fstests: ext4: Add fast_commit related tests

new file mode 100755
index 00000000..588e8af8
@@ -0,0 +1,101 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2022 IBM Corporation.  All Rights Reserved.
+#
+# FS QA Test 056
+#
+# regression testing to test kernel crash with fast_commit feature.
+# (based on example from tests/generic/468)
+# commit: https://patchwork.ozlabs.org/patch/1586856
+#
+
+. ./common/preamble
+_begin_fstest auto quick log
+
+# Override the default cleanup function.
+_cleanup()
+{
+   cd /
+   rm -r -f $tmp.*
+   _scratch_unmount > /dev/null 2>&1
+}
+
+# Import common functions.
+. ./common/filter
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs ext4
+_require_scratch
+_require_scratch_shutdown
+_require_scratch_ext4_feature "fast_commit"
+
+testfile1=$SCRATCH_MNT/testfile1
+testfile2=$SCRATCH_MNT/testfile2
+blocksize=4096
+
+$MKFS_EXT4_PROG -F -b $blocksize -O fast_commit $SCRATCH_DEV 5G >> $seqres.full 2>&1 ||
+	_notrun "Require 5G disk space"
+
+_scratch_mount >> $seqres.full 2>&1
+
+check_stat_before_after()
+{
+	before="$1"
+	after="$2"
+
+	if [ "$before" != "$after" ]; then
+		echo "Before: $before"
+		echo "After : $after"
+	fi
+	echo "Before: $before" >> $seqres.full
+	echo "After : $after" >> $seqres.full
+}
+
+#
+# Idea is to create a file of 5M & write 5M of data followed by fsync.
+# Then falloc extra blocks (with -k) such that the blocks extend the block group
+# boundary considerably, followed by fsync, followed by shutdown.
+# This will trigger fast_commit recovery and will help test kernel crash w/o
+# fix.
+#
+fact=10
+echo "Test-1: fsync shutdown recovery test"
+$XFS_IO_PROG -f -c "truncate $((5*1024*1024))" \
+			-c "pwrite 0 $((5*1024*1024))" \
+			-c "fsync"  \
+			-c "falloc -k $((5*1024*1024)) $((32768*$blocksize*$fact))" \
+			$testfile1 >> $seqres.full 2>&1
+
+stat_opt='-c "b: %b s: %s a: %x m: %y c: %z"'
+before=$(stat "$stat_opt" "$testfile1")
+
+$XFS_IO_PROG -c "fsync" $testfile1
+_scratch_shutdown -v >> $seqres.full 2>&1
+_scratch_cycle_mount >> $seqres.full 2>&1
+
+after=$(stat "$stat_opt" $testfile1)
+
+check_stat_before_after "$before" "$after"
+
+echo "Test-2: fdatasync shutdown recovery test"
+$XFS_IO_PROG -f -c "truncate $((5*1024*1024))" \
+			-c "pwrite 0 $((5*1024*1024))" \
+			-c "fsync"  \
+			-c "falloc -k $((5*1024*1024)) $((32768*$blocksize*$fact))" \
+			$testfile2 >> $seqres.full 2>&1
+
+stat_opt='-c "b: %b s: %s"'
+before=$(stat "$stat_opt" $testfile2)
+
+$XFS_IO_PROG -c "fdatasync" $testfile2
+_scratch_shutdown -v >> $seqres.full 2>&1
+_scratch_cycle_mount >> $seqres.full 2>&1
+
+after=$(stat "$stat_opt" "$testfile2")
+check_stat_before_after "$before" "$after"
+
+# success, all done
+status=0
+exit

new file mode 100644
index 00000000..0a793a4c
@@ -0,0 +1,3 @@
+QA output created by 056
+Test-1: fsync shutdown recovery test
+Test-2: fdatasync shutdown recovery test

index b6b8a0b9..f99e21ad 100644
@@ -109,6 +109,7 @@ _filter_fiemap()
 
 _filter_fiemap_flags()
 {
+	block_size=$1
 	$AWK_PROG '
 		$3 ~ /hole/ {
 			print $1, $2, $3;

@@ -135,23 +136,24 @@ _filter_fiemap_flags()
 			}
 			print $1, $2, flag_str
 		}' |
-	_coalesce_extents
+	_coalesce_extents $block_size
 }
 
-# Filters fiemap output to only print the 
+# Filters fiemap output to only print the
 # file offset column and whether or not
 # it is an extent or a hole
 _filter_hole_fiemap()
 {
+	block_size=$1
 	$AWK_PROG '
 		$3 ~ /hole/ {
-			print $1, $2, $3; 
+			print $1, $2, $3;
 			next;
-		}   
+		}
 		$5 ~ /0x[[:xdigit:]]+/ {
 			print $1, $2, "extent";
 		}' |
-	_coalesce_extents
+	_coalesce_extents $block_size
 }
 
