Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\quota\quota.c Create Date:2022-07-28 20:33:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:quota_getquota

Proto:static int quota_getquota(struct super_block *sb, int type, qid_t id, void __user *addr)

Type:int

Parameter:

TypeParameterName
struct super_block *sb
inttype
qid_tid
void __user *addr
205  If Not get_dqblk Then Return -ENOSYS
207  qid = make_kqid - Map a user-namespace, type, qid tuple into a kqid
208  If Not qid_has_mapping - Report if a qid maps into a user namespace.*@ns: The user namespace to see if a value maps into.*@qid: The kernel internal quota identifier to test. Then Return -EINVAL
210  ret = get_dqblk(sb, qid, & fdq)
211  If ret Then Return ret
213  copy_to_if_dqblk( & idq, & fdq)
214  If copy_to_user(addr, & idq, size of idq ) Then Return -EFAULT
216  Return 0
Caller
NameDescribe
do_quotactlCopy parameters and call proper function