函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\super.c Create Date:2022-07-29 10:32:22
Last Modify:2022-05-24 06:42:17 Copyright©Brick
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函数名称:drop_super

函数原型:void drop_super(struct super_block *sb)

返回类型:void

参数:

类型参数名称
struct super_block *sb
638  lease a read lock
639  put_super - drop a temporary reference to superblock*@sb: superblock in question* Drops a temporary reference, frees superblock if there's no* references left.
调用者
名称描述
vfs_ustat
fsync_bdevWrite out and wait upon all dirty data associated with this* device. Filesystem data as well as the underlying block* device. Takes the superblock lock.
freeze_bdevze_bdev -- lock a filesystem and force it into a consistent state*@bdev: blockdevice to lock* If a superblock is found on this device, we take the s_umount semaphore* on it to make sure nobody unmounts until the snapshot creation is done
__invalidate_device
kernel_quotactlThis is the system call interface. This communicates with* the user-level programs. Currently this only supports diskquota* calls. Maybe we need to add the process quotas etc. in the future,* but we probably should use rlimits for that.