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Commit 7b9a2378 authored by Al Viro's avatar Al Viro
Browse files

ocfs2: needs ->d_lock to poke in ->d_parent->d_inode from ->d_revalidate() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 49475555

fs/ocfs2/dcache.c

+4 −3
Original line number Diff line number Diff line
@@ -70,9 +70,10 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags) 
	 */

	if (inode == NULL) {

		unsigned long gen = (unsigned long) dentry->d_fsdata;

		unsigned long pgen =

			OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;



		unsigned long pgen;

		spin_lock(&dentry->d_lock);

		pgen = OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;

		spin_unlock(&dentry->d_lock);

		trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len,

						       dentry->d_name.name,

						       pgen, gen);