Linux 核心應用程式介面 :: The Linux Kernel API
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end_that_request_first

Name

end_that_request_first --  end I/O on one buffer.

Synopsis

int end_that_request_first (struct request * req, int uptodate, char * name);

Arguments

req

the request being processed

uptodate

0 for I/O error

name

the name printed for an I/O error

Description

Ends I/O on the first buffer attached to req, and sets it up for the next buffer_head (if any) in the cluster.

Return

0 - we are done with this request, call end_that_request_last 1 - still buffers pending for this request

Caveat

Drivers implementing their own end_request handling must call blk_finished_io appropriately.

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