documentation/btrfs-receive.8.gz
diff --git a/Documentation/btrfs-replace.8.gz b/Documentation/btrfs-replace.8.gz
index 9e69a725..75fce06e 100644
--- a/Documentation/btrfs-replace.8.gz
+++ b/Documentation/btrfs-replace.8.gz
diff --git a/Documentation/btrfs-rescue.8.gz b/Documentation/btrfs-rescue.8.gz
index fba9170b..cbf07923 100644
--- a/Documentation/btrfs-rescue.8.gz
+++ b/Documentation/btrfs-rescue.8.gz
diff --git a/Documentation/btrfs-rescue.asciidoc b/Documentation/btrfs-rescue.asciidoc
index a9b471fe..24b619c6 100644
--- a/Documentation/btrfs-rescue.asciidoc
+++ b/Documentation/btrfs-rescue.asciidoc
@@ -57,6 +57,7 @@ or less if the commit was implied by other filesystem activity.
 +
 One can determine whether *zero-log* is needed according to the kernel
 backtrace:
++
 ----
 ? replay_one_dir_item+0xb5/0xb5 [btrfs]
 ? walk_log_tree+0x9c/0x19d [btrfs]
diff --git a/Documentation/btrfs-restore.8.gz b/Documentation/btrfs-restore.8.gz
index 33da7fc7..2fa149f6 100644
--- a/Documentation/btrfs-restore.8.gz
+++ b/Documentation/btrfs-restore.8.gz
diff --git a/Documentation/btrfs-scrub.8.gz b/Documentation/btrfs-scrub.8.gz
index 4ebd23dd..edfc4390 100644
--- a/Documentation/btrfs-scrub.8.gz
+++ b/Documentation/btrfs-scrub.8.gz
diff --git a/Documentation/btrfs-select-super.8.gz b/Documentation/btrfs-select-super.8.gz
index 87f421d8..2cf064db 100644
--- a/Documentation/btrfs-select-super.8.gz
+++ b/Documentation/btrfs-select-super.8.gz
diff --git a/Documentation/btrfs-send.8.gz b/Documentation/btrfs-send.8.gz
index 100458c8..06002bd1 100644
--- a/Documentation/btrfs-send.8.gz
+++ b/Documentation/btrfs-send.8.gz
diff --git a/Documentation/btrfs-subvolume.8.gz b/Documentation/btrfs-subvolume.8.gz
index 262073ff..3d8519a5 100644
--- a/Documentation/btrfs-subvolume.8.gz
+++ b/Documentation/btrfs-subvolume.8.gz
diff --git a/Documentation/btrfs.5.gz b/Documentation/btrfs.5.gz
index 9b97da35..b72078a8 100644
--- a/Documentation/btrfs.5.gz
+++ b/Documentation/btrfs.5.gz
diff --git a/Documentation/btrfs.8.gz b/Documentation/btrfs.8.gz
index 4c151f07..0330e855 100644
--- a/Documentation/btrfs.8.gz
+++ b/Documentation/btrfs.8.gz
diff --git a/Documentation/btrfstune.8.gz b/Documentation/btrfstune.8.gz
index 0d2d6445..30a81a82 100644
--- a/Documentation/btrfstune.8.gz
+++ b/Documentation/btrfstune.8.gz
diff --git a/Documentation/fsck.btrfs.8.gz b/Documentation/fsck.btrfs.8.gz
index 77706f2f..86c8bfc6 100644
--- a/Documentation/fsck.btrfs.8.gz
+++ b/Documentation/fsck.btrfs.8.gz
diff --git a/Documentation/mkfs.btrfs.8.gz b/Documentation/mkfs.btrfs.8.gz
index c6fc318d..11956269 100644
--- a/Documentation/mkfs.btrfs.8.gz
+++ b/Documentation/mkfs.btrfs.8.gz