submit_bh
Section: Kernel Hacker's Manual (9)
Updated: submit_bh
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NAME
submit_bh -
SYNOPSIS
void submit_bh
(int rw,
struct buffer_head *bh);
ARGUMENTS
- rw
-
whether to READ or WRITE, or maybe to READA (read ahead)
- bh
-
The struct buffer_head which describes the I/O
DESCRIPTION
submit_bh is very similar in purpose to generic_make_request, and
uses that function to do most of the work.
The extra functionality provided by submit_bh is to determine
b_rsector from b_blocknr and b_size, and to set b_rdev from b_dev.
This is is appropriate for IO requests that come from the buffer
cache and page cache which (currently) always use aligned blocks.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
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Time: 03:56:29 GMT, June 12, 2005