Hello All,
I want to find out the purpose of a part of Wrapfs
code.
The function name is wrapfs_interpose
The code is
/* check that the lower file system didn't cross a
mount point */
if (lower_inode->i_sb != SUPERBLOCK_TO_LOWER(sb)) {
err = -EXDEV;
goto out;
}
I want to find out what is the purpose of the above
check.
Thanks,
Uzair Lakhnai
Karachi, Pakistan
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