build(deps): bump idna from 3.4 to 3.7 in /drivers/gpu/drm/ci/xfails

drivers/gpu/drm/ci/xfails/requirements.txt

@@ -4,7 +4,7 @@ termcolor==2.3.0
 # ci-collate dependencies
 certifi==2023.7.22
 charset-normalizer==3.2.0
-idna==3.4
+idna==3.7
 pip==23.3
 python-gitlab==3.15.0
 requests==2.31.0

fs/9p/v9fs.h

@@ -179,13 +179,16 @@ extern int v9fs_vfs_rename(struct mnt_idmap *idmap,
 			   struct inode *old_dir, struct dentry *old_dentry,
 			   struct inode *new_dir, struct dentry *new_dentry,
 			   unsigned int flags);
-extern struct inode *v9fs_fid_iget(struct super_block *sb, struct p9_fid *fid);
+extern struct inode *v9fs_inode_from_fid(struct v9fs_session_info *v9ses,
+					 struct p9_fid *fid,
+					 struct super_block *sb, int new);
 extern const struct inode_operations v9fs_dir_inode_operations_dotl;
 extern const struct inode_operations v9fs_file_inode_operations_dotl;
 extern const struct inode_operations v9fs_symlink_inode_operations_dotl;
 extern const struct netfs_request_ops v9fs_req_ops;
-extern struct inode *v9fs_fid_iget_dotl(struct super_block *sb,
-					struct p9_fid *fid);
+extern struct inode *v9fs_inode_from_fid_dotl(struct v9fs_session_info *v9ses,
+					      struct p9_fid *fid,
+					      struct super_block *sb, int new);
 
 /* other default globals */
 #define V9FS_PORT	564
@@ -227,9 +230,27 @@ v9fs_get_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
 			struct super_block *sb)
 {
 	if (v9fs_proto_dotl(v9ses))
-		return v9fs_fid_iget_dotl(sb, fid);
+		return v9fs_inode_from_fid_dotl(v9ses, fid, sb, 0);
 	else
-		return v9fs_fid_iget(sb, fid);
+		return v9fs_inode_from_fid(v9ses, fid, sb, 0);
+}
+
+/**
+ * v9fs_get_new_inode_from_fid - Helper routine to populate an inode by
+ * issuing a attribute request
+ * @v9ses: session information
+ * @fid: fid to issue attribute request for
+ * @sb: superblock on which to create inode
+ *
+ */
+static inline struct inode *
+v9fs_get_new_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
+			    struct super_block *sb)
+{
+	if (v9fs_proto_dotl(v9ses))
+		return v9fs_inode_from_fid_dotl(v9ses, fid, sb, 1);
+	else
+		return v9fs_inode_from_fid(v9ses, fid, sb, 1);
 }
 
 #endif

fs/9p/v9fs_vfs.h

@@ -40,16 +40,13 @@ extern struct kmem_cache *v9fs_inode_cache;
 
 struct inode *v9fs_alloc_inode(struct super_block *sb);
 void v9fs_free_inode(struct inode *inode);
+struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode,
+			     dev_t rdev);
 void v9fs_set_netfs_context(struct inode *inode);
 int v9fs_init_inode(struct v9fs_session_info *v9ses,
-		    struct inode *inode, struct p9_qid *qid, umode_t mode, dev_t rdev);
+		    struct inode *inode, umode_t mode, dev_t rdev);
 void v9fs_evict_inode(struct inode *inode);
-#if (BITS_PER_LONG == 32)
-#define QID2INO(q) ((ino_t) (((q)->path+2) ^ (((q)->path) >> 32)))
-#else
-#define QID2INO(q) ((ino_t) ((q)->path+2))
-#endif
-
+ino_t v9fs_qid2ino(struct p9_qid *qid);
 void v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
 		      struct super_block *sb, unsigned int flags);
 void v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,

fs/9p/vfs_dir.c

@@ -127,7 +127,7 @@ static int v9fs_dir_readdir(struct file *file, struct dir_context *ctx)
 			}
 
 			over = !dir_emit(ctx, st.name, strlen(st.name),
-					QID2INO(&st.qid), dt_type(&st));
+					 v9fs_qid2ino(&st.qid), dt_type(&st));
 			p9stat_free(&st);
 			if (over)
 				return 0;
@@ -184,7 +184,7 @@ static int v9fs_dir_readdir_dotl(struct file *file, struct dir_context *ctx)
 
