---

yaml --- r: 45722 b: refs/heads/master c: de14569 h: refs/heads/master v: v3
git-mirror · Jan 23, 2007 · c0325d3 · c0325d3
1 parent af74ded
commit c0325d3
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Showing 4 changed files with 24 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 30150f8d7b76f25b1127a5079528b7a17307f995
+refs/heads/master: de14569f94513279e3d44d9571a421e9da1759ae
diff --git a/trunk/fs/reiserfs/file.c b/trunk/fs/reiserfs/file.c
@@ -48,6 +48,11 @@ static int reiserfs_file_release(struct inode *inode, struct file *filp)
 	}
 
 	mutex_lock(&inode->i_mutex);
+
+	mutex_lock(&(REISERFS_I(inode)->i_mmap));
+	if (REISERFS_I(inode)->i_flags & i_ever_mapped)
+		REISERFS_I(inode)->i_flags &= ~i_pack_on_close_mask;
+
 	reiserfs_write_lock(inode->i_sb);
 	/* freeing preallocation only involves relogging blocks that
 	 * are already in the current transaction.  preallocation gets
@@ -100,11 +105,24 @@ static int reiserfs_file_release(struct inode *inode, struct file *filp)
 		err = reiserfs_truncate_file(inode, 0);
 	}
       out:
+	mutex_unlock(&(REISERFS_I(inode)->i_mmap));
 	mutex_unlock(&inode->i_mutex);
 	reiserfs_write_unlock(inode->i_sb);
 	return err;
 }
 
+static int reiserfs_file_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct inode *inode;
+
+	inode = file->f_path.dentry->d_inode;
+	mutex_lock(&(REISERFS_I(inode)->i_mmap));
+	REISERFS_I(inode)->i_flags |= i_ever_mapped;
+	mutex_unlock(&(REISERFS_I(inode)->i_mmap));
+
+	return generic_file_mmap(file, vma);
+}
+
 static void reiserfs_vfs_truncate_file(struct inode *inode)
 {
 	reiserfs_truncate_file(inode, 1);
@@ -1527,7 +1545,7 @@ const struct file_operations reiserfs_file_operations = {
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = reiserfs_compat_ioctl,
 #endif
-	.mmap = generic_file_mmap,
+	.mmap = reiserfs_file_mmap,
 	.open = generic_file_open,
 	.release = reiserfs_file_release,
 	.fsync = reiserfs_sync_file,

diff --git a/trunk/fs/reiserfs/inode.c b/trunk/fs/reiserfs/inode.c
@@ -1125,6 +1125,7 @@ static void init_inode(struct inode *inode, struct treepath *path)
 	REISERFS_I(inode)->i_prealloc_count = 0;
 	REISERFS_I(inode)->i_trans_id = 0;
 	REISERFS_I(inode)->i_jl = NULL;
+	mutex_init(&(REISERFS_I(inode)->i_mmap));
 	reiserfs_init_acl_access(inode);
 	reiserfs_init_acl_default(inode);
 	reiserfs_init_xattr_rwsem(inode);
@@ -1832,6 +1833,7 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
 	REISERFS_I(inode)->i_attrs =
 	    REISERFS_I(dir)->i_attrs & REISERFS_INHERIT_MASK;
 	sd_attrs_to_i_attrs(REISERFS_I(inode)->i_attrs, inode);
+	mutex_init(&(REISERFS_I(inode)->i_mmap));
 	reiserfs_init_acl_access(inode);
 	reiserfs_init_acl_default(inode);
 	reiserfs_init_xattr_rwsem(inode);

diff --git a/trunk/include/linux/reiserfs_fs_i.h b/trunk/include/linux/reiserfs_fs_i.h
@@ -25,6 +25,7 @@ typedef enum {
 	i_link_saved_truncate_mask = 0x0020,
 	i_has_xattr_dir = 0x0040,
 	i_data_log = 0x0080,
+	i_ever_mapped = 0x0100
 } reiserfs_inode_flags;
 
 struct reiserfs_inode_info {
@@ -52,6 +53,7 @@ struct reiserfs_inode_info {
 	 ** flushed */
 	unsigned long i_trans_id;
 	struct reiserfs_journal_list *i_jl;
+	struct mutex i_mmap;
 #ifdef CONFIG_REISERFS_FS_POSIX_ACL
 	struct posix_acl *i_acl_access;
 	struct posix_acl *i_acl_default;