'dm_dev->bdev_file', it's ok to get inode from the file.
There are no functional changes, prepare to remove 'bd_inode' from
block_device.
Suggested-by: Jan Kara <jack@xxxxxxx>
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
drivers/md/dm-vdo/dedupe.c | 7 ++++---
drivers/md/dm-vdo/dm-vdo-target.c | 9 +++++++--
drivers/md/dm-vdo/indexer/config.c | 2 +-
drivers/md/dm-vdo/indexer/config.h | 4 ++--
drivers/md/dm-vdo/indexer/index-layout.c | 6 +++---
drivers/md/dm-vdo/indexer/index-layout.h | 2 +-
drivers/md/dm-vdo/indexer/index-session.c | 18 ++++++++++--------
drivers/md/dm-vdo/indexer/index.c | 4 ++--
drivers/md/dm-vdo/indexer/index.h | 2 +-
drivers/md/dm-vdo/indexer/indexer.h | 6 +++---
drivers/md/dm-vdo/indexer/io-factory.c | 17 +++++++++--------
drivers/md/dm-vdo/indexer/io-factory.h | 4 ++--
drivers/md/dm-vdo/indexer/volume.c | 4 ++--
drivers/md/dm-vdo/indexer/volume.h | 2 +-
drivers/md/dm-vdo/vdo.c | 2 +-
15 files changed, 49 insertions(+), 40 deletions(-)
diff --git a/drivers/md/dm-vdo/dedupe.c b/drivers/md/dm-vdo/dedupe.c
index 117266e1b3ae..0e311989247e 100644
--- a/drivers/md/dm-vdo/dedupe.c
+++ b/drivers/md/dm-vdo/dedupe.c
@@ -2191,7 +2191,7 @@ static int initialize_index(struct vdo *vdo, struct hash_zones *zones)
uds_offset = ((vdo_get_index_region_start(geometry) -
geometry.bio_offset) * VDO_BLOCK_SIZE);
zones->parameters = (struct uds_parameters) {
- .bdev = vdo->device_config->owned_device->bdev,
+ .bdev_file = vdo->device_config->owned_device->bdev_file,
.offset = uds_offset,
.size = (vdo_get_index_region_size(geometry) * VDO_BLOCK_SIZE),
.memory_size = geometry.index_config.mem,
@@ -2582,8 +2582,9 @@ static void resume_index(void *context, struct vdo_completion *parent)
struct device_config *config = parent->vdo->device_config;
int result;
- zones->parameters.bdev = config->owned_device->bdev;
- result = uds_resume_index_session(zones->index_session, zones->parameters.bdev);
+ zones->parameters.bdev_file = config->owned_device->bdev_file;
+ result = uds_resume_index_session(zones->index_session,
+ zones->parameters.bdev_file);
if (result != UDS_SUCCESS)
vdo_log_error_strerror(result, "Error resuming dedupe index");
diff --git a/drivers/md/dm-vdo/dm-vdo-target.c b/drivers/md/dm-vdo/dm-vdo-target.c
index 5a4b0a927f56..79e861c2887c 100644
--- a/drivers/md/dm-vdo/dm-vdo-target.c
+++ b/drivers/md/dm-vdo/dm-vdo-target.c
@@ -696,6 +696,11 @@ static void handle_parse_error(struct device_config *config, char **error_ptr,
*error_ptr = error_str;
}
+static loff_t vdo_get_device_size(const struct device_config *config)
+{
+ return i_size_read(file_inode(config->owned_device->bdev_file));
+}
+
/**
* parse_device_config() - Convert the dmsetup table into a struct device_config.
* @argc: The number of table values.
