@@ -3228,12 +3228,12 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
mapping_set_gfp_mask(fs_info->btree_inode->i_mapping, GFP_NOFS);
btrfs_init_btree_inode(fs_info);
- invalidate_bdev(fs_devices->latest_bdev);
+ invalidate_bdev(fs_devices->latest_dev->bdev);
/*
* Read super block and check the signature bytes only
*/
- disk_super = btrfs_read_dev_super(fs_devices->latest_bdev);
+ disk_super = btrfs_read_dev_super(fs_devices->latest_dev->bdev);
if (IS_ERR(disk_super)) {
err = PTR_ERR(disk_super);
goto fail_alloc;
@@ -3466,7 +3466,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
* below in btrfs_init_dev_replace().
*/
btrfs_free_extra_devids(fs_devices);
- if (!fs_devices->latest_bdev) {
+ if (!fs_devices->latest_dev->bdev) {
btrfs_err(fs_info, "failed to read devices");
goto fail_tree_roots;
}
@@ -3327,7 +3327,7 @@ static int alloc_new_bio(struct btrfs_inode *inode,
if (wbc) {
struct block_device *bdev;
- bdev = fs_info->fs_devices->latest_bdev;
+ bdev = fs_info->fs_devices->latest_dev->bdev;
bio_set_dev(bio, bdev);
wbc_init_bio(wbc, bio);
}
@@ -7961,7 +7961,7 @@ static int btrfs_dio_iomap_begin(struct inode *inode, loff_t start,
iomap->type = IOMAP_MAPPED;
}
iomap->offset = start;
- iomap->bdev = fs_info->fs_devices->latest_bdev;
+ iomap->bdev = fs_info->fs_devices->latest_dev->bdev;
iomap->length = len;
if (write && btrfs_use_zone_append(BTRFS_I(inode), em->block_start))
@@ -291,9 +291,9 @@ void btrfs_print_fsinfo(struct seq_file *seq)
bdevname(fs_info->sb->s_bdev, b) :
"null");
BTRFS_SEQ_PRINT2("\tlatest_bdev:\t\t%s\n",
- fs_devices->latest_bdev ?
- bdevname(fs_devices->latest_bdev, b) :
- "null");
+ fs_devices->latest_dev->bdev ?
+ bdevname(fs_devices->latest_dev->bdev, b) :
+ "null");
fs_state_to_str(fs_info, fs_str);
BTRFS_SEQ_PRINT2("\tfs_state:\t\t%s\n", fs_str);
@@ -1706,7 +1706,7 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
goto error_close_devices;
}
- bdev = fs_devices->latest_bdev;
+ bdev = fs_devices->latest_dev->bdev;
s = sget(fs_type, btrfs_test_super, btrfs_set_super, flags | SB_NOSEC,
fs_info);
if (IS_ERR(s)) {
@@ -1091,7 +1091,7 @@ void btrfs_free_extra_devids(struct btrfs_fs_devices *fs_devices)
list_for_each_entry(seed_dev, &fs_devices->seed_list, seed_list)
__btrfs_free_extra_devids(seed_dev, &latest_dev);
- fs_devices->latest_bdev = latest_dev->bdev;
+ fs_devices->latest_dev = latest_dev;
mutex_unlock(&uuid_mutex);
}
@@ -1206,7 +1206,7 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
return -EINVAL;
fs_devices->opened = 1;
- fs_devices->latest_bdev = latest_dev->bdev;
+ fs_devices->latest_dev = latest_dev;
fs_devices->total_rw_bytes = 0;
fs_devices->chunk_alloc_policy = BTRFS_CHUNK_ALLOC_REGULAR;
fs_devices->read_policy = BTRFS_READ_POLICY_PID;
@@ -1968,7 +1968,7 @@ static struct btrfs_device * btrfs_find_next_active_device(
}
/*
- * Helper function to check if the given device is part of s_bdev / latest_bdev
+ * Helper function to check if the given device is part of s_bdev / latest_dev
* and replace it with the provided or the next active device, in the context
* where this function called, there should be always be another device (or
* this_dev) which is active.
@@ -1987,8 +1987,8 @@ void __cold btrfs_assign_next_active_device(struct btrfs_device *device,
(fs_info->sb->s_bdev == device->bdev))
fs_info->sb->s_bdev = next_device->bdev;
- if (fs_info->fs_devices->latest_bdev == device->bdev)
- fs_info->fs_devices->latest_bdev = next_device->bdev;
+ if (fs_info->fs_devices->latest_dev->bdev == device->bdev)
+ fs_info->fs_devices->latest_dev = next_device;
}
/*
@@ -246,7 +246,7 @@ struct btrfs_fs_devices {
/* Highest generation number of seen devices */
u64 latest_generation;
- struct block_device *latest_bdev;
+ struct btrfs_device *latest_dev;
/* all of the devices in the FS, protected by a mutex
* so we can safely walk it to write out the supers without
In preparation to fix a bug in btrfs_show_devname(), save the device with the largest generation in fs_devices instead of just its bdev (as of now). So that btrfs_show_devname() can read device's name. Signed-off-by: Anand Jain <anand.jain@oracle.com> --- v2: born fs/btrfs/disk-io.c | 6 +++--- fs/btrfs/extent_io.c | 2 +- fs/btrfs/inode.c | 2 +- fs/btrfs/procfs.c | 6 +++--- fs/btrfs/super.c | 2 +- fs/btrfs/volumes.c | 10 +++++----- fs/btrfs/volumes.h | 2 +- 7 files changed, 15 insertions(+), 15 deletions(-)