Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\quota\dquot.c Create Date:2022-07-28 20:32:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Following list functions expect dq_list_lock to be held

Proto:static inline void insert_dquot_hash(struct dquot *dquot)

Type:void

Parameter:

TypeParameterName
struct dquot *dquot
278  head = dquot_hash + hashfn( superblock this applies to , ID this applies to (uid, gid, projid) )
279  hlist_add_head( & Hash list in memory [dq_list_lock] , head)
Caller
NameDescribe
dqgetGet reference to dquot* Locking is slightly tricky here. We are guarded from parallel quotaoff()* destroying our dquot by:* a) checking for quota flags under dq_list_lock and* b) getting a reference to dquot before we release dq_list_lock