btrfs: use BTRFS_FSID_SIZE for fsid

We have define for FSID size so use it.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 1e4908d..dc1d0df 100644 (file)
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -74,11 +74,11 @@ struct prelim_ref;
        { BTRFS_BLOCK_GROUP_RAID5,      "RAID5"},       \
        { BTRFS_BLOCK_GROUP_RAID6,      "RAID6"}
 
-#define BTRFS_UUID_SIZE 16
-#define TP_STRUCT__entry_fsid __array(u8, fsid, BTRFS_UUID_SIZE)
+#define BTRFS_FSID_SIZE 16
+#define TP_STRUCT__entry_fsid __array(u8, fsid, BTRFS_FSID_SIZE)
 
 #define TP_fast_assign_fsid(fs_info)                                   \
-       memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE)
+       memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE)
 
 #define TP_STRUCT__entry_btrfs(args...)                                        \
        TP_STRUCT__entry(                                               \
@@ -618,7 +618,7 @@ TRACE_EVENT(btrfs_add_block_group,
        TP_ARGS(fs_info, block_group, create),
 
        TP_STRUCT__entry(
-               __array(        u8,     fsid,   BTRFS_UUID_SIZE )
+               __array(        u8,     fsid,   BTRFS_FSID_SIZE )
                __field(        u64,    offset                  )
                __field(        u64,    size                    )
                __field(        u64,    flags                   )
@@ -628,7 +628,7 @@ TRACE_EVENT(btrfs_add_block_group,
        ),
 
        TP_fast_assign(
-               memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
+               memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE);
                __entry->offset         = block_group->key.objectid;
                __entry->size           = block_group->key.offset;
                __entry->flags          = block_group->flags;
@@ -975,7 +975,7 @@ TRACE_EVENT(btrfs_trigger_flush,
        TP_ARGS(fs_info, flags, bytes, flush, reason),
 
        TP_STRUCT__entry(
-               __array(        u8,     fsid,   BTRFS_UUID_SIZE )
+               __array(        u8,     fsid,   BTRFS_FSID_SIZE )
                __field(        u64,    flags                   )
                __field(        u64,    bytes                   )
                __field(        int,    flush                   )
@@ -983,7 +983,7 @@ TRACE_EVENT(btrfs_trigger_flush,
        ),
 
        TP_fast_assign(
-               memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
+               memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE);
                __entry->flags  = flags;
                __entry->bytes  = bytes;
                __entry->flush  = flush;
@@ -1016,7 +1016,7 @@ TRACE_EVENT(btrfs_flush_space,
        TP_ARGS(fs_info, flags, num_bytes, state, ret),
 
        TP_STRUCT__entry(
-               __array(        u8,     fsid,   BTRFS_UUID_SIZE )
+               __array(        u8,     fsid,   BTRFS_FSID_SIZE )
                __field(        u64,    flags                   )
                __field(        u64,    num_bytes               )
                __field(        int,    state                   )
@@ -1024,7 +1024,7 @@ TRACE_EVENT(btrfs_flush_space,
        ),
 
        TP_fast_assign(
-               memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
+               memcpy(__entry->fsid, fs_info->fsid, BTRFS_FSID_SIZE);
                __entry->flags          =       flags;
                __entry->num_bytes      =       num_bytes;
                __entry->state          =       state;