Function report |
Source Code:fs\file_table.c |
Create Date:2022-07-28 20:01:51 |
Last Modify:2020-03-18 10:20:10 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:__alloc_file
Proto:static struct file *__alloc_file(int flags, const struct cred *cred)
Type:struct file
Parameter:
Type | Parameter | Name |
---|---|---|
int | flags | |
const struct cred * | cred |
102 | If Value for the false possibility is greater at compile time(!f) Then Return ERR_PTR( - ENOMEM) |
106 | error = security_file_alloc(f) |
108 | file_free_rcu( & fu_rcuhead) |
112 | atomic_long_set( & f_count, 1) |
113 | rwlock_init( & lock) |
114 | Process spin lock initialization( & * Protects f_ep_links, f_flags. * Must not be taken from IRQ context.) |
115 | mutex_init - initialize the mutex*@mutex: the mutex to be initialized* Initialize the mutex to unlocked state.* It is not allowed to initialize an already locked mutex.( & f_pos_lock) |
118 | f_mode = OPEN_FMODE(flags) |
121 | Return f |
Name | Describe |
---|---|
alloc_empty_file | Find an unused file structure and return a pointer to it |
alloc_empty_file_noaccount | Variant of alloc_empty_file() that doesn't check and modify nr_files.* Should not be used unless there's a very good reason to do so. |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |