add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/f2fs/xattr.c
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@@ -39,12 +39,12 @@
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 	if (is_inline)
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 		kmem_cache_free(sbi->inline_xattr_slab, xattr_addr);
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 	else
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-		kvfree(xattr_addr);
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+		kfree(xattr_addr);
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 }
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 static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
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 		struct dentry *unused, struct inode *inode,
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-		const char *name, void *buffer, size_t size)
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+		const char *name, void *buffer, size_t size, int flags)
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 {
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 	struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
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@@ -99,7 +99,7 @@
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 static int f2fs_xattr_advise_get(const struct xattr_handler *handler,
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 		struct dentry *unused, struct inode *inode,
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-		const char *name, void *buffer, size_t size)
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+		const char *name, void *buffer, size_t size, int flags)
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 {
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 	if (buffer)
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 		*((char *)buffer) = F2FS_I(inode)->i_advise;
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@@ -175,8 +175,8 @@
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 const struct xattr_handler f2fs_xattr_advise_handler = {
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 	.name	= F2FS_SYSTEM_ADVISE_NAME,
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 	.flags	= F2FS_XATTR_INDEX_ADVISE,
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-	.get    = f2fs_xattr_advise_get,
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-	.set    = f2fs_xattr_advise_set,
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+	.get	= f2fs_xattr_advise_get,
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+	.set	= f2fs_xattr_advise_set,
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 };
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 const struct xattr_handler f2fs_xattr_security_handler = {
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@@ -327,7 +327,7 @@
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 	void *last_addr = NULL;
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 	nid_t xnid = F2FS_I(inode)->i_xattr_nid;
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 	unsigned int inline_size = inline_xattr_size(inode);
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-	int err = 0;
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+	int err;
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 	if (!xnid && !inline_size)
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 		return -ENODATA;
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@@ -425,7 +425,7 @@
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 	*base_addr = txattr_addr;
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 	return 0;
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 fail:
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-	kvfree(txattr_addr);
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+	kfree(txattr_addr);
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 	return err;
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 }
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@@ -486,6 +486,7 @@
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 		f2fs_wait_on_page_writeback(xpage, NODE, true, true);
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 	} else {
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 		struct dnode_of_data dn;
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+
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 		set_new_dnode(&dn, inode, NULL, NULL, new_nid);
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 		xpage = f2fs_new_node_page(&dn, XATTR_NODE_OFFSET);
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 		if (IS_ERR(xpage)) {
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@@ -515,7 +516,7 @@
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 		void *buffer, size_t buffer_size, struct page *ipage)
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 {
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 	struct f2fs_xattr_entry *entry = NULL;
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-	int error = 0;
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+	int error;
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 	unsigned int size, len;
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 	void *base_addr = NULL;
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 	int base_size;
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@@ -528,10 +529,10 @@
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 	if (len > F2FS_NAME_LEN)
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 		return -ERANGE;
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-	down_read(&F2FS_I(inode)->i_xattr_sem);
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+	f2fs_down_read(&F2FS_I(inode)->i_xattr_sem);
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 	error = lookup_all_xattrs(inode, ipage, index, len, name,
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 				&entry, &base_addr, &base_size, &is_inline);
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-	up_read(&F2FS_I(inode)->i_xattr_sem);
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+	f2fs_up_read(&F2FS_I(inode)->i_xattr_sem);
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 	if (error)
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 		return error;
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@@ -562,12 +563,12 @@
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 	struct inode *inode = d_inode(dentry);
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 	struct f2fs_xattr_entry *entry;
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 	void *base_addr, *last_base_addr;
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-	int error = 0;
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+	int error;
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 	size_t rest = buffer_size;
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-	down_read(&F2FS_I(inode)->i_xattr_sem);
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+	f2fs_down_read(&F2FS_I(inode)->i_xattr_sem);
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 	error = read_all_xattrs(inode, NULL, &base_addr);
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-	up_read(&F2FS_I(inode)->i_xattr_sem);
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+	f2fs_up_read(&F2FS_I(inode)->i_xattr_sem);
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 	if (error)
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 		return error;
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@@ -610,7 +611,7 @@
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 	}
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 	error = buffer_size - rest;
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 cleanup:
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-	kvfree(base_addr);
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+	kfree(base_addr);
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 	return error;
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 }
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@@ -632,7 +633,7 @@
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 	int found, newsize;
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 	size_t len;
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 	__u32 new_hsize;
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-	int error = 0;
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+	int error;
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 	if (name == NULL)
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 		return -EINVAL;
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@@ -673,7 +674,7 @@
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 		}
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 		if (value && f2fs_xattr_value_same(here, value, size))
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-			goto exit;
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+			goto same;
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 	} else if ((flags & XATTR_REPLACE)) {
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 		error = -ENODATA;
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 		goto exit;
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@@ -683,6 +684,8 @@
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 	while (!IS_XATTR_LAST_ENTRY(last)) {
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 		if ((void *)(last) + sizeof(__u32) > last_base_addr ||
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 			(void *)XATTR_NEXT_ENTRY(last) > last_base_addr) {
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+			f2fs_err(F2FS_I_SB(inode), "inode (%lu) has invalid last xattr entry, entry_size: %zu",
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+					inode->i_ino, ENTRY_SIZE(last));
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 			set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
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 			error = -EFSCORRUPTED;
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 			goto exit;
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@@ -745,19 +748,22 @@
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 	if (error)
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 		goto exit;
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-	if (is_inode_flag_set(inode, FI_ACL_MODE)) {
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-		inode->i_mode = F2FS_I(inode)->i_acl_mode;
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-		inode->i_ctime = current_time(inode);
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-		clear_inode_flag(inode, FI_ACL_MODE);
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-	}
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 	if (index == F2FS_XATTR_INDEX_ENCRYPTION &&
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 			!strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT))
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 		f2fs_set_encrypted_inode(inode);
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 	f2fs_mark_inode_dirty_sync(inode, true);
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 	if (!error && S_ISDIR(inode->i_mode))
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 		set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP);
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+
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+same:
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+	if (is_inode_flag_set(inode, FI_ACL_MODE)) {
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+		inode->i_mode = F2FS_I(inode)->i_acl_mode;
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+		inode->i_ctime = current_time(inode);
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+		clear_inode_flag(inode, FI_ACL_MODE);
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+	}
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+
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 exit:
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-	kvfree(base_addr);
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+	kfree(base_addr);
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 	return error;
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 }
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..
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@@ -784,9 +790,9 @@
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 	f2fs_balance_fs(sbi, true);
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 	f2fs_lock_op(sbi);
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-	down_write(&F2FS_I(inode)->i_xattr_sem);
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+	f2fs_down_write(&F2FS_I(inode)->i_xattr_sem);
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 	err = __f2fs_setxattr(inode, index, name, value, size, ipage, flags);
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-	up_write(&F2FS_I(inode)->i_xattr_sem);
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+	f2fs_up_write(&F2FS_I(inode)->i_xattr_sem);
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 	f2fs_unlock_op(sbi);
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 	f2fs_update_time(sbi, REQ_TIME);