 			if (!dir_emit(ctx, curdirent.d_name,
 				      strlen(curdirent.d_name),
-				      QID2INO(&curdirent.qid),
+				      v9fs_qid2ino(&curdirent.qid),
 				      curdirent.d_type))
 				return 0;
 

fs/9p/vfs_inode.c

@@ -253,12 +253,9 @@ void v9fs_set_netfs_context(struct inode *inode)
 }
 
 int v9fs_init_inode(struct v9fs_session_info *v9ses,
-		    struct inode *inode, struct p9_qid *qid, umode_t mode, dev_t rdev)
+		    struct inode *inode, umode_t mode, dev_t rdev)
 {
 	int err = 0;
-	struct v9fs_inode *v9inode = V9FS_I(inode);
-
-	memcpy(&v9inode->qid, qid, sizeof(struct p9_qid));
 
 	inode_init_owner(&nop_mnt_idmap, inode, NULL, mode);
 	inode->i_blocks = 0;
@@ -334,6 +331,36 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
 
 }
 
+/**
+ * v9fs_get_inode - helper function to setup an inode
+ * @sb: superblock
+ * @mode: mode to setup inode with
+ * @rdev: The device numbers to set
+ */
+
+struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev)
+{
+	int err;
+	struct inode *inode;
+	struct v9fs_session_info *v9ses = sb->s_fs_info;
+
+	p9_debug(P9_DEBUG_VFS, "super block: %p mode: %ho\n", sb, mode);
+
+	inode = new_inode(sb);
+	if (!inode) {
+		pr_warn("%s (%d): Problem allocating inode\n",
+			__func__, task_pid_nr(current));
+		return ERR_PTR(-ENOMEM);
+	}
+	err = v9fs_init_inode(v9ses, inode, mode, rdev);
+	if (err) {
+		iput(inode);
+		return ERR_PTR(err);
+	}
+	v9fs_set_netfs_context(inode);
+	return inode;
+}
+
 /**
  * v9fs_evict_inode - Remove an inode from the inode cache
  * @inode: inode to release
@@ -344,57 +371,95 @@ void v9fs_evict_inode(struct inode *inode)
 	struct v9fs_inode __maybe_unused *v9inode = V9FS_I(inode);
 	__le32 __maybe_unused version;
 
-	if (!is_bad_inode(inode)) {
-		truncate_inode_pages_final(&inode->i_data);
+	truncate_inode_pages_final(&inode->i_data);
 
-		version = cpu_to_le32(v9inode->qid.version);
-		netfs_clear_inode_writeback(inode, &version);
+	version = cpu_to_le32(v9inode->qid.version);
+	netfs_clear_inode_writeback(inode, &version);
 
-		clear_inode(inode);
-		filemap_fdatawrite(&inode->i_data);
+	clear_inode(inode);
+	filemap_fdatawrite(&inode->i_data);
 
 #ifdef CONFIG_9P_FSCACHE
-		if (v9fs_inode_cookie(v9inode))
-			fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
+	fscache_relinquish_cookie(v9fs_inode_cookie(v9inode), false);
 #endif
-	} else
-		clear_inode(inode);
 }
 
-struct inode *v9fs_fid_iget(struct super_block *sb, struct p9_fid *fid)
+static int v9fs_test_inode(struct inode *inode, void *data)
+{
+	int umode;
+	dev_t rdev;
+	struct v9fs_inode *v9inode = V9FS_I(inode);
+	struct p9_wstat *st = (struct p9_wstat *)data;
+	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
+
+	umode = p9mode2unixmode(v9ses, st, &rdev);
+	/* don't match inode of different type */
+	if (inode_wrong_type(inode, umode))
+		return 0;
+
+	/* compare qid details */
+	if (memcmp(&v9inode->qid.version,
+		   &st->qid.version, sizeof(v9inode->qid.version)))
+		return 0;
+
+	if (v9inode->qid.type != st->qid.type)
+		return 0;
+
+	if (v9inode->qid.path != st->qid.path)
+		return 0;
+	return 1;
+}
+
+static int v9fs_test_new_inode(struct inode *inode, void *data)
+{
+	return 0;
+}
+
+static int v9fs_set_inode(struct inode *inode,  void *data)
+{
+	struct v9fs_inode *v9inode = V9FS_I(inode);
+	struct p9_wstat *st = (struct p9_wstat *)data;
+
+	memcpy(&v9inode->qid, &st->qid, sizeof(st->qid));
+	return 0;
+}
+
+static struct inode *v9fs_qid_iget(struct super_block *sb,
+				   struct p9_qid *qid,
+				   struct p9_wstat *st,
+				   int new)
 {
 	dev_t rdev;
 	int retval;
 	umode_t umode;
+	unsigned long i_ino;
 	struct inode *inode;
-	struct p9_wstat *st;
 	struct v9fs_session_info *v9ses = sb->s_fs_info;
+	int (*test)(struct inode *inode, void *data);
 