@@ -878,7 +883,7 @@ static int parse_device_config(int argc, char **argv, struct dm_target *ti,
}
if (config->version == 0) {
- u64 device_size = i_size_read(config->owned_device->bdev->bd_inode);
+ u64 device_size = vdo_get_device_size(config);
config->physical_blocks = device_size / VDO_BLOCK_SIZE;
}
@@ -1011,7 +1016,7 @@ static void vdo_status(struct dm_target *ti, status_type_t status_type,
static block_count_t __must_check get_underlying_device_block_count(const struct vdo *vdo)
{
- return i_size_read(vdo_get_backing_device(vdo)->bd_inode) / VDO_BLOCK_SIZE;
+ return vdo_get_device_size(vdo->device_config) / VDO_BLOCK_SIZE;
}
static int __must_check process_vdo_message_locked(struct vdo *vdo, unsigned int argc,
diff --git a/drivers/md/dm-vdo/indexer/config.c b/drivers/md/dm-vdo/indexer/config.c
index 5532371b952f..dcf0742a6145 100644
--- a/drivers/md/dm-vdo/indexer/config.c
+++ b/drivers/md/dm-vdo/indexer/config.c
@@ -344,7 +344,7 @@ int uds_make_configuration(const struct uds_parameters *params,
config->volume_index_mean_delta = DEFAULT_VOLUME_INDEX_MEAN_DELTA;
config->sparse_sample_rate = (params->sparse ? DEFAULT_SPARSE_SAMPLE_RATE : 0);
config->nonce = params->nonce;
- config->bdev = params->bdev;
+ config->bdev_file = params->bdev_file;
config->offset = params->offset;
config->size = params->size;
diff --git a/drivers/md/dm-vdo/indexer/config.h b/drivers/md/dm-vdo/indexer/config.h
index 08507dc2f7a1..8ba0cf72dec9 100644
--- a/drivers/md/dm-vdo/indexer/config.h
+++ b/drivers/md/dm-vdo/indexer/config.h
@@ -25,8 +25,8 @@ enum {
/* A set of configuration parameters for the indexer. */
struct uds_configuration {
- /* Storage device for the index */
- struct block_device *bdev;
+ /* File of opened storage device for the index */
+ struct file *bdev_file;
/* The maximum allowable size of the index */
size_t size;
diff --git a/drivers/md/dm-vdo/indexer/index-layout.c b/drivers/md/dm-vdo/indexer/index-layout.c
index 627adc24af3b..32eee76bc246 100644
--- a/drivers/md/dm-vdo/indexer/index-layout.c
+++ b/drivers/md/dm-vdo/indexer/index-layout.c
@@ -1668,7 +1668,7 @@ static int create_layout_factory(struct index_layout *layout,
size_t writable_size;
struct io_factory *factory = NULL;
- result = uds_make_io_factory(config->bdev, &factory);
+ result = uds_make_io_factory(config->bdev_file, &factory);
if (result != UDS_SUCCESS)
return result;
@@ -1741,9 +1741,9 @@ void uds_free_index_layout(struct index_layout *layout)
}
int uds_replace_index_layout_storage(struct index_layout *layout,
- struct block_device *bdev)
+ struct file *bdev_file)
{
- return uds_replace_storage(layout->factory, bdev);
+ return uds_replace_storage(layout->factory, bdev_file);
}
/* Obtain a dm_bufio_client for the volume region. */
diff --git a/drivers/md/dm-vdo/indexer/index-layout.h b/drivers/md/dm-vdo/indexer/index-layout.h
index e9ac6f4302d6..28f9be577631 100644
--- a/drivers/md/dm-vdo/indexer/index-layout.h
+++ b/drivers/md/dm-vdo/indexer/index-layout.h
@@ -24,7 +24,7 @@ int __must_check uds_make_index_layout(struct uds_configuration *config, bool ne
void uds_free_index_layout(struct index_layout *layout);
int __must_check uds_replace_index_layout_storage(struct index_layout *layout,
- struct block_device *bdev);
+ struct file *bdev_file);
int __must_check uds_load_index_state(struct index_layout *layout,
struct uds_index *index);
diff --git a/drivers/md/dm-vdo/indexer/index-session.c b/drivers/md/dm-vdo/indexer/index-session.c
index aee0914d604a..914abf5e006b 100644
--- a/drivers/md/dm-vdo/indexer/index-session.c
+++ b/drivers/md/dm-vdo/indexer/index-session.c
@@ -335,7 +335,7 @@ int uds_open_index(enum uds_open_index_type open_type,
vdo_log_error("missing required parameters");
return -EINVAL;
}
- if (parameters->bdev == NULL) {
+ if (parameters->bdev_file == NULL) {
vdo_log_error("missing required block device");
return -EINVAL;
}
@@ -349,7 +349,7 @@ int uds_open_index(enum uds_open_index_type open_type,
return uds_status_to_errno(result);
session->parameters = *parameters;
- format_dev_t(name, parameters->bdev->bd_dev);
+ format_dev_t(name, file_bdev(parameters->bdev_file)->bd_dev);
vdo_log_info("%s: %s", get_open_type_string(open_type), name);
result = initialize_index_session(session, open_type);
@@ -460,15 +460,16 @@ int uds_suspend_index_session(struct uds_index_session *session, bool save)
return uds_status_to_errno(result);
}
-static int replace_device(struct uds_index_session *session, struct block_device *bdev)
+static int replace_device(struct uds_index_session *session,
+ struct file *bdev_file)
{
int result;
- result = uds_replace_index_storage(session->index, bdev);
+ result = uds_replace_index_storage(session->index, bdev_file);
if (result != UDS_SUCCESS)
return result;
- session->parameters.bdev = bdev;
+ session->parameters.bdev_file = bdev_file;
return UDS_SUCCESS;
}
@@ -477,7 +478,7 @@ static int replace_device(struct uds_index_session *session, struct block_device
* device differs from the current backing store, the index will start using the new backing store.
