The 'btrfsck' command has been deprecated in favor of 'btrfs check'. For
compatibility install a symlink to the btrfs-check.8 manpage.

CC: Qu Wenruo <quwen...@cn.fujitsu.com>
Signed-off-by: David Sterba <dste...@suse.cz>
---
 Documentation/Makefile        | 2 ++
 Documentation/btrfs-check.txt | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/Makefile b/Documentation/Makefile
index ec8598bb57d3..1eef9fd57da3 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -48,6 +48,7 @@ XMLTO_EXTRA = -m manpage-bold-literal.xsl
 GZIP = gzip
 INSTALL ?= install
 RM ?= rm -f
+LNS ?= ln -sf
 BTRFS_VERSION = $(shell sed -n 's/.*BTRFS_BUILD_VERSION "Btrfs \(.*\)"/\1/p'\
                  ../version.h)
 
@@ -73,6 +74,7 @@ install: install-man
 install-man: man
        $(INSTALL) -d -m 755 $(DESTDIR)$(man8dir)
        $(INSTALL) -m 644 $(GZ_MAN8) $(DESTDIR)$(man8dir)
+       $(LNS) btrfs-check.txt $(DESTDIR)$(man8dir)
 
 clean:
        $(RM) *.xml *.xml+ *.8 *.8.gz
diff --git a/Documentation/btrfs-check.txt b/Documentation/btrfs-check.txt
index ddd7fe77eca2..485a49cbc3ec 100644
--- a/Documentation/btrfs-check.txt
+++ b/Documentation/btrfs-check.txt
@@ -18,6 +18,8 @@ command, it is *highly* recommended to read the following 
btrfs wiki before
 executing 'btrfs check' with '--repair' option: +
 https://btrfs.wiki.kernel.org/index.php/Btrfsck
 
+'btrfsck' is an alias of 'btrfs check' command and is now deprecated.
+
 OPTIONS
 -------
 -s|--support <superblock>::
@@ -47,4 +49,3 @@ SEE ALSO
 `mkfs.btrfs`(8),
 `btrfs-scrub`(8),
 `btrfs-rescue`(8)
-`btrfsck`(8)
-- 
1.9.0

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