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_setquota

Proto:static int quota_setquota(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
280  If copy_from_user( & idq, addr, size of idq ) Then Return -EFAULT
282  If Not set_dqblk Then Return -ENOSYS
284  qid = make_kqid - Map a user-namespace, type, qid tuple into a kqid
285  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
287  copy_from_if_dqblk( & fdq, & idq)
288  Return set_dqblk(sb, qid, & fdq)
Caller
NameDescribe
do_quotactlCopy parameters and call proper function