*/
int uds_resume_index_session(struct uds_index_session *session,
- struct block_device *bdev)
+ struct file *bdev_file)
{
int result = UDS_SUCCESS;
bool no_work = false;
@@ -502,8 +503,9 @@ int uds_resume_index_session(struct uds_index_session *session,
if (no_work)
return result;
- if ((session->index != NULL) && (bdev != session->parameters.bdev)) {
- result = replace_device(session, bdev);
+ if (session->index != NULL &&
+ bdev_file != session->parameters.bdev_file) {
+ result = replace_device(session, bdev_file);
if (result != UDS_SUCCESS) {
mutex_lock(&session->request_mutex);
session->state &= ~IS_FLAG_WAITING;
diff --git a/drivers/md/dm-vdo/indexer/index.c b/drivers/md/dm-vdo/indexer/index.c
index 1ba767144426..48b16275a067 100644
--- a/drivers/md/dm-vdo/indexer/index.c
+++ b/drivers/md/dm-vdo/indexer/index.c
@@ -1336,9 +1336,9 @@ int uds_save_index(struct uds_index *index)
return result;
}
-int uds_replace_index_storage(struct uds_index *index, struct block_device *bdev)
+int uds_replace_index_storage(struct uds_index *index, struct file *bdev_file)
{
- return uds_replace_volume_storage(index->volume, index->layout, bdev);
+ return uds_replace_volume_storage(index->volume, index->layout, bdev_file);
}
/* Accessing statistics should be safe from any thread. */
diff --git a/drivers/md/dm-vdo/indexer/index.h b/drivers/md/dm-vdo/indexer/index.h
index edabb239548e..6e2e203f43f7 100644
--- a/drivers/md/dm-vdo/indexer/index.h
+++ b/drivers/md/dm-vdo/indexer/index.h
@@ -72,7 +72,7 @@ int __must_check uds_save_index(struct uds_index *index);
void uds_free_index(struct uds_index *index);
int __must_check uds_replace_index_storage(struct uds_index *index,
- struct block_device *bdev);
+ struct file *bdev_file);
void uds_get_index_stats(struct uds_index *index, struct uds_index_stats *counters);
diff --git a/drivers/md/dm-vdo/indexer/indexer.h b/drivers/md/dm-vdo/indexer/indexer.h
index 3744aaf625b0..246ff2810e01 100644
--- a/drivers/md/dm-vdo/indexer/indexer.h
+++ b/drivers/md/dm-vdo/indexer/indexer.h
@@ -128,8 +128,8 @@ struct uds_volume_record {
};
struct uds_parameters {
- /* The block_device used for storage */
- struct block_device *bdev;
+ /* The bdev_file used for storage */
+ struct file *bdev_file;
/* The maximum allowable size of the index on storage */
size_t size;
/* The offset where the index should start */
@@ -314,7 +314,7 @@ int __must_check uds_suspend_index_session(struct uds_index_session *session, bo
* start using the new backing store instead.
*/
int __must_check uds_resume_index_session(struct uds_index_session *session,
- struct block_device *bdev);
+ struct file *bdev_file);
/* Wait until all outstanding index operations are complete. */
int __must_check uds_flush_index_session(struct uds_index_session *session);
diff --git a/drivers/md/dm-vdo/indexer/io-factory.c b/drivers/md/dm-vdo/indexer/io-factory.c
index 515765d35794..f4dedb7b7f40 100644
--- a/drivers/md/dm-vdo/indexer/io-factory.c
+++ b/drivers/md/dm-vdo/indexer/io-factory.c
@@ -22,7 +22,7 @@
* make helper structures that can be used to access sections of the index.
