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 11:08:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Generic helper for ->open on filesystems supporting disk quotas.

函数原型：int dquot_file_open(struct inode *inode, struct file *file)

返回类型：int

参数：

类型参数名称
struct inode *inode
struct file *file
2158  error等于Called when an inode is about to be open.* We use this to disallow opening large files on 32bit systems if* the caller didn't specify O_LARGEFILE. On 64bit systems we force* on this flag in sys_open.
2159  如果非error且f_mode按位与le is open for writing 则error等于dquot_initialize(inode)
2161  返回:error