Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (64 commits)
  ext4: Update documentation about quota mount options
  ext4: replace MAX_DEFRAG_SIZE with EXT_MAX_BLOCK
  ext4: Fix the alloc on close after a truncate hueristic
  ext4: Add a tracepoint for ext4_alloc_da_blocks()
  ext4: store EXT4_EXT_MIGRATE in i_state instead of i_flags
  ext4: limit block allocations for indirect-block files to < 2^32
  ext4: Fix different block exchange issue in EXT4_IOC_MOVE_EXT
  ext4: Add null extent check to ext_get_path
  ext4: Replace BUG_ON() with ext4_error() in move_extents.c
  ext4: Replace get_ext_path macro with an inline funciton
  ext4: Fix include/trace/events/ext4.h to work with Systemtap
  ext4: Fix initalization of s_flex_groups
  ext4: Always set dx_node's fake_dirent explicitly.
  ext4: Fix async commit mode to be safe by using a barrier
  ext4: Don't update superblock write time when filesystem is read-only
  ext4: Clarify the locking details in mballoc
  ext4: check for need init flag in ext4_mb_load_buddy
  ext4: move ext4_mb_init_group() function earlier in the mballoc.c
  ext4: Make non-journal fsync work properly
  ext4: Assure that metadata blocks are written during fsync in no journal mode
  ...

3 files changed, 107 insertions, 39 deletions

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index d97eb652d6ca..52695d3dfd0b 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -652,7 +652,7 @@ struct transaction_s
 	 * This transaction is being forced and some process is
 	 * waiting for it to finish.
 	 */
-	int t_synchronous_commit:1;
+	unsigned int t_synchronous_commit:1;
 
 	/*
 	 * For use by the filesystem to store fs-specific data
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 8d433c4e3709..c1bd8f1e8b94 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -5,10 +5,15 @@
 #define _TRACE_EXT4_H
 
 #include <linux/writeback.h>
-#include "../../../fs/ext4/ext4.h"
-#include "../../../fs/ext4/mballoc.h"
 #include <linux/tracepoint.h>
 
+struct ext4_allocation_context;
+struct ext4_allocation_request;
+struct ext4_prealloc_space;
+struct ext4_inode_info;
+
+#define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode))
+
 TRACE_EVENT(ext4_free_inode,
 	TP_PROTO(struct inode *inode),
 
@@ -33,8 +38,8 @@ TRACE_EVENT(ext4_free_inode,
 	),
 
 	TP_printk("dev %s ino %lu mode %d uid %u gid %u blocks %llu",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->mode,
-		  __entry->uid, __entry->gid,
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->mode, __entry->uid, __entry->gid,
 		  (unsigned long long) __entry->blocks)
 );
 
@@ -56,7 +61,8 @@ TRACE_EVENT(ext4_request_inode,
 	),
 
 	TP_printk("dev %s dir %lu mode %d",
-		  jbd2_dev_to_name(__entry->dev), __entry->dir, __entry->mode)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->dir,
+		  __entry->mode)
 );
 
 TRACE_EVENT(ext4_allocate_inode,
@@ -79,7 +85,8 @@ TRACE_EVENT(ext4_allocate_inode,
 	),
 
 	TP_printk("dev %s ino %lu dir %lu mode %d",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->dir, __entry->mode)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  (unsigned long) __entry->dir, __entry->mode)
 );
 
 TRACE_EVENT(ext4_write_begin,
@@ -106,8 +113,8 @@ TRACE_EVENT(ext4_write_begin,
 	),
 
 	TP_printk("dev %s ino %lu pos %llu len %u flags %u",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
-		  __entry->flags)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pos, __entry->len, __entry->flags)
 );
 
 TRACE_EVENT(ext4_ordered_write_end,
@@ -133,8 +140,8 @@ TRACE_EVENT(ext4_ordered_write_end,
 	),
 
 	TP_printk("dev %s ino %lu pos %llu len %u copied %u",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
-		  __entry->copied)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pos, __entry->len, __entry->copied)
 );
 
