aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/loop.c8
-rw-r--r--drivers/md/bcache/super.c20
-rw-r--r--drivers/md/dm-table.c9
-rw-r--r--drivers/mtd/mtdsuper.c17
-rw-r--r--drivers/target/target_core_file.c6
-rw-r--r--drivers/usb/gadget/function/storage_common.c8
6 files changed, 28 insertions, 40 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index b42c728620c9..26c7aafba7c5 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -675,10 +675,10 @@ static int loop_validate_file(struct file *file, struct block_device *bdev)
while (is_loop_device(f)) {
struct loop_device *l;
- if (f->f_mapping->host->i_bdev == bdev)
+ if (f->f_mapping->host->i_rdev == bdev->bd_dev)
return -EBADF;
- l = f->f_mapping->host->i_bdev->bd_disk->private_data;
+ l = I_BDEV(f->f_mapping->host)->bd_disk->private_data;
if (l->lo_state != Lo_bound) {
return -EINVAL;
}
@@ -885,9 +885,7 @@ static void loop_config_discard(struct loop_device *lo)
* file-backed loop devices: discarded regions read back as zero.
*/
if (S_ISBLK(inode->i_mode) && !lo->lo_encrypt_key_size) {
- struct request_queue *backingq;
-
- backingq = bdev_get_queue(inode->i_bdev);
+ struct request_queue *backingq = bdev_get_queue(I_BDEV(inode));
max_discard_sectors = backingq->limits.max_write_zeroes_sectors;
granularity = backingq->limits.discard_granularity ?:
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index a6a5e21e4fd1..c55d3c58a7ef 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -2380,38 +2380,38 @@ kobj_attribute_write(register, register_bcache);
kobj_attribute_write(register_quiet, register_bcache);
kobj_attribute_write(pendings_cleanup, bch_pending_bdevs_cleanup);
-static bool bch_is_open_backing(struct block_device *bdev)
+static bool bch_is_open_backing(dev_t dev)
{
struct cache_set *c, *tc;
struct cached_dev *dc, *t;
list_for_each_entry_safe(c, tc, &bch_cache_sets, list)
list_for_each_entry_safe(dc, t, &c->cached_devs, list)
- if (dc->bdev == bdev)
+ if (dc->bdev->bd_dev == dev)
return true;
list_for_each_entry_safe(dc, t, &uncached_devices, list)
- if (dc->bdev == bdev)
+ if (dc->bdev->bd_dev == dev)
return true;
return false;
}
-static bool bch_is_open_cache(struct block_device *bdev)
+static bool bch_is_open_cache(dev_t dev)
{
struct cache_set *c, *tc;
list_for_each_entry_safe(c, tc, &bch_cache_sets, list) {
struct cache *ca = c->cache;
- if (ca->bdev == bdev)
+ if (ca->bdev->bd_dev == dev)
return true;
}
return false;
}
-static bool bch_is_open(struct block_device *bdev)
+static bool bch_is_open(dev_t dev)
{
- return bch_is_open_cache(bdev) || bch_is_open_backing(bdev);
+ return bch_is_open_cache(dev) || bch_is_open_backing(dev);
}
struct async_reg_args {
@@ -2535,9 +2535,11 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
sb);
if (IS_ERR(bdev)) {
if (bdev == ERR_PTR(-EBUSY)) {
- bdev = lookup_bdev(strim(path));
+ dev_t dev;
+
mutex_lock(&bch_register_lock);
- if (!IS_ERR(bdev) && bch_is_open(bdev))
+ if (lookup_bdev(strim(path), &dev) == 0 &&
+ bch_is_open(dev))
err = "device already registered";
else
err = "device busy";
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index ce543b761be7..dea677721710 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -348,16 +348,9 @@ static int upgrade_mode(struct dm_dev_internal *dd, fmode_t new_mode,
dev_t dm_get_dev_t(const char *path)
{
dev_t dev;
- struct block_device *bdev;
- bdev = lookup_bdev(path);
- if (IS_ERR(bdev))
+ if (lookup_bdev(path, &dev))
dev = name_to_dev_t(path);
- else {
- dev = bdev->bd_dev;
- bdput(bdev);
- }
-
return dev;
}
EXPORT_SYMBOL_GPL(dm_get_dev_t);
diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index c3e2098372f2..38b6aa849c63 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -120,8 +120,8 @@ int get_tree_mtd(struct fs_context *fc,
struct fs_context *fc))
{
#ifdef CONFIG_BLOCK
- struct block_device *bdev;
- int ret, major;
+ dev_t dev;
+ int ret;
#endif
int mtdnr;
@@ -169,20 +169,15 @@ int get_tree_mtd(struct fs_context *fc,
/* try the old way - the hack where we allowed users to mount
* /dev/mtdblock$(n) but didn't actually _use_ the blockdev
*/
- bdev = lookup_bdev(fc->source);
- if (IS_ERR(bdev)) {
- ret = PTR_ERR(bdev);
+ ret = lookup_bdev(fc->source, &dev);
+ if (ret) {
errorf(fc, "MTD: Couldn't look up '%s': %d", fc->source, ret);
return ret;
}
pr_debug("MTDSB: lookup_bdev() returned 0\n");
- major = MAJOR(bdev->bd_dev);
- mtdnr = MINOR(bdev->bd_dev);
- bdput(bdev);
-
- if (major == MTD_BLOCK_MAJOR)
- return mtd_get_sb_by_nr(fc, mtdnr, fill_super);
+ if (MAJOR(dev) == MTD_BLOCK_MAJOR)
+ return mtd_get_sb_by_nr(fc, MINOR(dev), fill_super);
#endif /* CONFIG_BLOCK */
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,
diff --git a/drivers/usb/gadget/function/storage_common.c b/drivers/usb/gadget/function/storage_common.c
index f7e6c42558eb..b859a158a414 100644
--- a/drivers/usb/gadget/function/storage_common.c
+++ b/drivers/usb/gadget/function/storage_common.c
@@ -204,7 +204,7 @@ int fsg_lun_open(struct fsg_lun *curlun, const char *filename)
if (!(filp->f_mode & FMODE_WRITE))
ro = 1;
- inode = file_inode(filp);
+ inode = filp->f_mapping->host;
if ((!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))) {
LINFO(curlun, "invalid file type: %s\n", filename);
goto out;
@@ -221,7 +221,7 @@ int fsg_lun_open(struct fsg_lun *curlun, const char *filename)
if (!(filp->f_mode & FMODE_CAN_WRITE))
ro = 1;
- size = i_size_read(inode->i_mapping->host);
+ size = i_size_read(inode);
if (size < 0) {
LINFO(curlun, "unable to find file size: %s\n", filename);
rc = (int) size;
@@ -231,8 +231,8 @@ int fsg_lun_open(struct fsg_lun *curlun, const char *filename)
if (curlun->cdrom) {
blksize = 2048;
blkbits = 11;
- } else if (inode->i_bdev) {
- blksize = bdev_logical_block_size(inode->i_bdev);
+ } else if (S_ISBLK(inode->i_mode)) {
+ blksize = bdev_logical_block_size(I_BDEV(inode));
blkbits = blksize_bits(blksize);
} else {
blksize = 512;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.