函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\crypto\crypto.c Create Date:2022-07-29 10:56:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：scrypt_free_bounce_page() - free a ciphertext bounce page* Free a bounce page that was allocated by fscrypt_encrypt_pagecache_blocks(),* or by fscrypt_alloc_bounce_page() directly.

函数原型：void fscrypt_free_bounce_page(struct page *bounce_page)

返回类型：void

参数：

类型参数名称
struct page *bounce_page
65  如果非bounce_page则返回
67  set_page_private(bounce_page, (unsignedlong)NULL)
68  Private page markings that may be used by the filesystem that owns the page* for its own purposes.* - PG_private and PG_private_2 cause releasepage() and co to be invoked
69  mempool_free - return an element to the pool.*@element: pool element pointer.*@pool: pointer to the memory pool which was allocated via* mempool_create().* this function only sleeps if the free_fn() function sleeps.
调用者
名称描述
fscrypt_encrypt_pagecache_blocksscrypt_encrypt_pagecache_blocks() - Encrypt filesystem blocks from a pagecache page*@page: The locked pagecache page containing the block(s) to encrypt*@len: Total size of the block(s) to encrypt. Must be a nonzero* multiple of the filesystem's block size.
fscrypt_zeroout_range