Function report |
Source Code:include\linux\xarray.h |
Create Date:2022-07-28 05:42:18 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:xas_set_order() - Set up XArray operation state for a multislot entry.*@xas: XArray operation state.*@index: Target of the operation.*@order: Entry occupies 2^@order indices.
Proto:static inline void xas_set_order(struct xa_state *xas, unsigned long index, unsigned int order)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct xa_state * | xas | |
unsigned long | index | |
unsigned int | order |
1558 | xa_sibs = (1 << order % The xarray is constructed out of a set of 'chunks' of pointers ) - 1 |
1559 | xa_node = XAS_RESTART |
Name | Describe |
---|---|
xa_store_range | xa_store_range() - Store this entry at a range of indices in the XArray |
page_cache_delete | Lock ordering:* ->i_mmap_rwsem (truncate_pagecache)* ->private_lock (__free_pte->__set_page_dirty_buffers)* ->swap_lock (exclusive_swap_page, others)* ->i_pages lock* ->i_mutex* ->i_mmap_rwsem (truncate->unmap_mapping_range)* ->mmap_sem* ->i_mmap_rwsem |
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