函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\quota\quota_v2.c Create Date:2022-07-29 11:09:31
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：v2_write_dquot

函数原型：static int v2_write_dquot(struct dquot *dquot)

返回类型：int

参数：

类型参数名称
struct dquot *dquot
319  dqopt等于sb_dqopt( superblock this applies to )
321  bool alloc = false
329  如果非 Offset of dquot on disk [dq_lock, stable once set] 则
330  alloc = true
331  lock for writing
332  否则
333  lock for reading
335  ret等于qtree_write_dquot(dqi_priv, dquot)
338  如果alloc则lease a write lock
340  否则lease a read lock
342  返回:ret