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path: root/fs/btrfs/Makefile
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obj-$(CONFIG_BTRFS_FS) := btrfs.o

btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \
	   file-item.o inode-item.o inode-map.o disk-io.o \
	   transaction.o inode.o file.o tree-defrag.o \
	   extent_map.o sysfs.o struct-funcs.o xattr.o ordered-data.o \
	   extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \
	   export.o tree-log.o free-space-cache.o zlib.o lzo.o \
	   compression.o delayed-ref.o relocation.o delayed-inode.o scrub.o \
	   reada.o backref.o ulist.o qgroup.o send.o dev-replace.o raid56.o \
	   uuid-tree.o props.o hash.o free-space-tree.o

btrfs-$(CONFIG_BTRFS_FS_POSIX_ACL) += acl.o
btrfs-$(CONFIG_BTRFS_FS_CHECK_INTEGRITY) += check-integrity.o

btrfs-$(CONFIG_BTRFS_FS_RUN_SANITY_TESTS) += tests/free-space-tests.o \
	tests/extent-buffer-tests.o tests/btrfs-tests.o \
	tests/extent-io-tests.o tests/inode-tests.o tests/qgroup-tests.o \
	tests/free-space-tree-tests.o
a28f03536328a42781651 /tools/testing/selftests/ftrace parent191e885a2e130e639bb0c8ee350d7047294f2ce6 (diff)
Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()
Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") added the proper mb(), but removed the test "prev_write_sz < pending_sz" when making the signal decision. As a result, the guest can signal the host unnecessarily, and then the host can throttle the guest because the host thinks the guest is buggy or malicious; finally the user running stress test can perceive intermittent freeze of the guest. This patch brings back the test, and properly handles the in-place consumption APIs used by NetVSC (see get_next_pkt_raw(), put_pkt_raw() and commit_rd_index()). Fixes: a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") Signed-off-by: Dexuan Cui <decui@microsoft.com> Reported-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Tested-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/testing/selftests/ftrace')