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 10:32:26
Last Modify:2022-05-24 06:42:17 Copyright©Brick
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函数名称：thaw_super_locked

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

返回类型：int

参数：

类型参数名称
struct super_block *sb
1833  如果frozen不等于SB_FREEZE_COMPLETE则
1834  lease a write lock
1835  返回:负EINVAL
1838  如果sb_rdonly(sb)则
1839  frozen等于SB_UNFROZEN
1840  转到:out
1843  Tell lockdep we are holding these locks before we call ->unfreeze_fs(sb).
1845  如果unfreeze_fs则
1846  error等于unfreeze_fs(sb)
1847  如果error则
1848  printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
1850  We are going to return to userspace and forget about these locks, the* ownership goes to the caller of thaw_super() which does unlock().
1851  lease a write lock
1852  返回:error
1856  frozen等于SB_UNFROZEN
1857  sb_freeze_unlock(sb)
1858  out :
1859  wake_up( & wait_unfrozen)
1860  deactivate_locked_super - drop an active reference to superblock*@s: superblock to deactivate* Drops an active reference to superblock, converting it into a temporary* one if there is no other active references left
1861  返回:0
调用者
名称描述
do_thaw_all_callback
thaw_super