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authorChristoph Hellwig <hch@lst.de>2022-04-15 06:52:33 +0200
committerJens Axboe <axboe@kernel.dk>2022-04-17 19:49:58 -0600
commit817e8b51eb3d927ce6d56ecf9f48bc3c5b26168b (patch)
tree722bac3bc07a22d83406554e9917feef3b374eeb
parenttarget: remove an incorrect unmap zeroes data deduction (diff)
downloadlinux-dev-817e8b51eb3d927ce6d56ecf9f48bc3c5b26168b.tar.xz
linux-dev-817e8b51eb3d927ce6d56ecf9f48bc3c5b26168b.zip
target: pass a block_device to target_configure_unmap_from_queue
The SCSI target drivers is a consumer of the block layer and shoul d generally work on struct block_device. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Link: https://lore.kernel.org/r/20220415045258.199825-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--drivers/target/target_core_device.c5
-rw-r--r--drivers/target/target_core_file.c7
-rw-r--r--drivers/target/target_core_iblock.c2
-rw-r--r--include/target/target_core_backend.h4
4 files changed, 10 insertions, 8 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index fa866acef5bb..3a1ec705cd80 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -834,9 +834,10 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
* in ATA and we need to set TPE=1
*/
bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib,
- struct request_queue *q)
+ struct block_device *bdev)
{
- int block_size = queue_logical_block_size(q);
+ struct request_queue *q = bdev_get_queue(bdev);
+ int block_size = bdev_logical_block_size(bdev);
if (!blk_queue_discard(q))
return false;
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 8190b840065f..8d191fdc3321 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -134,10 +134,11 @@ static int fd_configure_device(struct se_device *dev)
*/
inode = file->f_mapping->host;
if (S_ISBLK(inode->i_mode)) {
- struct request_queue *q = bdev_get_queue(I_BDEV(inode));
+ struct block_device *bdev = I_BDEV(inode);
+ struct request_queue *q = bdev_get_queue(bdev);
unsigned long long dev_size;
- fd_dev->fd_block_size = bdev_logical_block_size(I_BDEV(inode));
+ fd_dev->fd_block_size = bdev_logical_block_size(bdev);
/*
* Determine the number of bytes from i_size_read() minus
* one (1) logical sector from underlying struct block_device
@@ -150,7 +151,7 @@ static int fd_configure_device(struct se_device *dev)
dev_size, div_u64(dev_size, fd_dev->fd_block_size),
fd_dev->fd_block_size);
- if (target_configure_unmap_from_queue(&dev->dev_attrib, q))
+ if (target_configure_unmap_from_queue(&dev->dev_attrib, bdev))
pr_debug("IFILE: BLOCK Discard support available,"
" disabled by default\n");
/*
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 87ede165ddba..b886ce1770bf 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -119,7 +119,7 @@ static int iblock_configure_device(struct se_device *dev)
dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q);
dev->dev_attrib.hw_queue_depth = q->nr_requests;
- if (target_configure_unmap_from_queue(&dev->dev_attrib, q))
+ if (target_configure_unmap_from_queue(&dev->dev_attrib, bd))
pr_debug("IBLOCK: BLOCK Discard support available,"
" disabled by default\n");
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index 675f3a1fe613..773963a1e0b5 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -14,7 +14,7 @@
#define TRANSPORT_FLAG_PASSTHROUGH_ALUA 0x2
#define TRANSPORT_FLAG_PASSTHROUGH_PGR 0x4
-struct request_queue;
+struct block_device;
struct scatterlist;
struct target_backend_ops {
@@ -117,7 +117,7 @@ sense_reason_t passthrough_parse_cdb(struct se_cmd *cmd,
bool target_sense_desc_format(struct se_device *dev);
sector_t target_to_linux_sector(struct se_device *dev, sector_t lb);
bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib,
- struct request_queue *q);
+ struct block_device *bdev);
static inline bool target_dev_configured(struct se_device *se_dev)
{