Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Mostly performance and bug fixes, plus some cleanups.  The one new
  feature this merge window is a new ioctl EXT4_IOC_SWAP_BOOT which
  allows installation of a hidden inode designed for boot loaders."

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (50 commits)
  ext4: fix type-widening bug in inode table readahead code
  ext4: add check for inodes_count overflow in new resize ioctl
  ext4: fix Kconfig documentation for CONFIG_EXT4_DEBUG
  ext4: fix online resizing for ext3-compat file systems
  jbd2: trace when lock_buffer in do_get_write_access takes a long time
  ext4: mark metadata blocks using bh flags
  buffer: add BH_Prio and BH_Meta flags
  ext4: mark all metadata I/O with REQ_META
  ext4: fix readdir error in case inline_data+^dir_index.
  ext4: fix readdir error in the case of inline_data+dir_index
  jbd2: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
  ext4: mext_insert_extents should update extent block checksum
  ext4: move quota initialization out of inode allocation transaction
  ext4: reserve xattr index for Rich ACL support
  jbd2: reduce journal_head size
  ext4: clear buffer_uninit flag when submitting IO
  ext4: use io_end for multiple bios
  ext4: make ext4_bio_write_page() use BH_Async_Write flags
  ext4: Use kstrtoul() instead of parse_strtoul()
  ext4: defragmentation code cleanup
  ...

2 files changed, 25 insertions, 12 deletions

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 4ee471003859..d0e686402df8 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -257,15 +257,7 @@ DECLARE_EVENT_CLASS(ext4__write_end,
                   __entry->pos, __entry->len, __entry->copied)
 );
 
-DEFINE_EVENT(ext4__write_end, ext4_ordered_write_end,
-
-        TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
-                 unsigned int copied),
-
-        TP_ARGS(inode, pos, len, copied)
-);
-
-DEFINE_EVENT(ext4__write_end, ext4_writeback_write_end,
+DEFINE_EVENT(ext4__write_end, ext4_write_end,
 
         TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
                  unsigned int copied),
@@ -1956,7 +1948,7 @@ TRACE_EVENT(ext4_remove_blocks,
                 __entry->to             = to;
                 __entry->partial        = partial_cluster;
                 __entry->ee_pblk        = ext4_ext_pblock(ex);
-                __entry->ee_lblk        = cpu_to_le32(ex->ee_block);
+                __entry->ee_lblk        = le32_to_cpu(ex->ee_block);
                 __entry->ee_len         = ext4_ext_get_actual_len(ex);
         ),
 
@@ -2060,7 +2052,7 @@ TRACE_EVENT(ext4_ext_remove_space,
 
 TRACE_EVENT(ext4_ext_remove_space_done,
         TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth,
-                ext4_lblk_t partial, unsigned short eh_entries),
+                ext4_lblk_t partial, __le16 eh_entries),
 
         TP_ARGS(inode, start, depth, partial, eh_entries),
 
@@ -2079,7 +2071,7 @@ TRACE_EVENT(ext4_ext_remove_space_done,
                 __entry->start          = start;
                 __entry->depth          = depth;
                 __entry->partial        = partial;
-                __entry->eh_entries     = eh_entries;
+                __entry->eh_entries     = le16_to_cpu(eh_entries);
         ),
 
         TP_printk("dev %d,%d ino %lu since %u depth %d partial %u "
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index 070df49e4a1d..c1d1f3eb242d 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -358,6 +358,27 @@ TRACE_EVENT(jbd2_write_superblock,
                   MINOR(__entry->dev), __entry->write_op)
 );
 
+TRACE_EVENT(jbd2_lock_buffer_stall,
+
+        TP_PROTO(dev_t dev, unsigned long stall_ms),
+
+        TP_ARGS(dev, stall_ms),
+
+        TP_STRUCT__entry(
+                __field(        dev_t, dev      )
+                __field(unsigned long, stall_ms )
+        ),
+
+        TP_fast_assign(
+                __entry->dev            = dev;
+                __entry->stall_ms       = stall_ms;
+        ),
+
+        TP_printk("dev %d,%d stall_ms %lu",
+                MAJOR(__entry->dev), MINOR(__entry->dev),
+                __entry->stall_ms)
+);
+
 #endif /* _TRACE_JBD2_H */
 
 /* This part must be outside protection */