函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\notify\inotify\inotify_user.c Create Date:2022-07-29 10:49:24
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：inotify_add_to_idr

函数原型：static int inotify_add_to_idr(struct idr *idr, spinlock_t *idr_lock, struct inotify_inode_mark *i_mark)

返回类型：int

参数：

类型参数名称
struct idr *idr
spinlock_t *idr_lock
struct inotify_inode_mark *i_mark
362  dr_preload - preload for idr_alloc()*@gfp_mask: allocation mask to use for preloading* Preallocate memory to use for the next call to idr_alloc(). This function* returns with preemption disabled. It will be enabled by idr_preload_end().
363  加自旋锁
365  ret等于dr_alloc_cyclic() - Allocate an ID cyclically.*@idr: IDR handle.*@ptr: Pointer to be associated with the new ID.*@start: The minimum ID (inclusive).*@end: The maximum ID (exclusive).*@gfp: Memory allocation flags.
366  如果ret大于等于0则
368  wd等于ret
369  fsnotify_get_mark( & fsn_mark)
372  自旋锁解锁
373  dr_preload_end - end preload section started with idr_preload()* Each idr_preload() should be matched with an invocation of this* function. See idr_preload() for details.
374  返回:如果ret小于0则ret否则0
调用者
名称描述
inotify_new_watch