From: Tony Jones <tonyj@suse.de>

Subject:  btrfs: constify tracepoint arguments

References: bsc#1044912 

Patch-mainline: not yet, kernel patch not yet upstream

​

Update lttng tp to reflect patches.suse/btrfs-constify-tracepoint-arguments

​

---

 instrumentation/events/lttng-module/btrfs.h |  106 ++++++++++++++--------------

 1 file changed, 53 insertions(+), 53 deletions(-)

​

--- a/instrumentation/events/lttng-module/btrfs.h

+++ b/instrumentation/events/lttng-module/btrfs.h

@@ -34,7 +34,7 @@ struct extent_state;

 LTTNG_TRACEPOINT_EVENT(btrfs_transaction_commit,

-   TP_PROTO(struct btrfs_root *root),

+   TP_PROTO(const struct btrfs_root *root),

    TP_ARGS(root),

@@ -46,7 +46,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_transaction

 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__inode,

-   TP_PROTO(struct inode *inode),

+   TP_PROTO(const struct inode *inode),

    TP_ARGS(inode),

@@ -64,21 +64,21 @@ LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__inod

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_new,

-   TP_PROTO(struct inode *inode),

+   TP_PROTO(const struct inode *inode),

    TP_ARGS(inode)

 )

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_request,

-   TP_PROTO(struct inode *inode),

+   TP_PROTO(const struct inode *inode),

    TP_ARGS(inode)

 )

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__inode, btrfs_inode_evict,

-   TP_PROTO(struct inode *inode),

+   TP_PROTO(const struct inode *inode),

    TP_ARGS(inode)

 )

@@ -87,8 +87,8 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__i

 LTTNG_TRACEPOINT_EVENT(btrfs_get_extent,

-   TP_PROTO(struct btrfs_root *root, struct btrfs_inode *inode,

-       struct extent_map *map),

+   TP_PROTO(const struct btrfs_root *root, const struct btrfs_inode *inode,

+       const struct extent_map *map),

    TP_ARGS(root, inode, map),

@@ -178,7 +178,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_get_extent,

 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))

 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__ordered_extent,

-   TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

+   TP_PROTO(const struct inode *inode, const struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered),

@@ -221,36 +221,36 @@ LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__orde

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_add,

-   TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

+   TP_PROTO(const struct inode *inode, const struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)

 )

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_remove,

-   TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

+   TP_PROTO(const struct inode *inode, const struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)

 )

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_start,

-   TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

+   TP_PROTO(const struct inode *inode, const struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)

 )

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__ordered_extent, btrfs_ordered_extent_put,

-   TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

+   TP_PROTO(const struct inode *inode, const struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)

 )

 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__writepage,

-   TP_PROTO(struct page *page, struct inode *inode,

-        struct writeback_control *wbc),

+   TP_PROTO(const struct page *page, const struct inode *inode,

+        const struct writeback_control *wbc),

    TP_ARGS(page, inode, wbc),

@@ -280,15 +280,15 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(btrf

    btrfs__extent_writepage,

-   TP_PROTO(struct page *page, struct inode *inode,

-        struct writeback_control *wbc),

+   TP_PROTO(const struct page *page, const struct inode *inode,

+        const struct writeback_control *wbc),

    TP_ARGS(page, inode, wbc)

 )

 LTTNG_TRACEPOINT_EVENT(btrfs_writepage_end_io_hook,

-   TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),

+   TP_PROTO(const struct page *page, u64 start, u64 end, int uptodate),

    TP_ARGS(page, start, end, uptodate),

@@ -305,7 +305,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_writepage_e

 LTTNG_TRACEPOINT_EVENT(btrfs_sync_file,

-   TP_PROTO(struct file *file, int datasync),

+   TP_PROTO(const struct file *file, int datasync),

    TP_ARGS(file, datasync),

@@ -321,7 +321,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_sync_file,

 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))

 LTTNG_TRACEPOINT_EVENT(btrfs_sync_fs,

-   TP_PROTO(struct btrfs_fs_info *fs_info, int wait),

+   TP_PROTO(const struct btrfs_fs_info *fs_info, int wait),

    TP_ARGS(fs_info, wait),

@@ -344,8 +344,8 @@ LTTNG_TRACEPOINT_EVENT(btrfs_sync_fs,

 LTTNG_TRACEPOINT_EVENT(btrfs_add_block_group,

-   TP_PROTO(struct btrfs_fs_info *fs_info,

-       struct btrfs_block_group_cache *block_group, int create),

+   TP_PROTO(const struct btrfs_fs_info *fs_info,

+       const struct btrfs_block_group_cache *block_group, int create),

    TP_ARGS(fs_info, block_group, create),

@@ -363,9 +363,9 @@ LTTNG_TRACEPOINT_EVENT(btrfs_add_block_g

 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))