*/
struct io_factory {
- struct block_device *bdev;
+ struct file *bdev_file;
atomic_t ref_count;
};
@@ -59,7 +59,7 @@ static void uds_get_io_factory(struct io_factory *factory)
atomic_inc(&factory->ref_count);
}
-int uds_make_io_factory(struct block_device *bdev, struct io_factory **factory_ptr)
+int uds_make_io_factory(struct file *bdev_file, struct io_factory **factory_ptr)
{
int result;
struct io_factory *factory;
@@ -68,16 +68,16 @@ int uds_make_io_factory(struct block_device *bdev, struct io_factory **factory_p
if (result != VDO_SUCCESS)
return result;
- factory->bdev = bdev;
+ factory->bdev_file = bdev_file;
atomic_set_release(&factory->ref_count, 1);
*factory_ptr = factory;
return UDS_SUCCESS;
}
-int uds_replace_storage(struct io_factory *factory, struct block_device *bdev)
+int uds_replace_storage(struct io_factory *factory, struct file *bdev_file)
{
- factory->bdev = bdev;
+ factory->bdev_file = bdev_file;
return UDS_SUCCESS;
}
@@ -90,7 +90,7 @@ void uds_put_io_factory(struct io_factory *factory)
size_t uds_get_writable_size(struct io_factory *factory)
{
- return i_size_read(factory->bdev->bd_inode);
+ return i_size_read(file_inode(factory->bdev_file));
}
/* Create a struct dm_bufio_client for an index region starting at offset. */
@@ -99,8 +99,9 @@ int uds_make_bufio(struct io_factory *factory, off_t block_offset, size_t block_
{
struct dm_bufio_client *client;
- client = dm_bufio_client_create(factory->bdev, block_size, reserved_buffers, 0,
- NULL, NULL, 0);
+ client = dm_bufio_client_create(file_bdev(factory->bdev_file),
+ block_size, reserved_buffers,
+ 0, NULL, NULL, 0);
if (IS_ERR(client))
return -PTR_ERR(client);
diff --git a/drivers/md/dm-vdo/indexer/io-factory.h b/drivers/md/dm-vdo/indexer/io-factory.h
index 7fb5a0616a79..a3ca84d62f2d 100644
--- a/drivers/md/dm-vdo/indexer/io-factory.h
+++ b/drivers/md/dm-vdo/indexer/io-factory.h
@@ -24,11 +24,11 @@ enum {
SECTORS_PER_BLOCK = UDS_BLOCK_SIZE >> SECTOR_SHIFT,
};
-int __must_check uds_make_io_factory(struct block_device *bdev,
+int __must_check uds_make_io_factory(struct file *bdev_file,
struct io_factory **factory_ptr);
int __must_check uds_replace_storage(struct io_factory *factory,
- struct block_device *bdev);
+ struct file *bdev_file);
void uds_put_io_factory(struct io_factory *factory);
diff --git a/drivers/md/dm-vdo/indexer/volume.c b/drivers/md/dm-vdo/indexer/volume.c
index 655453bb276b..edbe46252657 100644
--- a/drivers/md/dm-vdo/indexer/volume.c
+++ b/drivers/md/dm-vdo/indexer/volume.c
@@ -1465,12 +1465,12 @@ int uds_find_volume_chapter_boundaries(struct volume *volume, u64 *lowest_vcn,
int __must_check uds_replace_volume_storage(struct volume *volume,
struct index_layout *layout,
- struct block_device *bdev)
+ struct file *bdev_file)
{
int result;
u32 i;
- result = uds_replace_index_layout_storage(layout, bdev);
+ result = uds_replace_index_layout_storage(layout, bdev_file);
if (result != UDS_SUCCESS)
return result;
diff --git a/drivers/md/dm-vdo/indexer/volume.h b/drivers/md/dm-vdo/indexer/volume.h
index 8679a5e55347..1dc3561b8b43 100644
--- a/drivers/md/dm-vdo/indexer/volume.h
+++ b/drivers/md/dm-vdo/indexer/volume.h
@@ -130,7 +130,7 @@ void uds_free_volume(struct volume *volume);
int __must_check uds_replace_volume_storage(struct volume *volume,
struct index_layout *layout,
- struct block_device *bdev);
+ struct file *bdev_file);
int __must_check uds_find_volume_chapter_boundaries(struct volume *volume,
u64 *lowest_vcn, u64 *highest_vcn,
diff --git a/drivers/md/dm-vdo/vdo.c b/drivers/md/dm-vdo/vdo.c
index fff847767755..eca9f8b51535 100644
--- a/drivers/md/dm-vdo/vdo.c
+++ b/drivers/md/dm-vdo/vdo.c
@@ -809,7 +809,7 @@ void vdo_load_super_block(struct vdo *vdo, struct vdo_completion *parent)
*/
struct block_device *vdo_get_backing_device(const struct vdo *vdo)
{
- return vdo->device_config->owned_device->bdev;
+ return file_bdev(vdo->device_config->owned_device->bdev_file);
}
/**
