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-rw-r--r--fs/open.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/open.c b/fs/open.c
index daa324606a41..9ec3cfca3b1a 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -856,8 +856,11 @@ static int do_dentry_open(struct file *f,
* of THPs into the page cache will fail.
*/
smp_mb();
- if (filemap_nr_thps(inode->i_mapping))
+ if (filemap_nr_thps(inode->i_mapping)) {
+ filemap_invalidate_lock(inode->i_mapping);
truncate_pagecache(inode, 0);
+ filemap_invalidate_unlock(inode->i_mapping);
+ }
}
return 0;