 LTTNG_TRACEPOINT_EVENT(btrfs_delayed_tree_ref,

-   TP_PROTO(struct btrfs_fs_info *fs_info,

-        struct btrfs_delayed_ref_node *ref,

-        struct btrfs_delayed_tree_ref *full_ref,

+   TP_PROTO(const struct btrfs_fs_info *fs_info,

+        const struct btrfs_delayed_ref_node *ref,

+        const struct btrfs_delayed_tree_ref *full_ref,

         int action),

    TP_ARGS(fs_info, ref, full_ref, action),

@@ -407,8 +407,8 @@ LTTNG_TRACEPOINT_EVENT(btrfs_delayed_tre

 LTTNG_TRACEPOINT_EVENT(btrfs_delayed_data_ref,

-   TP_PROTO(struct btrfs_delayed_ref_node *ref,

-        struct btrfs_delayed_data_ref *full_ref,

+   TP_PROTO(const struct btrfs_delayed_ref_node *ref,

+        const struct btrfs_delayed_data_ref *full_ref,

         int action),

    TP_ARGS(ref, full_ref, action),

@@ -431,9 +431,9 @@ LTTNG_TRACEPOINT_EVENT(btrfs_delayed_dat

 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))

 LTTNG_TRACEPOINT_EVENT(btrfs_delayed_ref_head,

-   TP_PROTO(struct btrfs_fs_info *fs_info,

-        struct btrfs_delayed_ref_node *ref,

-        struct btrfs_delayed_ref_head *head_ref,

+   TP_PROTO(const struct btrfs_fs_info *fs_info,

+        const struct btrfs_delayed_ref_node *ref,

+        const struct btrfs_delayed_ref_head *head_ref,

         int action),

    TP_ARGS(fs_info, ref, head_ref, action),

@@ -468,7 +468,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_delayed_ref

 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__chunk,

-   TP_PROTO(struct btrfs_fs_info *fs_info, struct map_lookup *map,

+   TP_PROTO(const struct btrfs_fs_info *fs_info, const struct map_lookup *map,

         u64 offset, u64 size),

    TP_ARGS(fs_info, map, offset, size),

@@ -485,7 +485,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__chun

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__chunk,  btrfs_chunk_alloc,

-   TP_PROTO(struct btrfs_fs_info *info, struct map_lookup *map,

+   TP_PROTO(const struct btrfs_fs_info *info, const struct map_lookup *map,

         u64 offset, u64 size),

    TP_ARGS(info, map, offset, size)

@@ -493,7 +493,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__c

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__chunk,  btrfs_chunk_free,

-   TP_PROTO(struct btrfs_fs_info *info, struct map_lookup *map,

+   TP_PROTO(const struct btrfs_fs_info *info, const struct map_lookup *map,

         u64 offset, u64 size),

    TP_ARGS(info, map, offset, size)

@@ -538,8 +538,8 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__c

 LTTNG_TRACEPOINT_EVENT(btrfs_cow_block,

-   TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,

-        struct extent_buffer *cow),

+   TP_PROTO(const struct btrfs_root *root, const struct extent_buffer *buf,

+        const struct extent_buffer *cow),

    TP_ARGS(root, buf, cow),

@@ -556,7 +556,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_cow_block,

 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))

 LTTNG_TRACEPOINT_EVENT(btrfs_space_reservation,

-   TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,

+   TP_PROTO(const struct btrfs_fs_info *fs_info, char *type, u64 val,

         u64 bytes, int reserve),

    TP_ARGS(fs_info, type, val, bytes, reserve),

@@ -575,7 +575,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_space_reser

 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserved_extent,

-   TP_PROTO(struct btrfs_fs_info *info, u64 start, u64 len),

+   TP_PROTO(const struct btrfs_fs_info *info, u64 start, u64 len),

    TP_ARGS(info, start, len),

@@ -587,14 +587,14 @@ LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__rese

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,

-   TP_PROTO(struct btrfs_fs_info *info, u64 start, u64 len),

+   TP_PROTO(const struct btrfs_fs_info *info, u64 start, u64 len),

    TP_ARGS(info, start, len)

