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

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (40 commits)
  ext4: Adding error check after calling ext4_mb_regular_allocator()
  ext4: Fix dirtying of journalled buffers in data=journal mode
  ext4: re-inline ext4_rec_len_(to|from)_disk functions
  jbd2: Remove t_handle_lock from start_this_handle()
  jbd2: Change j_state_lock to be a rwlock_t
  jbd2: Use atomic variables to avoid taking t_handle_lock in jbd2_journal_stop
  ext4: Add mount options in superblock
  ext4: force block allocation on quota_off
  ext4: fix freeze deadlock under IO
  ext4: drop inode from orphan list if ext4_delete_inode() fails
  ext4: check to make make sure bd_dev is set before dereferencing it
  jbd2: Make barrier messages less scary
  ext4: don't print scary messages for allocation failures post-abort
  ext4: fix EFBIG edge case when writing to large non-extent file
  ext4: fix ext4_get_blocks references
  ext4: Always journal quota file modifications
  ext4: Fix potential memory leak in ext4_fill_super
  ext4: Don't error out the fs if the user tries to make a file too big
  ext4: allocate stripe-multiple IOs on stripe boundaries
  ext4: move aio completion after unwritten extent conversion
  ...

Fix up conflicts in fs/ext4/inode.c as per Ted.

Fix up xfs conflicts as per earlier xfs merge.

1 files changed, 9 insertions, 7 deletions

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index adf832dec3f3..0b52924a0cb6 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -601,13 +601,13 @@ struct transaction_s
          * Number of outstanding updates running on this transaction
          * [t_handle_lock]
          */
-        int                     t_updates;
+        atomic_t                t_updates;
 
         /*
          * Number of buffers reserved for use by all handles in this transaction
          * handle but not yet modified. [t_handle_lock]
          */
-        int                     t_outstanding_credits;
+        atomic_t                t_outstanding_credits;
 
         /*
          * Forward and backward links for the circular list of all transactions
@@ -629,7 +629,7 @@ struct transaction_s
         /*
          * How many handles used this transaction? [t_handle_lock]
          */
-        int t_handle_count;
+        atomic_t                t_handle_count;
 
         /*
          * This transaction is being forced and some process is
@@ -764,7 +764,7 @@ struct journal_s
         /*
          * Protect the various scalars in the journal
          */
-        spinlock_t              j_state_lock;
+        rwlock_t                j_state_lock;
 
         /*
          * Number of processes waiting to create a barrier lock [j_state_lock]
@@ -1082,7 +1082,9 @@ static inline handle_t *journal_current_handle(void)
  */
 
 extern handle_t *jbd2_journal_start(journal_t *, int nblocks);
-extern int       jbd2_journal_restart (handle_t *, int nblocks);
+extern handle_t *jbd2__journal_start(journal_t *, int nblocks, int gfp_mask);
+extern int       jbd2_journal_restart(handle_t *, int nblocks);
+extern int       jbd2__journal_restart(handle_t *, int nblocks, int gfp_mask);
 extern int       jbd2_journal_extend (handle_t *, int nblocks);
 extern int       jbd2_journal_get_write_access(handle_t *, struct buffer_head *);
 extern int       jbd2_journal_get_create_access (handle_t *, struct buffer_head *);
@@ -1257,8 +1259,8 @@ static inline int jbd_space_needed(journal_t *journal)
 {
         int nblocks = journal->j_max_transaction_buffers;
         if (journal->j_committing_transaction)
-                nblocks += journal->j_committing_transaction->
-                                        t_outstanding_credits;
+                nblocks += atomic_read(&journal->j_committing_transaction->
+                                       t_outstanding_credits);
         return nblocks;
 }