Function report |
Source Code:include\linux\highmem.h |
Create Date:2022-07-28 05:44:54 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:zero_user
Proto:static inline void zero_user(struct page *page, unsigned start, unsigned size)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct page * | page | |
unsigned | start | |
unsigned | size |
245 | zero_user_segments(page, start, start + size, 0, 0) |
Name | Describe |
---|---|
bio_truncate | _truncate - truncate the bio to small size of @new_size*@bio: the bio to be truncated*@new_size: new size for truncating the bio* Description:* Truncate the bio to new size of @new_size. If bio_op(bio) is* REQ_OP_READ, zero the truncated part |
simple_write_end | simple_write_end - .write_end helper for non-block-device FSes*@file: See .write_end of address_space_operations*@mapping: "*@pos: "*@len: "*@copied: "*@page: "*@fsdata: "* simple_write_end does the minimum needed for updating a page after writing is |
page_zero_new_buffers | If a page has any new buffers, zero them out here, and mark them uptodate* and dirty so they'll be written out (in order to prevent uninitialised* block data from leaking). And clear the new bit. |
block_read_full_page | Generic "read page" function for block devices that have the normal* get_block functionality |
cont_expand_zero | |
nobh_truncate_page | |
block_truncate_page | |
do_direct_IO | Walk the user pages, and the file, mapping blocks to disk and generating* a sequence of (page,offset,len,block) mappings. These mappings are injected* into submit_page_section(), which takes care of the next stage of submission |
iomap_readpage_actor | |
iomap_zero |
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