Hello btrfs developers/users,
I was wondering regarding to fetching the correct fsid on btrfs from
the context of a kernel module.
if on suse11.3 kernel 3.0.101-0.47.71-default in order to get fsid, I
do the following:
convert inode struct to btrfs_inode struct (use btrfsInode =
BTRFS_I(inode)), then from btrfs_inode struct i go to root field, and
from root i take anon_dev or anon_super.s_dev.
struct btrfs_inode *btrfsInode;
btrfsInode = BTRFS_I(inode);
btrfsInode->root->anon_super.s_dev or
btrfsInode->root->anon_dev - depend on kernel.
In kernel 3.12.28-4-default in order to get the fsid, i need to go
to the inode -> superblock -> device id (inode->i_sb->s_dev)
Why is this ? and is there a proper/an official way to get it ?
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