From ffe0067544f93c0e71c793d7f17240486d091a3c Mon Sep 17 00:00:00 2001 From: Nicholas Bellinger Date: Tue, 27 Nov 2012 19:07:52 -0800 Subject: target: Make spc_get_write_same_sectors return sector_t We already expect TFO->get_blocks() to return sector_t for zero value case when doing WRITE_SAME to the end of the backend device, so go ahead and return sector_t from spc_get_write_same_sectors() to handle this case properly. Also, update the single iblock_execute_write_same() caller of this code. Cc: Christoph Hellwig Cc: Martin K. Petersen Signed-off-by: Nicholas Bellinger diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 34f258b..b526d23 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -481,7 +481,7 @@ iblock_execute_write_same(struct se_cmd *cmd) struct bio *bio; struct bio_list list; sector_t block_lba = cmd->t_task_lba; - unsigned int sectors = spc_get_write_same_sectors(cmd); + sector_t sectors = spc_get_write_same_sectors(cmd); sg = &cmd->t_data_sg[0]; diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 94fd004..26a6d18 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -107,7 +107,7 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) return 0; } -int spc_get_write_same_sectors(struct se_cmd *cmd) +sector_t spc_get_write_same_sectors(struct se_cmd *cmd) { u32 num_blocks; diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index 3393ab1..5079109 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -52,7 +52,7 @@ void target_complete_cmd(struct se_cmd *, u8); sense_reason_t spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd); -int spc_get_write_same_sectors(struct se_cmd *cmd); +sector_t spc_get_write_same_sectors(struct se_cmd *cmd); sense_reason_t sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops); u32 sbc_get_device_rev(struct se_device *dev); -- cgit v0.10.2