函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\namespace.c Create Date:2022-07-29 10:39:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：do_umount_root

函数原型：static int do_umount_root(struct super_block *sb)

返回类型：int

参数：

类型参数名称
struct super_block *sb
1485  ret等于0
1487  lock for writing
1488  如果非sb_rdonly(sb)则
1491  fc等于fs_context_for_reconfigure(s_root, Mount read-only , Mount read-only )
1493  如果是错误则
1494  ret等于错误
1495  否则
1496  ret等于parse_monolithic_mount_data(fc, NULL)
1497  如果非ret则ret等于gure_super - asks filesystem to change superblock parameters*@fc: The superblock and configuration* Alters the configuration parameters of a live superblock.
1499  put_fs_context - Dispose of a superblock configuration context.*@fc: The context to dispose of.
1502  lease a write lock
1503  返回:ret
调用者
名称描述
do_umount