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authorChristoph Hellwig <hch@lst.de>2020-11-23 13:38:40 +0100
committerJens Axboe <axboe@kernel.dk>2020-12-01 14:53:39 -0700
commit4e7b5671c6a883d94b5428e1a9c141bbd56cb2a6 (patch)
tree862980514dedf92e87aa3ec651f5be306f207390 /drivers/target
parent7918f0f6fdafa1e52c2d77c537cb55ef25fb69a3 (diff)
block: remove i_bdev
Switch the block device lookup interfaces to directly work with a dev_t so that struct block_device references are only acquired by the blkdev_get variants (and the blk-cgroup special case). This means that we now don't need an extra reference in the inode and can generally simplify handling of struct block_device to keep the lookups contained in the core block layer code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Coly Li <colyli@suse.de> [bcache] Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/target_core_file.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 7143d03f0e02..b0cb5b95e892 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -133,10 +133,10 @@ 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(inode->i_bdev);
+ struct request_queue *q = bdev_get_queue(I_BDEV(inode));
unsigned long long dev_size;
- fd_dev->fd_block_size = bdev_logical_block_size(inode->i_bdev);
+ fd_dev->fd_block_size = bdev_logical_block_size(I_BDEV(inode));
/*
* Determine the number of bytes from i_size_read() minus
* one (1) logical sector from underlying struct block_device
@@ -559,7 +559,7 @@ fd_execute_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb)
if (S_ISBLK(inode->i_mode)) {
/* The backend is block device, use discard */
- struct block_device *bdev = inode->i_bdev;
+ struct block_device *bdev = I_BDEV(inode);
struct se_device *dev = cmd->se_dev;
ret = blkdev_issue_discard(bdev,