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authorHe Zhe <zhe.he@windriver.com>2018-07-10 18:03:42 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-07-18 10:09:29 +0100
commitc1daa5c0b89cdfab15d2fa093b021b2ce0937dad (patch)
tree3b8ee7151cc13df65dc4bc5fb990f36d69acd02f /meta/recipes-kernel
parenta6fd20fc57da3e1910e775f5994bd71bf79934ea (diff)
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lttng-modules: Fix do_compile failure for btrfs related tracepoints
Building lttng-modules with linux-yocto-dev will cause do_compile failure: lttng-modules/2.10.6-r0/lttng-modules-2.10.6/probes/../probes/lttng-tracepoint-event-impl.h:143:6: error: conflicting types for 'trace_btrfs_reserve_extent' void trace_##_name(_proto); ^~~~~~ The following commit from latest mainline kernel changes some btrfs functions' prototype. 3dca5c942dac60164e6a6e89172f25b86af07ce7 "btrfs: trace: Remove unnecessary fs_info parameter for btrfs__reserve_extent event class" This patch backports a commit from upstream to meet the above changes. 51ab0b1da29354375a19f865abcd233dd2178295 "Fix: btrfs: Remove unnecessary fs_info parameter" Signed-off-by: He Zhe <zhe.he@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-kernel')
-rw-r--r--meta/recipes-kernel/lttng/lttng-modules/0001-Fix-btrfs-Remove-unnecessary-fs_info-parameter.patch116
-rw-r--r--meta/recipes-kernel/lttng/lttng-modules_2.10.6.bb1
2 files changed, 117 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-btrfs-Remove-unnecessary-fs_info-parameter.patch b/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-btrfs-Remove-unnecessary-fs_info-parameter.patch
new file mode 100644
index 0000000000..0fe4ee8294
--- /dev/null
+++ b/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-btrfs-Remove-unnecessary-fs_info-parameter.patch
@@ -0,0 +1,116 @@
+From 51ab0b1da29354375a19f865abcd233dd2178295 Mon Sep 17 00:00:00 2001
+From: Michael Jeanson <mjeanson@efficios.com>
+Date: Mon, 18 Jun 2018 14:53:19 -0400
+Subject: [PATCH] Fix: btrfs: Remove unnecessary fs_info parameter
+
+See upstream commit:
+
+ commit 3dca5c942dac60164e6a6e89172f25b86af07ce7
+ Author: Qu Wenruo <wqu@suse.com>
+ Date: Thu Apr 26 14:24:25 2018 +0800
+
+ btrfs: trace: Remove unnecessary fs_info parameter for btrfs__reserve_extent event class
+
+ fs_info can be extracted from btrfs_block_group_cache, and all
+ btrfs_block_group_cache is created by btrfs_create_block_group_cache()
+ with fs_info initialized, no need to worry about NULL pointer
+ dereference.
+
+Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
+Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+Upstream-Status: Backport
+Signed-off-by: He Zhe <zhe.he@windriver.com>
+---
+ instrumentation/events/lttng-module/btrfs.h | 54 ++++++++++++++++++++++++++++-
+ 1 file changed, 53 insertions(+), 1 deletion(-)
+
+diff --git a/instrumentation/events/lttng-module/btrfs.h b/instrumentation/events/lttng-module/btrfs.h
+index 75cc73b..fd1b6b8 100644
+--- a/instrumentation/events/lttng-module/btrfs.h
++++ b/instrumentation/events/lttng-module/btrfs.h
+@@ -1658,8 +1658,57 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent, btrfs_reserved_extent_f
+
+ #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+
+-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,18,0))
++LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
++
++ btrfs_find_free_extent,
++
++ TP_PROTO(const struct btrfs_fs_info *info, u64 num_bytes, u64 empty_size,
++ u64 data),
++
++ TP_ARGS(info, num_bytes, empty_size, data),
++
++ TP_FIELDS(
++ ctf_array(u8, fsid, info->fsid, BTRFS_UUID_SIZE)
++ ctf_integer(u64, num_bytes, num_bytes)
++ ctf_integer(u64, empty_size, empty_size)
++ ctf_integer(u64, data, data)
++ )
++)
++
++LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserve_extent,
++
++ TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
++ u64 len),
++
++ TP_ARGS(block_group, start, len),
++
++ TP_FIELDS(
++ ctf_array(u8, fsid, block_group->fs_info->fsid, BTRFS_UUID_SIZE)
++ ctf_integer(u64, bg_objectid, block_group->key.objectid)
++ ctf_integer(u64, flags, block_group->flags)
++ ctf_integer(u64, start, start)
++ ctf_integer(u64, len, len)
++ )
++)
++
++LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent,
++
++ TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
++ u64 len),
++
++ TP_ARGS(block_group, start, len)
++)
++
++LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
++
++ TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,
++ u64 len),
++
++ TP_ARGS(block_group, start, len)
++)
+
++#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+ LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
+
+ btrfs_find_free_extent,
+@@ -1670,6 +1719,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
+ TP_ARGS(info, num_bytes, empty_size, data),
+
+ TP_FIELDS(
++ ctf_array(u8, fsid, info->fsid, BTRFS_UUID_SIZE)
+ ctf_integer(u64, num_bytes, num_bytes)
+ ctf_integer(u64, empty_size, empty_size)
+ ctf_integer(u64, data, data)
+@@ -1685,6 +1735,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserve_extent,
+ TP_ARGS(info, block_group, start, len),
+
+ TP_FIELDS(
++ ctf_array(u8, fsid, info->fsid, BTRFS_UUID_SIZE)
+ ctf_integer(u64, bg_objectid, block_group->key.objectid)
+ ctf_integer(u64, flags, block_group->flags)
+ ctf_integer(u64, start, start)
+@@ -1722,6 +1773,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
+ TP_ARGS(info, num_bytes, empty_size, data),
+
+ TP_FIELDS(
++ ctf_array(u8, fsid, info->fsid, BTRFS_UUID_SIZE)
+ ctf_integer(u64, num_bytes, num_bytes)
+ ctf_integer(u64, empty_size, empty_size)
+ ctf_integer(u64, data, data)
+--
+2.13.3
+
diff --git a/meta/recipes-kernel/lttng/lttng-modules_2.10.6.bb b/meta/recipes-kernel/lttng/lttng-modules_2.10.6.bb
index 6146966894..d9d5588f9a 100644
--- a/meta/recipes-kernel/lttng/lttng-modules_2.10.6.bb
+++ b/meta/recipes-kernel/lttng/lttng-modules_2.10.6.bb
@@ -14,6 +14,7 @@ COMPATIBLE_HOST = '(x86_64|i.86|powerpc|aarch64|mips|nios2|arm).*-linux'
SRC_URI = "https://lttng.org/files/${BPN}/${BPN}-${PV}.tar.bz2 \
file://Makefile-Do-not-fail-if-CONFIG_TRACEPOINTS-is-not-en.patch \
file://BUILD_RUNTIME_BUG_ON-vs-gcc7.patch \
+ file://0001-Fix-btrfs-Remove-unnecessary-fs_info-parameter.patch \
"
SRC_URI[md5sum] = "8110099f4615fc89a74ffe9189b56cfc"