Function report |
Source Code:kernel\ucount.c |
Create Date:2022-07-28 09:34:13 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:get_ucounts
Proto:static struct ucounts *get_ucounts(struct user_namespace *ns, kuid_t uid)
Type:struct ucounts
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct user_namespace * | ns | |
| kuid_t | uid |
| 127 | hashent = ucounts_hashentry(ns, uid) |
| 130 | spin_lock_irq( & ucounts_lock) |
| 131 | ucounts = find_ucounts(ns, uid, hashent) |
| 132 | If Not ucounts Then |
| 133 | spin_unlock_irq( & ucounts_lock) |
| 135 | new = kzalloc - allocate memory. The memory is set to zero.*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc). |
| 136 | If Not new Then Return NULL |
| 141 | count = 0 |
| 143 | spin_lock_irq( & ucounts_lock) |
| 144 | ucounts = find_ucounts(ns, uid, hashent) |
| 145 | If ucounts Then |
| 147 | Else |
| 148 | hlist_add_head( & node, hashent) |
| 154 | Else count += 1 |
| 156 | spin_unlock_irq( & ucounts_lock) |
| 157 | Return ucounts |
| Name | Describe |
|---|---|
| inc_ucount |
| Source code conversion tool public plug-in interface | X |
|---|---|
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