1 files changed, 168 insertions, 58 deletions

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index d0b6cd3afb2f..01e9e0076a92 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -306,7 +306,6 @@ TRACE_EVENT(ext4_da_writepages_result,
                 __field(        int,    pages_written           )
                 __field(        long,   pages_skipped           )
                 __field(        char,   more_io                 )       
-                __field(        char,   no_nrwrite_index_update )
                 __field(       pgoff_t, writeback_index         )
         ),
 
@@ -317,16 +316,14 @@ TRACE_EVENT(ext4_da_writepages_result,
                 __entry->pages_written  = pages_written;
                 __entry->pages_skipped  = wbc->pages_skipped;
                 __entry->more_io        = wbc->more_io;
-                __entry->no_nrwrite_index_update = wbc->no_nrwrite_index_update;
                 __entry->writeback_index = inode->i_mapping->writeback_index;
         ),
 
-        TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld more_io %d no_nrwrite_index_update %d writeback_index %lu",
+        TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld more_io %d writeback_index %lu",
                   jbd2_dev_to_name(__entry->dev),
                   (unsigned long) __entry->ino, __entry->ret,
                   __entry->pages_written, __entry->pages_skipped,
                   __entry->more_io,
-                  __entry->no_nrwrite_index_update,
                   (unsigned long) __entry->writeback_index)
 );
 
@@ -353,7 +350,7 @@ TRACE_EVENT(ext4_discard_blocks,
                   jbd2_dev_to_name(__entry->dev), __entry->blk, __entry->count)
 );
 
-TRACE_EVENT(ext4_mb_new_inode_pa,
+DECLARE_EVENT_CLASS(ext4__mb_new_pa,
         TP_PROTO(struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa),
 
@@ -381,40 +378,29 @@ TRACE_EVENT(ext4_mb_new_inode_pa,
                   __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
 );
 
-TRACE_EVENT(ext4_mb_new_group_pa,
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa,
+
         TP_PROTO(struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa),
 
-        TP_ARGS(ac, pa),
-
-        TP_STRUCT__entry(
-                __field(        dev_t,  dev                     )
-                __field(        ino_t,  ino                     )
-                __field(        __u64,  pa_pstart               )
-                __field(        __u32,  pa_len                  )
-                __field(        __u64,  pa_lstart               )
+        TP_ARGS(ac, pa)
+);
 
-        ),
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
 
-        TP_fast_assign(
-                __entry->dev            = ac->ac_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
-                __entry->pa_pstart      = pa->pa_pstart;
-                __entry->pa_len         = pa->pa_len;
-                __entry->pa_lstart      = pa->pa_lstart;
-        ),
+        TP_PROTO(struct ext4_allocation_context *ac,
+                 struct ext4_prealloc_space *pa),
 
-        TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
-                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-                  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
+        TP_ARGS(ac, pa)
 );
 
 TRACE_EVENT(ext4_mb_release_inode_pa,
-        TP_PROTO(struct ext4_allocation_context *ac,
+        TP_PROTO(struct super_block *sb,
+                 struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa,
                  unsigned long long block, unsigned int count),
 
-        TP_ARGS(ac, pa, block, count),
+        TP_ARGS(sb, ac, pa, block, count),
 
         TP_STRUCT__entry(
                 __field(        dev_t,  dev                     )
@@ -425,8 +411,9 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
         ),
 
         TP_fast_assign(
-                __entry->dev            = ac->ac_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
+                __entry->dev            = sb->s_dev;
+                __entry->ino            = (ac && ac->ac_inode) ? 
+                                                ac->ac_inode->i_ino : 0;
                 __entry->block          = block;
                 __entry->count          = count;
         ),
@@ -437,10 +424,11 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
 );
 
 TRACE_EVENT(ext4_mb_release_group_pa,
-        TP_PROTO(struct ext4_allocation_context *ac,
+        TP_PROTO(struct super_block *sb,
+                 struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa),
 
-        TP_ARGS(ac, pa),
+        TP_ARGS(sb, ac, pa),
 
         TP_STRUCT__entry(
                 __field(        dev_t,  dev                     )
@@ -451,8 +439,9 @@ TRACE_EVENT(ext4_mb_release_group_pa,
         ),
 
         TP_fast_assign(
-                __entry->dev            = ac->ac_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
+                __entry->dev            = sb->s_dev;
+                __entry->ino            = (ac && ac->ac_inode) ?
+                                                ac->ac_inode->i_ino : 0;
                 __entry->pa_pstart      = pa->pa_pstart;
                 __entry->pa_len         = pa->pa_len;
         ),
@@ -618,9 +607,9 @@ TRACE_EVENT(ext4_free_blocks,
 );
 
 TRACE_EVENT(ext4_sync_file,
-        TP_PROTO(struct file *file, struct dentry *dentry, int datasync),
+        TP_PROTO(struct file *file, int datasync),
 
-        TP_ARGS(file, dentry, datasync),
+        TP_ARGS(file, datasync),
 
         TP_STRUCT__entry(
                 __field(        dev_t,  dev                     )
@@ -630,6 +619,8 @@ TRACE_EVENT(ext4_sync_file,
         ),
 
         TP_fast_assign(
+                struct dentry *dentry = file->f_path.dentry;
+
                 __entry->dev            = dentry->d_inode->i_sb->s_dev;
                 __entry->ino            = dentry->d_inode->i_ino;
                 __entry->datasync       = datasync;
@@ -790,7 +781,7 @@ TRACE_EVENT(ext4_mballoc_prealloc,
                   __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_discard,
+DECLARE_EVENT_CLASS(ext4__mballoc,
         TP_PROTO(struct ext4_allocation_context *ac),
 