 TRACE_EVENT(ext4_writeback_write_end,
@@ -160,8 +167,8 @@ TRACE_EVENT(ext4_writeback_write_end,
 	),
 
 	TP_printk("dev %s ino %lu pos %llu len %u copied %u",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
-		  __entry->copied)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pos, __entry->len, __entry->copied)
 );
 
 TRACE_EVENT(ext4_journalled_write_end,
@@ -186,8 +193,8 @@ TRACE_EVENT(ext4_journalled_write_end,
 	),
 
 	TP_printk("dev %s ino %lu pos %llu len %u copied %u",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
-		  __entry->copied)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pos, __entry->len, __entry->copied)
 );
 
 TRACE_EVENT(ext4_writepage,
@@ -209,7 +216,8 @@ TRACE_EVENT(ext4_writepage,
 	),
 
 	TP_printk("dev %s ino %lu page_index %lu",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->index)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->index)
 );
 
 TRACE_EVENT(ext4_da_writepages,
@@ -243,14 +251,49 @@ TRACE_EVENT(ext4_da_writepages,
 		__entry->range_cyclic	= wbc->range_cyclic;
 	),
 
-	TP_printk("dev %s ino %lu nr_t_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->nr_to_write,
+	TP_printk("dev %s ino %lu nr_to_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d",
+		  jbd2_dev_to_name(__entry->dev),
+		  (unsigned long) __entry->ino, __entry->nr_to_write,
 		  __entry->pages_skipped, __entry->range_start,
 		  __entry->range_end, __entry->nonblocking,
 		  __entry->for_kupdate, __entry->for_reclaim,
 		  __entry->range_cyclic)
 );
 
+TRACE_EVENT(ext4_da_write_pages,
+	TP_PROTO(struct inode *inode, struct mpage_da_data *mpd),
+
+	TP_ARGS(inode, mpd),
+
+	TP_STRUCT__entry(
+		__field(	dev_t,	dev			)
+		__field(	ino_t,	ino			)
+		__field(	__u64,	b_blocknr		)
+		__field(	__u32,	b_size			)
+		__field(	__u32,	b_state			)
+		__field(	unsigned long,	first_page	)
+		__field(	int,	io_done			)
+		__field(	int,	pages_written		)
+	),
+
+	TP_fast_assign(
+		__entry->dev		= inode->i_sb->s_dev;
+		__entry->ino		= inode->i_ino;
+		__entry->b_blocknr	= mpd->b_blocknr;
+		__entry->b_size		= mpd->b_size;
+		__entry->b_state	= mpd->b_state;
+		__entry->first_page	= mpd->first_page;
+		__entry->io_done	= mpd->io_done;
+		__entry->pages_written	= mpd->pages_written;
+	),
+
+	TP_printk("dev %s ino %lu b_blocknr %llu b_size %u b_state 0x%04x first_page %lu io_done %d pages_written %d",
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->b_blocknr, __entry->b_size,
+		  __entry->b_state, __entry->first_page,
+		  __entry->io_done, __entry->pages_written)
+);
+
 TRACE_EVENT(ext4_da_writepages_result,
 	TP_PROTO(struct inode *inode, struct writeback_control *wbc,
 			int ret, int pages_written),
@@ -280,7 +323,8 @@ TRACE_EVENT(ext4_da_writepages_result,
 	),
 
 	TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld congestion %d more_io %d no_nrwrite_index_update %d",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->ret,
+		  jbd2_dev_to_name(__entry->dev),
+		  (unsigned long) __entry->ino, __entry->ret,
 		  __entry->pages_written, __entry->pages_skipped,
 		  __entry->encountered_congestion, __entry->more_io,
 		  __entry->no_nrwrite_index_update)
@@ -309,8 +353,8 @@ TRACE_EVENT(ext4_da_write_begin,
 	),
 
 	TP_printk("dev %s ino %lu pos %llu len %u flags %u",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
-		  __entry->flags)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pos, __entry->len, __entry->flags)
 );
 
 TRACE_EVENT(ext4_da_write_end,
@@ -336,8 +380,8 @@ TRACE_EVENT(ext4_da_write_end,
 	),
 
