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btrfs: tracepoints: constify all pointers

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We don't modify the data passed to tracepoints, some of the declarations
are already const, add it to the rest.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-10-17 13:28:57 +02:00
parent 94c3f6c6b8
commit 1d2e7c7c3e
1 changed files with 26 additions and 26 deletions
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52
include/trace/events/btrfs.h
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@ -292,7 +292,7 @@ TRACE_EVENT_CONDITION(btrfs_get_extent,
TRACE_EVENT(btrfs_handle_em_exist,
TP_PROTO(struct btrfs_fs_info *fs_info,
TP_PROTO(const struct btrfs_fs_info *fs_info,
const struct extent_map *existing, const struct extent_map *map,
u64 start, u64 len),
@ -330,8 +330,8 @@ TRACE_EVENT(btrfs_handle_em_exist,
/* file extent item */
DECLARE_EVENT_CLASS(btrfs__file_extent_item_regular,
TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
struct btrfs_file_extent_item *fi, u64 start),
TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
const struct btrfs_file_extent_item *fi, u64 start),
TP_ARGS(bi, l, fi, start),
@ -385,8 +385,8 @@ DECLARE_EVENT_CLASS(btrfs__file_extent_item_regular,
DECLARE_EVENT_CLASS(
btrfs__file_extent_item_inline,
TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
struct btrfs_file_extent_item *fi, int slot, u64 start),
TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
const struct btrfs_file_extent_item *fi, int slot, u64 start),
TP_ARGS(bi, l, fi, slot, start),
@ -426,8 +426,8 @@ DECLARE_EVENT_CLASS(
DEFINE_EVENT(
btrfs__file_extent_item_regular, btrfs_get_extent_show_fi_regular,
TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
struct btrfs_file_extent_item *fi, u64 start),
TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
const struct btrfs_file_extent_item *fi, u64 start),
TP_ARGS(bi, l, fi, start)
);
@ -435,8 +435,8 @@ DEFINE_EVENT(
DEFINE_EVENT(
btrfs__file_extent_item_regular, btrfs_truncate_show_fi_regular,
TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
struct btrfs_file_extent_item *fi, u64 start),
TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
const struct btrfs_file_extent_item *fi, u64 start),
TP_ARGS(bi, l, fi, start)
);
@ -444,8 +444,8 @@ DEFINE_EVENT(
DEFINE_EVENT(
btrfs__file_extent_item_inline, btrfs_get_extent_show_fi_inline,
TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
struct btrfs_file_extent_item *fi, int slot, u64 start),
TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
const struct btrfs_file_extent_item *fi, int slot, u64 start),
TP_ARGS(bi, l, fi, slot, start)
);
@ -453,8 +453,8 @@ DEFINE_EVENT(
DEFINE_EVENT(
btrfs__file_extent_item_inline, btrfs_truncate_show_fi_inline,
TP_PROTO(struct btrfs_inode *bi, struct extent_buffer *l,
struct btrfs_file_extent_item *fi, int slot, u64 start),
TP_PROTO(const struct btrfs_inode *bi, const struct extent_buffer *l,
const struct btrfs_file_extent_item *fi, int slot, u64 start),
TP_ARGS(bi, l, fi, slot, start)
);
@ -1018,7 +1018,7 @@ TRACE_EVENT(btrfs_cow_block,
TRACE_EVENT(btrfs_space_reservation,
TP_PROTO(const struct btrfs_fs_info *fs_info, char *type, u64 val,
TP_PROTO(const struct btrfs_fs_info *fs_info, const char *type, u64 val,
u64 bytes, int reserve),
TP_ARGS(fs_info, type, val, bytes, reserve),
@ -1051,7 +1051,7 @@ TRACE_EVENT(btrfs_space_reservation,
TRACE_EVENT(btrfs_trigger_flush,
TP_PROTO(const struct btrfs_fs_info *fs_info, u64 flags, u64 bytes,
int flush, char *reason),
int flush, const char *reason),
TP_ARGS(fs_info, flags, bytes, flush, reason),
@ -1642,7 +1642,7 @@ TRACE_EVENT(btrfs_qgroup_account_extent,
TRACE_EVENT(qgroup_update_counters,
TP_PROTO(const struct btrfs_fs_info *fs_info,
struct btrfs_qgroup *qgroup,
const struct btrfs_qgroup *qgroup,
u64 cur_old_count, u64 cur_new_count),
TP_ARGS(fs_info, qgroup, cur_old_count, cur_new_count),
@ -1823,7 +1823,7 @@ DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_insert,
);
TRACE_EVENT(btrfs_inode_mod_outstanding_extents,
TP_PROTO(struct btrfs_root *root, u64 ino, int mod),
TP_PROTO(const struct btrfs_root *root, u64 ino, int mod),
TP_ARGS(root, ino, mod),
@ -1904,7 +1904,7 @@ TRACE_EVENT(btrfs_set_extent_bit,
TP_fast_assign_btrfs(tree->fs_info,
__entry->owner = tree->owner;
if (tree->private_data) {
struct inode *inode = tree->private_data;
const struct inode *inode = tree->private_data;
__entry->ino = btrfs_ino(BTRFS_I(inode));
__entry->rootid =
@ -1943,7 +1943,7 @@ TRACE_EVENT(btrfs_clear_extent_bit,
TP_fast_assign_btrfs(tree->fs_info,
__entry->owner = tree->owner;
if (tree->private_data) {
struct inode *inode = tree->private_data;
const struct inode *inode = tree->private_data;
__entry->ino = btrfs_ino(BTRFS_I(inode));
__entry->rootid =
@ -1983,7 +1983,7 @@ TRACE_EVENT(btrfs_convert_extent_bit,
TP_fast_assign_btrfs(tree->fs_info,
__entry->owner = tree->owner;
if (tree->private_data) {
struct inode *inode = tree->private_data;
const struct inode *inode = tree->private_data;
__entry->ino = btrfs_ino(BTRFS_I(inode));
__entry->rootid =
@ -2092,8 +2092,8 @@ DEFINE_BTRFS_LOCK_EVENT(btrfs_tree_read_lock_atomic);
DECLARE_EVENT_CLASS(btrfs__space_info_update,
TP_PROTO(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *sinfo, u64 old, s64 diff),
TP_PROTO(const struct btrfs_fs_info *fs_info,
const struct btrfs_space_info *sinfo, u64 old, s64 diff),
TP_ARGS(fs_info, sinfo, old, diff),
@ -2115,16 +2115,16 @@ DECLARE_EVENT_CLASS(btrfs__space_info_update,
DEFINE_EVENT(btrfs__space_info_update, update_bytes_may_use,
TP_PROTO(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *sinfo, u64 old, s64 diff),
TP_PROTO(const struct btrfs_fs_info *fs_info,
const struct btrfs_space_info *sinfo, u64 old, s64 diff),
TP_ARGS(fs_info, sinfo, old, diff)
);
DEFINE_EVENT(btrfs__space_info_update, update_bytes_pinned,
TP_PROTO(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *sinfo, u64 old, s64 diff),
TP_PROTO(const struct btrfs_fs_info *fs_info,
const struct btrfs_space_info *sinfo, u64 old, s64 diff),
TP_ARGS(fs_info, sinfo, old, diff)
);