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

[mv-sheeva.git] / fs / ext4 / fsync.c

diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 5afe4370840b2b0b7c683a7d738baf648eae533b..07475740b512535ec6d30aa3b36d6892b765e839 100644 (file)
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -28,10 +28,12 @@
 #include <linux/writeback.h>
 #include <linux/jbd2.h>
 #include <linux/blkdev.h>
-#include <linux/marker.h>
+
 #include "ext4.h"
 #include "ext4_jbd2.h"
 
+#include <trace/events/ext4.h>
+
 /*
  * akpm: A new design for ext4_sync_file().
  *
@@ -48,13 +50,11 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 {
        struct inode *inode = dentry->d_inode;
        journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
-       int ret = 0;
+       int err, ret = 0;
 
        J_ASSERT(ext4_journal_current_handle() == NULL);
 
-       trace_mark(ext4_sync_file, "dev %s datasync %d ino %ld parent %ld",
-                  inode->i_sb->s_id, datasync, inode->i_ino,
-                  dentry->d_parent->d_inode->i_ino);
+       trace_ext4_sync_file(file, dentry, datasync);
 
        /*
         * data=writeback:
@@ -79,6 +79,9 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
                goto out;
        }
 
+       if (!journal)
+               ret = sync_mapping_buffers(inode->i_mapping);
+
        if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
                goto out;
 
@@ -91,10 +94,12 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
                        .sync_mode = WB_SYNC_ALL,
                        .nr_to_write = 0, /* sys_fsync did this */
                };
-               ret = sync_inode(inode, &wbc);
-               if (journal && (journal->j_flags & JBD2_BARRIER))
-                       blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
+               err = sync_inode(inode, &wbc);
+               if (ret == 0)
+                       ret = err;
        }
 out:
+       if (journal && (journal->j_flags & JBD2_BARRIER))
+               blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
        return ret;
 }