 #     10000 Unwritten preallocated extent

new file mode 100755
index 00000000..9d008b65
@@ -0,0 +1,62 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2022 IBM.  All Rights Reserved.
+#
+# FS QA Test 057
+#
+# Test for ext4 fast_commit crash recovery test fixed by below kernel commit.
+#
+# commit 5e4d0eba1ccaf19f
+# ext4: fix fast commit may miss tracking range for FALLOC_FL_ZERO_RANGE
+#
+. ./common/preamble
+_begin_fstest auto quick log shutdown
+
+# Override the default cleanup function.
+_cleanup()
+{
+	cd /
+	rm -r -f $tmp.*
+}
+
+# Import common functions.
+. ./common/filter
+. ./common/punch
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs ext4
+_require_scratch
+_require_scratch_ext4_feature "fast_commit"
+
+t1=$SCRATCH_MNT/t1
+
+$MKFS_EXT4_PROG -F -O 64bit,fast_commit $SCRATCH_DEV 512m >> $seqres.full 2>&1
+_scratch_mount >> $seqres.full 2>&1
+
+bs=$(_get_block_size $SCRATCH_MNT)
+
+# create and write data to t1
+$XFS_IO_PROG -f -c "pwrite 0 $((100*$bs))" $t1 | _filter_xfs_io
+
+# fsync t1
+$XFS_IO_PROG -c "fsync" $t1
+
+# fzero certain range in between
+$XFS_IO_PROG -c "fzero -k  $((40*$bs)) $((20*$bs))" $t1 | _filter_xfs_io
+
+# fsync t1
+$XFS_IO_PROG -c "fsync" $t1
+
+# shutdown FS now for replay of FC to kick in next mount
+_scratch_shutdown -v >> $seqres.full 2>&1
+
+_scratch_cycle_mount
+
+# check fiemap reported is valid or not
+$XFS_IO_PROG -c "fiemap -v" $t1 | _filter_fiemap_flags $bs
+
+# success, all done
+status=0
+exit

new file mode 100644
index 00000000..fc905de6
@@ -0,0 +1,6 @@
+QA output created by 057
+wrote 409600/409600 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+0: [0..39]: none
+1: [40..59]: unwritten
+2: [60..99]: nonelast

new file mode 100755
index 00000000..4d70f483
@@ -0,0 +1,66 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2022 IBM.  All Rights Reserved.
+#
+# FS QA Test 058
+#
+# Tests fast_commit feature of ext4 as fixed in below commit
+# 0b5b5a62b945a141: ext4: use ext4_ext_remove_space() for fast commit replay delete range
+# (Based on test case shared by Xin Yin <[email protected]>)
+#
+. ./common/preamble
+_begin_fstest auto shutdown quick log recoveryloop
+
+# Override the default cleanup function.
+_cleanup()
+{
+	cd /
+	rm -r -f $tmp.*
+   _scratch_unmount > /dev/null 2>&1
+}
+
+# Import common functions.
+. ./common/filter
+. ./common/punch
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs ext4
+_require_scratch
+_require_scratch_ext4_feature "fast_commit"
+
+t1=$SCRATCH_MNT/foo
+t2=$SCRATCH_MNT/bar
+
+$MKFS_EXT4_PROG -F -O 64bit,fast_commit $SCRATCH_DEV 512m >> $seqres.full 2>&1
+_scratch_mount >> $seqres.full 2>&1
+
+bs=$(_get_block_size $SCRATCH_MNT)
+
+# create and write data to t1
+$XFS_IO_PROG -f -c "pwrite 0 $((100*$bs))" $t1 | _filter_xfs_io
+
+# fzero certain range in between with -k
+$XFS_IO_PROG -c "fzero -k  $((40*$bs)) $((20*$bs))" $t1 | _filter_xfs_io
+
+# create and fsync a new file t2
+$XFS_IO_PROG -f -c "fsync" $t2
+
+# fpunch within the i_size of a file
+$XFS_IO_PROG -c "fpunch $((30*$bs)) $((20*$bs))" $t1
+
+# fsync t1 to trigger fast_commit operation
+$XFS_IO_PROG -c "fsync" $t1
+
+# shutdown FS now for replay of FC to kick in next mount
+_scratch_shutdown -v >> $seqres.full 2>&1
+
+_scratch_cycle_mount
+
+# check fiemap reported is valid or not
+$XFS_IO_PROG -c "fiemap -v" $t1 | _filter_fiemap_flags $bs
+
+# success, all done
+status=0
+exit

new file mode 100644
index 00000000..98359e01
@@ -0,0 +1,7 @@
+QA output created by 058
+wrote 409600/409600 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+0: [0..29]: none
+1: [30..49]: hole
+2: [50..59]: unwritten
+3: [60..99]: nonelast