         TP_ARGS(ac),
@@ -819,33 +810,18 @@ TRACE_EVENT(ext4_mballoc_discard,
                   __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_free,
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_discard,
+
         TP_PROTO(struct ext4_allocation_context *ac),
 
-        TP_ARGS(ac),
+        TP_ARGS(ac)
+);
 
-        TP_STRUCT__entry(
-                __field(        dev_t,  dev                     )
-                __field(        ino_t,  ino                     )
-                __field(        __u32,  result_logical          )
-                __field(          int,  result_start            )
-                __field(        __u32,  result_group            )
-                __field(          int,  result_len              )
-        ),
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_free,
 
-        TP_fast_assign(
-                __entry->dev            = ac->ac_inode->i_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
-                __entry->result_logical = ac->ac_b_ex.fe_logical;
-                __entry->result_start   = ac->ac_b_ex.fe_start;
-                __entry->result_group   = ac->ac_b_ex.fe_group;
-                __entry->result_len     = ac->ac_b_ex.fe_len;
-        ),
+        TP_PROTO(struct ext4_allocation_context *ac),
 
-        TP_printk("dev %s inode %lu extent %u/%d/%u@%u ",
-                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-                  __entry->result_group, __entry->result_start,
-                  __entry->result_len, __entry->result_logical)
+        TP_ARGS(ac)
 );
 
 TRACE_EVENT(ext4_forget,
@@ -874,6 +850,140 @@ TRACE_EVENT(ext4_forget,
                   __entry->mode, __entry->is_metadata, __entry->block)
 );
 
+TRACE_EVENT(ext4_da_update_reserve_space,
+        TP_PROTO(struct inode *inode, int used_blocks),
+
+        TP_ARGS(inode, used_blocks),
+
+        TP_STRUCT__entry(
+                __field(        dev_t,  dev                     )
+                __field(        ino_t,  ino                     )
+                __field(        umode_t, mode                   )
+                __field(        __u64,  i_blocks                )
+                __field(        int,    used_blocks             )
+                __field(        int,    reserved_data_blocks    )
+                __field(        int,    reserved_meta_blocks    )
+                __field(        int,    allocated_meta_blocks   )
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = inode->i_sb->s_dev;
+                __entry->ino    = inode->i_ino;
+                __entry->mode   = inode->i_mode;
+                __entry->i_blocks = inode->i_blocks;
+                __entry->used_blocks = used_blocks;
+                __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+                __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+                __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks;
+        ),
+
+        TP_printk("dev %s ino %lu mode 0%o i_blocks %llu used_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d",
+                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+                  __entry->mode,  (unsigned long long) __entry->i_blocks,
+                  __entry->used_blocks, __entry->reserved_data_blocks,
+                  __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
+);
+
+TRACE_EVENT(ext4_da_reserve_space,
+        TP_PROTO(struct inode *inode, int md_needed),
+
+        TP_ARGS(inode, md_needed),
+
+        TP_STRUCT__entry(
+                __field(        dev_t,  dev                     )
+                __field(        ino_t,  ino                     )
+                __field(        umode_t, mode                   )
+                __field(        __u64,  i_blocks                )
+                __field(        int,    md_needed               )
+                __field(        int,    reserved_data_blocks    )
+                __field(        int,    reserved_meta_blocks    )
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = inode->i_sb->s_dev;
+                __entry->ino    = inode->i_ino;
+                __entry->mode   = inode->i_mode;
+                __entry->i_blocks = inode->i_blocks;
+                __entry->md_needed = md_needed;
+                __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+                __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+        ),
+
+        TP_printk("dev %s ino %lu mode 0%o i_blocks %llu md_needed %d reserved_data_blocks %d reserved_meta_blocks %d",
+                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+                  __entry->mode, (unsigned long long) __entry->i_blocks,
+                  __entry->md_needed, __entry->reserved_data_blocks,
+                  __entry->reserved_meta_blocks)
+);
+
+TRACE_EVENT(ext4_da_release_space,
+        TP_PROTO(struct inode *inode, int freed_blocks),
+
+        TP_ARGS(inode, freed_blocks),
+
+        TP_STRUCT__entry(
+                __field(        dev_t,  dev                     )
+                __field(        ino_t,  ino                     )
+                __field(        umode_t, mode                   )
+                __field(        __u64,  i_blocks                )
+                __field(        int,    freed_blocks            )
+                __field(        int,    reserved_data_blocks    )
+                __field(        int,    reserved_meta_blocks    )
+                __field(        int,    allocated_meta_blocks   )
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = inode->i_sb->s_dev;
+                __entry->ino    = inode->i_ino;
+                __entry->mode   = inode->i_mode;
+                __entry->i_blocks = inode->i_blocks;
+                __entry->freed_blocks = freed_blocks;
+                __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+                __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+                __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks;
+        ),
+
+        TP_printk("dev %s ino %lu mode 0%o i_blocks %llu freed_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d",
+                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+                  __entry->mode, (unsigned long long) __entry->i_blocks,
+                  __entry->freed_blocks, __entry->reserved_data_blocks,
+                  __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
+);
+
+DECLARE_EVENT_CLASS(ext4__bitmap_load,
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group),
+
+        TP_STRUCT__entry(
+                __field(        dev_t,  dev                     )
+                __field(        __u32,  group                   )
+
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = sb->s_dev;
+                __entry->group  = group;
+        ),
+
+        TP_printk("dev %s group %u",
+                  jbd2_dev_to_name(__entry->dev), __entry->group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load,
+
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load,
+
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group)
+);
+
 #endif /* _TRACE_EXT4_H */
 
 /* This part must be outside protection */