ext4: add shutdown bit and check for it

[linux-2.6-microblaze.git] / fs / ext4 / fsync.c

diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 88effb1..9d54960 100644 (file)
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -100,6 +100,9 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
        tid_t commit_tid;
        bool needs_barrier = false;
 
+       if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
+               return -EIO;
+
        J_ASSERT(ext4_journal_current_handle() == NULL);
 
        trace_ext4_sync_file_enter(file, datasync);