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-rw-r--r--qa/rbd/krbd_discard.t398
1 files changed, 398 insertions, 0 deletions
diff --git a/qa/rbd/krbd_discard.t b/qa/rbd/krbd_discard.t
new file mode 100644
index 00000000..99f7261f
--- /dev/null
+++ b/qa/rbd/krbd_discard.t
@@ -0,0 +1,398 @@
+
+ $ rbd create --size 4M img
+ $ DEV=$(sudo rbd map img)
+
+Zero, < 1 block:
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 156672 -l 512 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131584 -l 64512 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131584 -l 65024 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131072 -l 65024 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+Zero, 1 block:
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131072 -l 65536 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0030000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131072 -l 66048 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0030000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 130560 -l 66048 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0030000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 130560 -l 66560 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0030000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+Zero, < 2 blocks:
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 163840 -l 65536 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131584 -l 130048 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131584 -l 130560 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0030000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0040000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131072 -l 130560 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0030000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+Zero, 2 blocks:
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131072 -l 131072 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0040000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 131072 -l 131584 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0040000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 130560 -l 131584 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0040000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 130560 -l 132096 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0020000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0040000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+Zero, 37 blocks:
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 589824 -l 2424832 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0090000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 02e0000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 589312 -l 2424832 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0090000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 02d0000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 590336 -l 2424832 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 00a0000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 02e0000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+Truncate:
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 4193792 -l 512 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 4129280 -l 65024 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 4128768 -l 65536 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 03f0000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 4128256 -l 66048 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 03f0000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 4063744 -l 130560 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 03f0000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 4063232 -l 131072 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 03e0000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 4062720 -l 131584 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 03e0000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 512 -l 4193792 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0010000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+Delete:
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 0 -l 4194304 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+Empty clone:
+
+ $ xfs_io -c 'pwrite -S 0xab -w 0 4M' $DEV >/dev/null
+ $ sudo rbd unmap $DEV
+ $ rbd snap create img@snap
+ $ rbd snap protect img@snap
+
+ $ rbd clone img@snap cloneimg1
+ $ DEV=$(sudo rbd map cloneimg1)
+ $ blkdiscard -o 720896 -l 2719744 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 abab abab abab abab abab abab abab abab
+ *
+ 0400000
+ $ sudo rbd unmap $DEV
+
+ $ rbd clone img@snap cloneimg2
+ $ DEV=$(sudo rbd map cloneimg2)
+ $ blkdiscard -o 1474560 -l 2719744 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 abab abab abab abab abab abab abab abab
+ *
+ 0400000
+ $ sudo rbd unmap $DEV
+
+ $ rbd clone img@snap cloneimg3
+ $ DEV=$(sudo rbd map cloneimg3)
+ $ blkdiscard -o 0 -l 4194304 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 abab abab abab abab abab abab abab abab
+ *
+ 0400000
+ $ sudo rbd unmap $DEV
+
+Full clone:
+
+ $ rbd clone img@snap cloneimg4
+ $ DEV=$(sudo rbd map cloneimg4)
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 720896 -l 2719744 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 00b0000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0340000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 1474560 -l 2719744 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0170000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+ $ xfs_io -c 'pwrite -w 0 4M' $DEV >/dev/null
+ $ blkdiscard -o 0 -l 4194304 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0400000
+
+ $ sudo rbd unmap $DEV
+
+Multiple object requests:
+
+ $ rbd create --size 50M --stripe-unit 16K --stripe-count 5 fancyimg
+ $ DEV=$(sudo rbd map fancyimg)
+
+ $ xfs_io -c 'pwrite -b 4M -w 0 50M' $DEV >/dev/null
+ $ blkdiscard -o 0 -l 143360 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 3200000
+
+ $ xfs_io -c 'pwrite -b 4M -w 0 50M' $DEV >/dev/null
+ $ blkdiscard -o 0 -l 286720 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0008000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0014000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 001c000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 0028000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0030000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 003c000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0044000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 3200000
+
+ $ xfs_io -c 'pwrite -b 4M -w 0 50M' $DEV >/dev/null
+ $ blkdiscard -o 0 -l 573440 $DEV
+ $ dd if=$DEV iflag=direct bs=4M status=none | hexdump
+ 0000000 0000 0000 0000 0000 0000 0000 0000 0000
+ *
+ 0050000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
+ *
+ 3200000
+
+ $ sudo rbd unmap $DEV
+
+ $ rbd rm --no-progress fancyimg
+ $ rbd rm --no-progress cloneimg4
+ $ rbd rm --no-progress cloneimg3
+ $ rbd rm --no-progress cloneimg2
+ $ rbd rm --no-progress cloneimg1
+ $ rbd snap unprotect img@snap
+ $ rbd snap rm --no-progress img@snap
+ $ rbd rm --no-progress img
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 10:21:16 +0000