diff options
| -rw-r--r-- | mm/truncate.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index c646084e5eec..f1e4d6052369 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -715,8 +715,9 @@ EXPORT_SYMBOL(truncate_pagecache); * necessary) to @newsize. It will be typically be called from the filesystem's * setattr function when ATTR_SIZE is passed in. * - * Must be called with inode_mutex held and before all filesystem specific - * block truncation has been performed. + * Must be called with a lock serializing truncates and writes (generally + * i_mutex but e.g. xfs uses a different lock) and before all filesystem + * specific block truncation has been performed. */ void truncate_setsize(struct inode *inode, loff_t newsize) { |