File xfsprogs-xfs_growfs-allow-mounted-device-node-a... of Package xfsprogs

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File xfsprogs-xfs_growfs-allow-mounted-device-node-as-argument.patch of Package xfsprogs

From 7e8275f8939988f18f9a4a596381ca215fde2270 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 4 Nov 2019 15:35:49 -0500
Subject: [PATCH] xfs_growfs: allow mounted device node as argument
Git-commit: 7e8275f8939988f18f9a4a596381ca215fde2270
Patch-mainline: v5.3.0-rc2
References: bsc#1181299

Up until:

b97815a0 xfs_growfs: ensure target path is an active xfs mountpoint

xfs_growfs actually accepted a mounted block device name as the
primary argument, because it could be found in the mount table.

It turns out that Ansible was making use of this undocumented behavior,
and it's trivial to allow it, so put it back in place and document
it this time.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Acked-by: Anthony Iliopoulos <ailiop@suse.com>

---
 growfs/xfs_growfs.c   |  3 +++
 man/man8/xfs_growfs.8 | 10 +++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/growfs/xfs_growfs.c b/growfs/xfs_growfs.c
index eab15984bf28..6c62833b1eb1 100644
--- a/growfs/xfs_growfs.c
+++ b/growfs/xfs_growfs.c
@@ -141,6 +141,9 @@ main(int argc, char **argv)
 	}
 
 	fs = fs_table_lookup_mount(rpath);
+	if (!fs)
+		fs = fs_table_lookup_blkdev(rpath);
+
 	if (!fs) {
 		fprintf(stderr, _("%s: %s is not a mounted XFS filesystem\n"),
 			progname, argv[optind]);
diff --git a/man/man8/xfs_growfs.8 b/man/man8/xfs_growfs.8
index 7e6a387c8729..60a88189dd88 100644
--- a/man/man8/xfs_growfs.8
+++ b/man/man8/xfs_growfs.8
@@ -35,7 +35,12 @@ xfs_growfs \- expand an XFS filesystem
 .B \-R
 .I size
 ]
+[
 .I mount-point
+|
+.I block-device
+]
+
 .br
 .B xfs_growfs \-V
 .SH DESCRIPTION
@@ -45,7 +50,10 @@ expands an existing XFS filesystem (see
 The
 .I mount-point
 argument is the pathname of the directory where the filesystem
-is mounted. The filesystem must be mounted to be grown (see
+is mounted. The
+.I block-device
+argument is the device name of a mounted XFS filesystem.
+The filesystem must be mounted to be grown (see
 .BR mount (8)).
 The existing contents of the filesystem are undisturbed, and the added space
 becomes available for additional file storage.
-- 
2.30.0

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