 )

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent,  btrfs_reserved_extent_free,

-   TP_PROTO(struct btrfs_fs_info *info, u64 start, u64 len),

+   TP_PROTO(const struct btrfs_fs_info *info, u64 start, u64 len),

    TP_ARGS(info, start, len)

 )

@@ -638,7 +638,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(find_free_ext

    btrfs_find_free_extent,

-   TP_PROTO(struct btrfs_fs_info *info, u64 num_bytes, u64 empty_size,

+   TP_PROTO(const struct btrfs_fs_info *info, u64 num_bytes, u64 empty_size,

         u64 data),

    TP_ARGS(info, num_bytes, empty_size, data),

@@ -652,8 +652,8 @@ LTTNG_TRACEPOINT_EVENT_MAP(find_free_ext

 LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserve_extent,

-   TP_PROTO(struct btrfs_fs_info *info,

-        struct btrfs_block_group_cache *block_group, u64 start,

+   TP_PROTO(const struct btrfs_fs_info *info,

+        const struct btrfs_block_group_cache *block_group, u64 start,

         u64 len),

    TP_ARGS(info, block_group, start, len),

@@ -668,8 +668,8 @@ LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__rese

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent,

-   TP_PROTO(struct btrfs_fs_info *info,

-        struct btrfs_block_group_cache *block_group, u64 start,

+   TP_PROTO(const struct btrfs_fs_info *info,

+        const struct btrfs_block_group_cache *block_group, u64 start,

         u64 len),

    TP_ARGS(info, block_group, start, len)

@@ -677,8 +677,8 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__r

 LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent_cluster,

-   TP_PROTO(struct btrfs_fs_info *info,

-        struct btrfs_block_group_cache *block_group, u64 start,

+   TP_PROTO(const struct btrfs_fs_info *info,

+        const struct btrfs_block_group_cache *block_group, u64 start,

         u64 len),

    TP_ARGS(info, block_group, start, len)

@@ -742,7 +742,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__r

 LTTNG_TRACEPOINT_EVENT(btrfs_find_cluster,

-   TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,

+   TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start,

         u64 bytes, u64 empty_size, u64 min_bytes),

    TP_ARGS(block_group, start, bytes, empty_size, min_bytes),

@@ -759,7 +759,7 @@ LTTNG_TRACEPOINT_EVENT(btrfs_find_cluste

 LTTNG_TRACEPOINT_EVENT(btrfs_failed_cluster_setup,

-   TP_PROTO(struct btrfs_block_group_cache *block_group),

+   TP_PROTO(const struct btrfs_block_group_cache *block_group),

    TP_ARGS(block_group),

@@ -770,8 +770,8 @@ LTTNG_TRACEPOINT_EVENT(btrfs_failed_clus

 LTTNG_TRACEPOINT_EVENT(btrfs_setup_cluster,

-   TP_PROTO(struct btrfs_block_group_cache *block_group,

-        struct btrfs_free_cluster *cluster, u64 size, int bitmap),

+   TP_PROTO(const struct btrfs_block_group_cache *block_group,

+        const struct btrfs_free_cluster *cluster, u64 size, int bitmap),

    TP_ARGS(block_group, cluster, size, bitmap),

@@ -791,12 +791,12 @@ LTTNG_TRACEPOINT_EVENT_MAP(alloc_extent_

    btrfs_alloc_extent_state,

-   TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),

+   TP_PROTO(const struct extent_state *state, gfp_t mask, unsigned long IP),

    TP_ARGS(state, mask, IP),

    TP_FIELDS(

-       ctf_integer_hex(struct extent_state *, state, state)

+       ctf_integer_hex(const struct extent_state *, state, state)

        ctf_integer(gfp_t, mask, mask)

        ctf_integer(unsigned long, ip, IP)

    )

@@ -806,12 +806,12 @@ LTTNG_TRACEPOINT_EVENT_MAP(free_extent_s

    btrfs_free_extent_state,

-   TP_PROTO(struct extent_state *state, unsigned long IP),

+   TP_PROTO(const struct extent_state *state, unsigned long IP),

    TP_ARGS(state, IP),

    TP_FIELDS(

-       ctf_integer_hex(struct extent_state *, state, state)

+       ctf_integer_hex(const struct extent_state *, state, state)

        ctf_integer(unsigned long, ip, IP)

    )

 )

​