 	TP_printk("dev %s ino %lu pos %llu len %u copied %u",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
-		  __entry->copied)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pos, __entry->len, __entry->copied)
 );
 
 TRACE_EVENT(ext4_discard_blocks,
@@ -387,8 +431,8 @@ TRACE_EVENT(ext4_mb_new_inode_pa,
 	),
 
 	TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pa_pstart,
-		  __entry->pa_len, __entry->pa_lstart)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
 );
 
 TRACE_EVENT(ext4_mb_new_group_pa,
@@ -415,8 +459,8 @@ TRACE_EVENT(ext4_mb_new_group_pa,
 	),
 
 	TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pa_pstart,
-		  __entry->pa_len, __entry->pa_lstart)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
 );
 
 TRACE_EVENT(ext4_mb_release_inode_pa,
@@ -442,8 +486,8 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
 	),
 
 	TP_printk("dev %s ino %lu block %llu count %u",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->block,
-		  __entry->count)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->block, __entry->count)
 );
 
 TRACE_EVENT(ext4_mb_release_group_pa,
@@ -488,7 +532,7 @@ TRACE_EVENT(ext4_discard_preallocations,
 	),
 
 	TP_printk("dev %s ino %lu",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino)
 );
 
 TRACE_EVENT(ext4_mb_discard_preallocations,
@@ -543,8 +587,8 @@ TRACE_EVENT(ext4_request_blocks,
 	),
 
 	TP_printk("dev %s ino %lu flags %u len %u lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->flags,
-		  __entry->len,
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->flags, __entry->len,
 		  (unsigned long long) __entry->logical,
 		  (unsigned long long) __entry->goal,
 		  (unsigned long long) __entry->lleft,
@@ -587,8 +631,8 @@ TRACE_EVENT(ext4_allocate_blocks,
 	),
 
 	TP_printk("dev %s ino %lu flags %u len %u block %llu lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->flags,
-		  __entry->len, __entry->block,
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->flags, __entry->len, __entry->block,
 		  (unsigned long long) __entry->logical,
 		  (unsigned long long) __entry->goal,
 		  (unsigned long long) __entry->lleft,
@@ -621,8 +665,8 @@ TRACE_EVENT(ext4_free_blocks,
 	),
 
 	TP_printk("dev %s ino %lu block %llu count %lu metadata %d",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->block,
-		  __entry->count, __entry->metadata)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->block, __entry->count, __entry->metadata)
 );
 
 TRACE_EVENT(ext4_sync_file,
@@ -645,8 +689,8 @@ TRACE_EVENT(ext4_sync_file,
 	),
 
 	TP_printk("dev %s ino %ld parent %ld datasync %d ",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->parent,
-		  __entry->datasync)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  (unsigned long) __entry->parent, __entry->datasync)
 );
 
 TRACE_EVENT(ext4_sync_fs,
@@ -669,6 +713,30 @@ TRACE_EVENT(ext4_sync_fs,
 		  __entry->wait)
 );
 
+TRACE_EVENT(ext4_alloc_da_blocks,
+	TP_PROTO(struct inode *inode),
+
+	TP_ARGS(inode),
+
+	TP_STRUCT__entry(
+		__field(	dev_t,	dev			)
+		__field(	ino_t,	ino			)
+		__field( unsigned int,	data_blocks	)
+		__field( unsigned int,	meta_blocks	)
+	),
+
+	TP_fast_assign(
+		__entry->dev	= inode->i_sb->s_dev;
+		__entry->ino	= inode->i_ino;
+		__entry->data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+		__entry->meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+	),
+
+	TP_printk("dev %s ino %lu data_blocks %u meta_blocks %u",
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->data_blocks, __entry->meta_blocks)
+);
+
 #endif /* _TRACE_EXT4_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index 10813fa0c8d0..b851f0b4701c 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -159,7 +159,7 @@ TRACE_EVENT(jbd2_submit_inode_data,
 	),
 
 	TP_printk("dev %s ino %lu",
-		  jbd2_dev_to_name(__entry->dev), __entry->ino)
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino)
 );
 
 #endif /* _TRACE_JBD2_H */