ext4: Add markers for better debuggability

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 9 insertions, 0 deletions

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index e3aa3fa38608..369c34c64292 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -210,6 +210,11 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
 
         ino = inode->i_ino;
         ext4_debug("freeing inode %lu\n", ino);
+        trace_mark(ext4_free_inode,
+                   "dev %s ino %lu mode %d uid %lu gid %lu bocks %llu",
+                   sb->s_id, inode->i_ino, inode->i_mode,
+                   (unsigned long) inode->i_uid, (unsigned long) inode->i_gid,
+                   (unsigned long long) inode->i_blocks);
 
         /*
          * Note: we must free any quota before locking the superblock,
@@ -698,6 +703,8 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode)
                 return ERR_PTR(-EPERM);
 
         sb = dir->i_sb;
+        trace_mark(ext4_request_inode, "dev %s dir %lu mode %d", sb->s_id,
+                   dir->i_ino, mode);
         inode = new_inode(sb);
         if (!inode)
                 return ERR_PTR(-ENOMEM);
@@ -925,6 +932,8 @@ got:
         }
 
         ext4_debug("allocating inode %lu\n", inode->i_ino);
+        trace_mark(ext4_allocate_inode, "dev %s ino %lu dir %lu mode %d",
+                   sb->s_id, inode->i_ino, dir->i_ino, mode);
         goto really_out;
 fail:
         ext4_std_error(sb, err);