Loading block/blk-core.c +11 −10 Original line number Diff line number Diff line Loading @@ -884,9 +884,10 @@ EXPORT_SYMBOL(blk_get_request); /** * blk_make_request - given a bio, allocate a corresponding struct request. * * @q: target request queue * @bio: The bio describing the memory mappings that will be submitted for IO. * It may be a chained-bio properly constructed by block/bio layer. * @gfp_mask: gfp flags to be used for memory allocation * * blk_make_request is the parallel of generic_make_request for BLOCK_PC * type commands. Where the struct request needs to be farther initialized by Loading Loading @@ -1872,14 +1873,14 @@ EXPORT_SYMBOL(blk_fetch_request); /** * blk_update_request - Special helper function for request stacking drivers * @rq: the request being processed * @req: the request being processed * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete @rq * @nr_bytes: number of bytes to complete @req * * Description: * Ends I/O on a number of bytes attached to @rq, but doesn't complete * the request structure even if @rq doesn't have leftover. * If @rq has leftover, sets it up for the next range of segments. * Ends I/O on a number of bytes attached to @req, but doesn't complete * the request structure even if @req doesn't have leftover. * If @req has leftover, sets it up for the next range of segments. * * This special helper function is only for request stacking drivers * (e.g. request-based dm) so that they can handle partial completion. Loading Loading @@ -2145,7 +2146,7 @@ EXPORT_SYMBOL_GPL(blk_end_request); /** * blk_end_request_all - Helper function for drives to finish the request. * @rq: the request to finish * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Completely finish @rq. Loading @@ -2166,7 +2167,7 @@ EXPORT_SYMBOL_GPL(blk_end_request_all); /** * blk_end_request_cur - Helper function to finish the current request chunk. * @rq: the request to finish the current chunk for * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Complete the current consecutively mapped chunk from @rq. Loading Loading @@ -2203,7 +2204,7 @@ EXPORT_SYMBOL_GPL(__blk_end_request); /** * __blk_end_request_all - Helper function for drives to finish the request. * @rq: the request to finish * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Completely finish @rq. Must be called with queue lock held. Loading @@ -2224,7 +2225,7 @@ EXPORT_SYMBOL_GPL(__blk_end_request_all); /** * __blk_end_request_cur - Helper function to finish the current request chunk. * @rq: the request to finish the current chunk for * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Complete the current consecutively mapped chunk from @rq. Must Loading block/blk-settings.c +3 −3 Original line number Diff line number Diff line Loading @@ -343,7 +343,7 @@ EXPORT_SYMBOL(blk_queue_physical_block_size); /** * blk_queue_alignment_offset - set physical block alignment offset * @q: the request queue for the device * @alignment: alignment offset in bytes * @offset: alignment offset in bytes * * Description: * Some devices are naturally misaligned to compensate for things like Loading @@ -362,7 +362,7 @@ EXPORT_SYMBOL(blk_queue_alignment_offset); /** * blk_queue_io_min - set minimum request size for the queue * @q: the request queue for the device * @io_min: smallest I/O size in bytes * @min: smallest I/O size in bytes * * Description: * Some devices have an internal block size bigger than the reported Loading @@ -385,7 +385,7 @@ EXPORT_SYMBOL(blk_queue_io_min); /** * blk_queue_io_opt - set optimal request size for the queue * @q: the request queue for the device * @io_opt: optimal request size in bytes * @opt: optimal request size in bytes * * Description: * Drivers can call this function to set the preferred I/O request Loading Loading
block/blk-core.c +11 −10 Original line number Diff line number Diff line Loading @@ -884,9 +884,10 @@ EXPORT_SYMBOL(blk_get_request); /** * blk_make_request - given a bio, allocate a corresponding struct request. * * @q: target request queue * @bio: The bio describing the memory mappings that will be submitted for IO. * It may be a chained-bio properly constructed by block/bio layer. * @gfp_mask: gfp flags to be used for memory allocation * * blk_make_request is the parallel of generic_make_request for BLOCK_PC * type commands. Where the struct request needs to be farther initialized by Loading Loading @@ -1872,14 +1873,14 @@ EXPORT_SYMBOL(blk_fetch_request); /** * blk_update_request - Special helper function for request stacking drivers * @rq: the request being processed * @req: the request being processed * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete @rq * @nr_bytes: number of bytes to complete @req * * Description: * Ends I/O on a number of bytes attached to @rq, but doesn't complete * the request structure even if @rq doesn't have leftover. * If @rq has leftover, sets it up for the next range of segments. * Ends I/O on a number of bytes attached to @req, but doesn't complete * the request structure even if @req doesn't have leftover. * If @req has leftover, sets it up for the next range of segments. * * This special helper function is only for request stacking drivers * (e.g. request-based dm) so that they can handle partial completion. Loading Loading @@ -2145,7 +2146,7 @@ EXPORT_SYMBOL_GPL(blk_end_request); /** * blk_end_request_all - Helper function for drives to finish the request. * @rq: the request to finish * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Completely finish @rq. Loading @@ -2166,7 +2167,7 @@ EXPORT_SYMBOL_GPL(blk_end_request_all); /** * blk_end_request_cur - Helper function to finish the current request chunk. * @rq: the request to finish the current chunk for * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Complete the current consecutively mapped chunk from @rq. Loading Loading @@ -2203,7 +2204,7 @@ EXPORT_SYMBOL_GPL(__blk_end_request); /** * __blk_end_request_all - Helper function for drives to finish the request. * @rq: the request to finish * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Completely finish @rq. Must be called with queue lock held. Loading @@ -2224,7 +2225,7 @@ EXPORT_SYMBOL_GPL(__blk_end_request_all); /** * __blk_end_request_cur - Helper function to finish the current request chunk. * @rq: the request to finish the current chunk for * @err: %0 for success, < %0 for error * @error: %0 for success, < %0 for error * * Description: * Complete the current consecutively mapped chunk from @rq. Must Loading
block/blk-settings.c +3 −3 Original line number Diff line number Diff line Loading @@ -343,7 +343,7 @@ EXPORT_SYMBOL(blk_queue_physical_block_size); /** * blk_queue_alignment_offset - set physical block alignment offset * @q: the request queue for the device * @alignment: alignment offset in bytes * @offset: alignment offset in bytes * * Description: * Some devices are naturally misaligned to compensate for things like Loading @@ -362,7 +362,7 @@ EXPORT_SYMBOL(blk_queue_alignment_offset); /** * blk_queue_io_min - set minimum request size for the queue * @q: the request queue for the device * @io_min: smallest I/O size in bytes * @min: smallest I/O size in bytes * * Description: * Some devices have an internal block size bigger than the reported Loading @@ -385,7 +385,7 @@ EXPORT_SYMBOL(blk_queue_io_min); /** * blk_queue_io_opt - set optimal request size for the queue * @q: the request queue for the device * @io_opt: optimal request size in bytes * @opt: optimal request size in bytes * * Description: * Drivers can call this function to set the preferred I/O request Loading