[LTP] [PATCH v4 6/9] tst_test.sh: Introduce TST_FS_TYPE_FUSE

[Petr Vorel]

Useful if tests need to grep on mount output (there is fuseblk instead
of expected filesystem).

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
 doc/shell-test-api.txt    |  2 ++
 testcases/lib/tst_test.sh | 14 +++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/doc/shell-test-api.txt b/doc/shell-test-api.txt
index 18ed144a9..e16080061 100644
--- a/doc/shell-test-api.txt
+++ b/doc/shell-test-api.txt
@@ -210,6 +210,8 @@ simply by setting right '$TST_FOO'.
 | 'TST_DEVICE'             | Block device name for 'tst_mount' and 'tst_mkfs', see
                              https://github.com/linux-test-project/ltp/wiki/Shell-Test-API#formatting-device-with-a-filesystem[Formatting device with a filesystem].
 | 'TST_FS_TYPE'            | Override the default filesystem to be used.
+| 'TST_FS_TYPE_FUSE'       | 1 if mounted 'TST_FS_TYPE' filesystem on
+                             'TST_DEVICE' device is FUSE.
 | 'TST_MNTPOINT'           | Holds path to mountpoint used in 'tst_mount', see
                              https://github.com/linux-test-project/ltp/wiki/Shell-Test-API#formatting-device-with-a-filesystem[Formatting device with a filesystem].
 | 'TST_MNT_PARAMS'         | Extra mount params for 'tst_mount', see
diff --git a/testcases/lib/tst_test.sh b/testcases/lib/tst_test.sh
index 2937bd80c..78dbfc1ce 100644
--- a/testcases/lib/tst_test.sh
+++ b/testcases/lib/tst_test.sh
@@ -307,6 +307,18 @@ tst_mount()
 	if [ $ret -ne 0 ]; then
 		tst_brk TBROK "Failed to mount device${mnt_err}: mount exit = $ret"
 	fi
+
+	mnt_real="$(grep -E "$TST_MNTPOINT ($TST_FS_TYPE|fuseblk)" /proc/mounts | awk 'NR==1{print $3}')"
+	case $mnt_real in
+		'') tst_brk TBROK 'Failed to found filesystem type in /proc/mounts';;
+		'fuseblk') TST_FS_TYPE_FUSE=1;;
+		*)
+			if [ "$mnt_real" != "$TST_FS_TYPE" ]; then
+				tst_brk TBROK "$mnt_real: unsupported type in /proc/mounts"
+			fi
+			TST_FS_TYPE_FUSE=
+		;;
+		esac
 }
 
 tst_umount()
@@ -636,7 +648,7 @@ tst_run()
 			OPTS|USAGE|PARSE_ARGS|POS_ARGS);;
 			NEEDS_ROOT|NEEDS_TMPDIR|TMPDIR|NEEDS_DEVICE|DEVICE);;
 			NEEDS_CMDS|NEEDS_MODULE|MODPATH|DATAROOT);;
-			NEEDS_DRIVERS|FS_TYPE|MNTPOINT|MNT_PARAMS);;
+			NEEDS_DRIVERS|FS_TYPE|FS_TYPE_FUSE|MNTPOINT|MNT_PARAMS);;
 			NEEDS_KCONFIGS|NEEDS_KCONFIGS_IFS);;
 			IPV6|IPV6_FLAG|IPVER|TEST_DATA|TEST_DATA_IFS);;
 			RETRY_FUNC|RETRY_FN_EXP_BACKOFF|TIMEOUT);;
-- 
2.37.2