writeback: Avoid iput() from flusher thread

[mirror_ubuntu-bionic-kernel.git] / fs / inode.c

diff --git a/fs/inode.c b/fs/inode.c
index 02c0fa5e16a45ac9ec6286d69421fac8c01ea26c..f4e1450166115a788bec6529ad8d541f7f87ef44 100644 (file)
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -530,7 +530,13 @@ static void evict(struct inode *inode)
 
        inode_sb_list_del(inode);
 
-       inode_sync_wait(inode);
+       /*
+        * Wait for flusher thread to be done with the inode so that filesystem
+        * does not start destroying it while writeback is still running. Since
+        * the inode has I_FREEING set, flusher thread won't start new work on
+        * the inode.  We just have to wait for running writeback to finish.
+        */
+       inode_wait_for_writeback(inode);
 
        if (op->evict_inode) {
                op->evict_inode(inode);