Merge pull request torvalds#109 from hayley-leblanc/issue_100

Fix crash consistency issue with alternate logs (torvalds#100)
KIT-OSGroup · Jul 18, 2021 · b04a2c8 · b04a2c8
2 parents 587e252 + d09bcfc
commit b04a2c8
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/fs/nova/log.c b/fs/nova/log.c
@@ -1184,7 +1184,6 @@ static int nova_initialize_inode_log(struct super_block *sb,
 		sih->log_pages++;
 		nova_flush_buffer(&pi->alter_log_head, CACHELINE_SIZE, 1);
 	}
-	nova_update_inode_checksum(pi);
 	nova_memlock_inode(sb, pi, &irq_flags);
 
 	return 0;
@@ -1221,6 +1220,10 @@ static u64 nova_extend_inode_log(struct super_block *sb, struct nova_inode *pi,
 			nova_memlock_inode(sb, pi, &irq_flags);
 		}
 
+		nova_memunlock_inode(sb, pi, &irq_flags);
+		nova_update_inode_checksum(pi);
+		nova_memlock_inode(sb, pi, &irq_flags);
+
 		return sih->log_head;
 	}