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Diffstat (limited to 'fs/ext3/fsync.c')
-rw-r--r--fs/ext3/fsync.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index 09b13bb..06a4394 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -30,6 +30,7 @@
#include <linux/jbd.h>
#include <linux/ext3_fs.h>
#include <linux/ext3_jbd.h>
+#include <trace/events/ext3.h>
/*
* akpm: A new design for ext3_sync_file().
@@ -51,10 +52,13 @@ int ext3_sync_file(struct file *file, int datasync)
int ret, needs_barrier = 0;
tid_t commit_tid;
+ J_ASSERT(ext3_journal_current_handle() == NULL);
+
+ trace_ext3_sync_file_enter(file, datasync);
+
if (inode->i_sb->s_flags & MS_RDONLY)
return 0;
- J_ASSERT(ext3_journal_current_handle() == NULL);
/*
* data=writeback,ordered:
@@ -70,8 +74,10 @@ int ext3_sync_file(struct file *file, int datasync)
* (they were dirtied by commit). But that's OK - the blocks are
* safe in-journal, which is all fsync() needs to ensure.
*/
- if (ext3_should_journal_data(inode))
- return ext3_force_commit(inode->i_sb);
+ if (ext3_should_journal_data(inode)) {
+ ret = ext3_force_commit(inode->i_sb);
+ goto out;
+ }
if (datasync)
commit_tid = atomic_read(&ei->i_datasync_tid);
@@ -91,5 +97,8 @@ int ext3_sync_file(struct file *file, int datasync)
*/
if (needs_barrier)
blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+
+out:
+ trace_ext3_sync_file_exit(inode, ret);
return ret;
}