Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\super.c Create Date:2022-07-28 20:02:31
Last Modify:2022-05-24 06:42:17 Copyright©Brick
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Name:We are going to return to userspace and forget about these locks, the* ownership goes to the caller of thaw_super() which does unlock().

Proto:static void lockdep_sb_freeze_release(struct super_block *sb)

Type:void

Parameter:

TypeParameterName
struct super_block *sb
1704  When level >= 0 cycle percpu_rwsem_release(rw_sem + level, 0, _THIS_IP_)
Caller
NameDescribe
freeze_superze_super - lock the filesystem and force it into a consistent state*@sb: the super to lock* Syncs the super to make sure the filesystem is consistent and calls the fs's* freeze_fs. Subsequent calls to this without first thawing the fs will return* -EBUSY.
thaw_super_locked