diff options
Diffstat (limited to 'drivers/target/target_core_file.c')
| -rw-r--r-- | drivers/target/target_core_file.c | 57 |
1 files changed, 9 insertions, 48 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index bc1b33639b8d..67cd6fe05bfa 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -26,13 +26,13 @@ * ******************************************************************************/ -#include <linux/version.h> #include <linux/string.h> #include <linux/parser.h> #include <linux/timer.h> #include <linux/blkdev.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <linux/module.h> #include <scsi/scsi.h> #include <scsi/scsi_host.h> @@ -273,13 +273,14 @@ fd_alloc_task(unsigned char *cdb) static int fd_do_readv(struct se_task *task) { struct fd_request *req = FILE_REQ(task); - struct fd_dev *dev = req->fd_task.se_dev->dev_ptr; + struct se_device *se_dev = req->fd_task.task_se_cmd->se_dev; + struct fd_dev *dev = se_dev->dev_ptr; struct file *fd = dev->fd_file; struct scatterlist *sg = task->task_sg; struct iovec *iov; mm_segment_t old_fs; loff_t pos = (task->task_lba * - task->se_dev->se_sub_dev->se_dev_attrib.block_size); + se_dev->se_sub_dev->se_dev_attrib.block_size); int ret = 0, i; iov = kzalloc(sizeof(struct iovec) * task->task_sg_nents, GFP_KERNEL); @@ -325,13 +326,14 @@ static int fd_do_readv(struct se_task *task) static int fd_do_writev(struct se_task *task) { struct fd_request *req = FILE_REQ(task); - struct fd_dev *dev = req->fd_task.se_dev->dev_ptr; + struct se_device *se_dev = req->fd_task.task_se_cmd->se_dev; + struct fd_dev *dev = se_dev->dev_ptr; struct file *fd = dev->fd_file; struct scatterlist *sg = task->task_sg; struct iovec *iov; mm_segment_t old_fs; loff_t pos = (task->task_lba * - task->se_dev->se_sub_dev->se_dev_attrib.block_size); + se_dev->se_sub_dev->se_dev_attrib.block_size); int ret, i = 0; iov = kzalloc(sizeof(struct iovec) * task->task_sg_nents, GFP_KERNEL); @@ -399,33 +401,6 @@ static void fd_emulate_sync_cache(struct se_task *task) } /* - * Tell TCM Core that we are capable of WriteCache emulation for - * an underlying struct se_device. - */ -static int fd_emulated_write_cache(struct se_device *dev) -{ - return 1; -} - -static int fd_emulated_dpo(struct se_device *dev) -{ - return 0; -} -/* - * Tell TCM Core that we will be emulating Forced Unit Access (FUA) for WRITEs - * for TYPE_DISK. - */ -static int fd_emulated_fua_write(struct se_device *dev) -{ - return 1; -} - -static int fd_emulated_fua_read(struct se_device *dev) -{ - return 0; -} - -/* * WRITE Force Unit Access (FUA) emulation on a per struct se_task * LBA range basis.. */ @@ -608,17 +583,6 @@ static ssize_t fd_show_configfs_dev_params( return bl; } -/* fd_get_cdb(): (Part of se_subsystem_api_t template) - * - * - */ -static unsigned char *fd_get_cdb(struct se_task *task) -{ - struct fd_request *req = FILE_REQ(task); - - return req->fd_scsi_cdb; -} - /* fd_get_device_rev(): (Part of se_subsystem_api_t template) * * @@ -650,15 +614,13 @@ static struct se_subsystem_api fileio_template = { .name = "fileio", .owner = THIS_MODULE, .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV, + .write_cache_emulated = 1, + .fua_write_emulated = 1, .attach_hba = fd_attach_hba, .detach_hba = fd_detach_hba, .allocate_virtdevice = fd_allocate_virtdevice, .create_virtdevice = fd_create_virtdevice, .free_device = fd_free_device, - .dpo_emulated = fd_emulated_dpo, - .fua_write_emulated = fd_emulated_fua_write, - .fua_read_emulated = fd_emulated_fua_read, - .write_cache_emulated = fd_emulated_write_cache, .alloc_task = fd_alloc_task, .do_task = fd_do_task, .do_sync_cache = fd_emulate_sync_cache, @@ -666,7 +628,6 @@ static struct se_subsystem_api fileio_template = { .check_configfs_dev_params = fd_check_configfs_dev_params, .set_configfs_dev_params = fd_set_configfs_dev_params, .show_configfs_dev_params = fd_show_configfs_dev_params, - .get_cdb = fd_get_cdb, .get_device_rev = fd_get_device_rev, .get_device_type = fd_get_device_type, .get_blocks = fd_get_blocks, |