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 11:09:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Generic routine for getting common part of quota structure

函数原型：static void do_get_dqblk(struct dquot *dquot, struct qc_dqblk *di)

返回类型：void

参数：

类型参数名称
struct dquot *dquot
struct qc_dqblk *di
2594  dm等于 Diskquota usage [dq_dqb_lock]
2596  memset(di, 0, di的长度)
2597  加自旋锁
2598  absolute limit on used space 等于absolute limit on disk blks alloc
2599  preferred limit on used space 等于preferred limit on disk blks
2600  maximum # allocated inodes 等于absolute limit on allocated inodes
2601  preferred inode limit 等于preferred inode limit
2602  Space owned by the user 等于current used space 加current reserved space for delalloc
2603  # inodes owned by the user 等于current # allocated inodes
2604  similar to above; for space 等于ime limit for excessive disk use
2605  zero if within inode limits 等于ime limit for excessive inode use
2606  自旋锁解锁
调用者
名称描述
dquot_get_dqblk
dquot_get_next_dqblk