函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\dax.c Create Date:2022-07-29 10:56:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:put_unlocked_entry

函数原型:static void put_unlocked_entry(struct xa_state *xas, void *entry)

返回类型:void

参数:

类型参数名称
struct xa_state *xas
void *entry
270  如果entry且非rue if the entry that was found is of a smaller order than the entry* we were looking for@entry may no longer be the entry at the index in the mapping.* The important information it's conveying is whether the entry at* this index used to be a PMD entry.
调用者
名称描述
dax_layout_busy_pagedax_layout_busy_page - find first pinned page in @mapping*@mapping: address space to scan for a page with ref count > 1* DAX requires ZONE_DEVICE mapped pages. These pages are never* 'onlined' to the page allocator so they are considered idle when
__dax_invalidate_entry
dax_writeback_one
dax_insert_pfn_mkwritedax_insert_pfn_mkwrite - insert PTE or PMD entry into page tables*@vmf: The description of the fault*@pfn: PFN to insert*@order: Order of entry to insert.* This function inserts a writeable PTE or PMD entry into the page tables* for an mmaped DAX file