函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\quota\dquot.c Create Date:2022-07-29 11:08:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：info_bdq_free

函数原型：static int info_bdq_free(struct dquot *dquot, qsize_t space)

返回类型：int

参数：

类型参数名称
struct dquot *dquot
qsize_tspace
1400  tspace等于current used space 加current reserved space for delalloc
1402  如果st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from或tspace小于等于preferred limit on disk blks 则返回:Definitions for quota netlink interface
1406  如果tspace减space小于等于preferred limit on disk blks 则返回:Usage got below block softlimit
1408  如果tspace大于等于absolute limit on disk blks alloc 且tspace减space小于absolute limit on disk blks alloc 则返回:Usage got below block hardlimit
1411  返回:Definitions for quota netlink interface
调用者
名称描述
__dquot_free_spaceThis operation can block, but only after everything is updated
__dquot_transferTransfer the number of inode and blocks from one diskquota to an other