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target: Make spc_get_write_same_sectors return sector_t

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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 <[email protected]>
Cc: Martin K. Petersen <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
Nicholas Bellinger 2012-11-27 19:07:52 -08:00
commit ffe0067544
3 changed files with 3 additions and 3 deletions
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2
drivers/target/target_core_iblock.c
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@ -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];

2
drivers/target/target_core_sbc.c
View file

@ -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;