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ocfs2: port block device access to file

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Link: https://lore.kernel.org/r/20240123-vfs-bdev-file-v2-25-adbd023e19cc@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2024-01-23 14:26:42 +01:00
parent 4b2cfbda2d
commit 1d3aa0b97c
No known key found for this signature in database
GPG key ID: 91C61BC06578DCA2
1 changed files with 16 additions and 16 deletions
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32
fs/ocfs2/cluster/heartbeat.c
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@ -213,7 +213,7 @@ struct o2hb_region {
unsigned int hr_num_pages;
struct page **hr_slot_data;
struct bdev_handle *hr_bdev_handle;
struct file *hr_bdev_file;
struct o2hb_disk_slot *hr_slots;
/* live node map of this region */
@ -263,7 +263,7 @@ struct o2hb_region {
static inline struct block_device *reg_bdev(struct o2hb_region *reg)
{
return reg->hr_bdev_handle ? reg->hr_bdev_handle->bdev : NULL;
return reg->hr_bdev_file ? file_bdev(reg->hr_bdev_file) : NULL;
}
struct o2hb_bio_wait_ctxt {
@ -1509,8 +1509,8 @@ static void o2hb_region_release(struct config_item *item)
kfree(reg->hr_slot_data);
}
if (reg->hr_bdev_handle)
bdev_release(reg->hr_bdev_handle);
if (reg->hr_bdev_file)
fput(reg->hr_bdev_file);
kfree(reg->hr_slots);
@ -1569,7 +1569,7 @@ static ssize_t o2hb_region_block_bytes_store(struct config_item *item,
unsigned long block_bytes;
unsigned int block_bits;
if (reg->hr_bdev_handle)
if (reg->hr_bdev_file)
return -EINVAL;
status = o2hb_read_block_input(reg, page, &block_bytes,
@ -1598,7 +1598,7 @@ static ssize_t o2hb_region_start_block_store(struct config_item *item,
char *p = (char *)page;
ssize_t ret;
if (reg->hr_bdev_handle)
if (reg->hr_bdev_file)
return -EINVAL;
ret = kstrtoull(p, 0, &tmp);
@ -1623,7 +1623,7 @@ static ssize_t o2hb_region_blocks_store(struct config_item *item,
unsigned long tmp;
char *p = (char *)page;
if (reg->hr_bdev_handle)
if (reg->hr_bdev_file)
return -EINVAL;
tmp = simple_strtoul(p, &p, 0);
@ -1642,7 +1642,7 @@ static ssize_t o2hb_region_dev_show(struct config_item *item, char *page)
{
unsigned int ret = 0;
if (to_o2hb_region(item)->hr_bdev_handle)
if (to_o2hb_region(item)->hr_bdev_file)
ret = sprintf(page, "%pg\n", reg_bdev(to_o2hb_region(item)));
return ret;
@ -1753,7 +1753,7 @@ out:
}
/*
* this is acting as commit; we set up all of hr_bdev_handle and hr_task or
* this is acting as commit; we set up all of hr_bdev_file and hr_task or
* nothing
*/
static ssize_t o2hb_region_dev_store(struct config_item *item,
@ -1769,7 +1769,7 @@ static ssize_t o2hb_region_dev_store(struct config_item *item,
ssize_t ret = -EINVAL;
int live_threshold;
if (reg->hr_bdev_handle)
if (reg->hr_bdev_file)
goto out;
/* We can't heartbeat without having had our node number
@ -1795,11 +1795,11 @@ static ssize_t o2hb_region_dev_store(struct config_item *item,
if (!S_ISBLK(f.file->f_mapping->host->i_mode))
goto out2;
reg->hr_bdev_handle = bdev_open_by_dev(f.file->f_mapping->host->i_rdev,
reg->hr_bdev_file = bdev_file_open_by_dev(f.file->f_mapping->host->i_rdev,
BLK_OPEN_WRITE | BLK_OPEN_READ, NULL, NULL);
if (IS_ERR(reg->hr_bdev_handle)) {
ret = PTR_ERR(reg->hr_bdev_handle);
reg->hr_bdev_handle = NULL;
if (IS_ERR(reg->hr_bdev_file)) {
ret = PTR_ERR(reg->hr_bdev_file);
reg->hr_bdev_file = NULL;
goto out2;
}
@ -1903,8 +1903,8 @@ static ssize_t o2hb_region_dev_store(struct config_item *item,
out3:
if (ret < 0) {
bdev_release(reg->hr_bdev_handle);
reg->hr_bdev_handle = NULL;
fput(reg->hr_bdev_file);
reg->hr_bdev_file = NULL;
}
out2:
fdput(f);