Function report |
Source Code:fs\splice.c |
Create Date:2022-07-28 20:11:24 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Check whether the contents of buf is OK to access. Since the content* is a page cache page, IO may be in flight.
Proto:static int page_cache_pipe_buf_confirm(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct pipe_inode_info * | pipe | |
struct pipe_buffer * | buf |
109 | If Not PageUptodate(page) Then |
116 | If Not See page-flags.h for PAGE_MAPPING_FLAGS Then |
124 | If Not PageUptodate(page) Then |
135 | Return 0 |
136 | error : |
138 | Return err |
Source code conversion tool public plug-in interface | X |
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