-	inode = iget_locked(sb, QID2INO(&fid->qid));
-	if (unlikely(!inode))
+	if (new)
+		test = v9fs_test_new_inode;
+	else
+		test = v9fs_test_inode;
+
+	i_ino = v9fs_qid2ino(qid);
+	inode = iget5_locked(sb, i_ino, test, v9fs_set_inode, st);
+	if (!inode)
 		return ERR_PTR(-ENOMEM);
 	if (!(inode->i_state & I_NEW))
 		return inode;
-
 	/*
 	 * initialize the inode with the stat info
 	 * FIXME!! we may need support for stale inodes
 	 * later.
 	 */
-	st = p9_client_stat(fid);
-	if (IS_ERR(st)) {
-		retval = PTR_ERR(st);
-		goto error;
-	}
-
+	inode->i_ino = i_ino;
 	umode = p9mode2unixmode(v9ses, st, &rdev);
-	retval = v9fs_init_inode(v9ses, inode, &fid->qid, umode, rdev);
-	v9fs_stat2inode(st, inode, sb, 0);
-	p9stat_free(st);
-	kfree(st);
+	retval = v9fs_init_inode(v9ses, inode, umode, rdev);
 	if (retval)
 		goto error;
 
+	v9fs_stat2inode(st, inode, sb, 0);
 	v9fs_set_netfs_context(inode);
 	v9fs_cache_inode_get_cookie(inode);
 	unlock_new_inode(inode);
@@ -405,6 +470,23 @@ struct inode *v9fs_fid_iget(struct super_block *sb, struct p9_fid *fid)
 
 }
 
+struct inode *
+v9fs_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
+		    struct super_block *sb, int new)
+{
+	struct p9_wstat *st;
+	struct inode *inode = NULL;
+
+	st = p9_client_stat(fid);
+	if (IS_ERR(st))
+		return ERR_CAST(st);
+
+	inode = v9fs_qid_iget(sb, &st->qid, st, new);
+	p9stat_free(st);
+	kfree(st);
+	return inode;
+}
+
 /**
  * v9fs_at_to_dotl_flags- convert Linux specific AT flags to
  * plan 9 AT flag.
@@ -551,7 +633,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 		/*
 		 * instantiate inode and assign the unopened fid to the dentry
 		 */
-		inode = v9fs_get_inode_from_fid(v9ses, fid, dir->i_sb);
+		inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
 		if (IS_ERR(inode)) {
 			err = PTR_ERR(inode);
 			p9_debug(P9_DEBUG_VFS,
@@ -679,8 +761,10 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
 		inode = NULL;
 	else if (IS_ERR(fid))
 		inode = ERR_CAST(fid);
-	else
+	else if (v9ses->cache & (CACHE_META|CACHE_LOOSE))
 		inode = v9fs_get_inode_from_fid(v9ses, fid, dir->i_sb);
+	else
+		inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
 	/*
 	 * If we had a rename on the server and a parallel lookup
 	 * for the new name, then make sure we instantiate with
@@ -1102,6 +1186,26 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
 	v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR;
 }
 
+/**
+ * v9fs_qid2ino - convert qid into inode number
+ * @qid: qid to hash
+ *
+ * BUG: potential for inode number collisions?
+ */
+
+ino_t v9fs_qid2ino(struct p9_qid *qid)
+{
+	u64 path = qid->path + 2;
+	ino_t i = 0;
+
+	if (sizeof(ino_t) == sizeof(path))
+		memcpy(&i, &path, sizeof(ino_t));
+	else
+		i = (ino_t) (path ^ (path >> 32));
+
+	return i;
+}
+
 /**
  * v9fs_vfs_get_link - follow a symlink path
  * @dentry: dentry for symlink