inode_read_congested

函数名称：inode_read_congested

函数原型：static inline int inode_read_congested(struct inode *inode)

返回类型：int

参数：

类型	参数	名称
struct inode *	inode

**调用者**
名称	描述
page_cache_async_readahead	page_cache_async_readahead - file readahead for marked pages@mapping: address_space which holds the pagecache and I/O vectors@ra: file_ra_state which holds the readahead state@filp: passed on to ->readpage() and ->readpages()@page: the page at @offset
swap_cluster_readahead	swap_cluster_readahead - swap in pages in hope we need them soon@entry: swap entry of this memory@gfp_mask: memory allocation flags@vmf: fault information Returns the struct page for entry and addr, after queueing swapin.

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