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-rw-r--r--fs/gfs2/file.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 89c39e53760d..f82cb5e1cb6b 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -544,7 +544,9 @@ static int gfs2_close(struct inode *inode, struct file *file)
/**
* gfs2_fsync - sync the dirty data for a file (across the cluster)
- * @file: the file that points to the dentry (we ignore this)
+ * @file: the file that points to the dentry
+ * @start: the start position in the file to sync
+ * @end: the end position in the file to sync
* @datasync: set if we can ignore timestamp changes
*
* The VFS will flush data for us. We only need to worry
@@ -553,23 +555,32 @@ static int gfs2_close(struct inode *inode, struct file *file)
* Returns: errno
*/
-static int gfs2_fsync(struct file *file, int datasync)
+static int gfs2_fsync(struct file *file, loff_t start, loff_t end,
+ int datasync)
{
struct inode *inode = file->f_mapping->host;
int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC);
struct gfs2_inode *ip = GFS2_I(inode);
int ret;
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (ret)
+ return ret;
+ mutex_lock(&inode->i_mutex);
+
if (datasync)
sync_state &= ~I_DIRTY_SYNC;
if (sync_state) {
ret = sync_inode_metadata(inode, 1);
- if (ret)
+ if (ret) {
+ mutex_unlock(&inode->i_mutex);
return ret;
+ }
gfs2_ail_flush(ip->i_gl);
}
+ mutex_unlock(&inode->i_mutex);
return 0;
}