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-rw-r--r--fs/logfs/file.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/logfs/file.c b/fs/logfs/file.c
index c2ad7028def4..b548c87a86f1 100644
--- a/fs/logfs/file.c
+++ b/fs/logfs/file.c
@@ -219,11 +219,20 @@ long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
}
-int logfs_fsync(struct file *file, int datasync)
+int logfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
struct super_block *sb = file->f_mapping->host->i_sb;
+ struct inode *inode = file->f_mapping->host;
+ int ret;
+
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (ret)
+ return ret;
+ mutex_lock(&inode->i_mutex);
logfs_write_anchor(sb);
+ mutex_unlock(&inode->i_mutex);
+
return 0;
}