1 files changed, 21 insertions, 0 deletions

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index bfe4571a4fa1..b0fa6b650751 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -239,6 +239,8 @@ static int ocfs2_mknod(struct inode *dir,
         };
         int did_quota_inode = 0;
         struct ocfs2_dir_lookup_result lookup = { NULL, };
+        sigset_t oldset;
+        int did_block_signals = 0;
 
         mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
                    (unsigned long)dev, dentry->d_name.len,
@@ -350,6 +352,10 @@ static int ocfs2_mknod(struct inode *dir,
                 goto leave;
         }
 
+        /* Starting to change things, restart is no longer possible. */
+        ocfs2_block_signals(&oldset);
+        did_block_signals = 1;
+
         status = dquot_alloc_inode(inode);
         if (status)
                 goto leave;
@@ -430,6 +436,8 @@ leave:
                 ocfs2_commit_trans(osb, handle);
 
         ocfs2_inode_unlock(dir, 1);
+        if (did_block_signals)
+                ocfs2_unblock_signals(&oldset);
 
         if (status == -ENOSPC)
                 mlog(0, "Disk is full\n");
@@ -620,6 +628,7 @@ static int ocfs2_link(struct dentry *old_dentry,
         struct ocfs2_dinode *fe = NULL;
         struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
         struct ocfs2_dir_lookup_result lookup = { NULL, };
+        sigset_t oldset;
 
         mlog_entry("(inode=%lu, old='%.*s' new='%.*s')\n", inode->i_ino,
                    old_dentry->d_name.len, old_dentry->d_name.name,
@@ -676,6 +685,9 @@ static int ocfs2_link(struct dentry *old_dentry,
                 goto out_unlock_inode;
         }
 
+        /* Starting to change things, restart is no longer possible. */
+        ocfs2_block_signals(&oldset);
+
         err = ocfs2_journal_access_di(handle, INODE_CACHE(inode), fe_bh,
                                       OCFS2_JOURNAL_ACCESS_WRITE);
         if (err < 0) {
@@ -712,6 +724,7 @@ static int ocfs2_link(struct dentry *old_dentry,
 
 out_commit:
         ocfs2_commit_trans(osb, handle);
+        ocfs2_unblock_signals(&oldset);
 out_unlock_inode:
         ocfs2_inode_unlock(inode, 1);
 
@@ -1570,6 +1583,8 @@ static int ocfs2_symlink(struct inode *dir,
         };
         int did_quota = 0, did_quota_inode = 0;
         struct ocfs2_dir_lookup_result lookup = { NULL, };
+        sigset_t oldset;
+        int did_block_signals = 0;
 
         mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir,
                    dentry, symname, dentry->d_name.len, dentry->d_name.name);
@@ -1665,6 +1680,10 @@ static int ocfs2_symlink(struct inode *dir,
                 goto bail;
         }
 
+        /* Starting to change things, restart is no longer possible. */
+        ocfs2_block_signals(&oldset);
+        did_block_signals = 1;
+
         status = dquot_alloc_inode(inode);
         if (status)
                 goto bail;
@@ -1768,6 +1787,8 @@ bail:
                 ocfs2_commit_trans(osb, handle);
 
         ocfs2_inode_unlock(dir, 1);
+        if (did_block_signals)
+                ocfs2_unblock_signals(&oldset);
 
         brelse(new_fe_bh);
         brelse(parent_fe_bh);