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btrfs: take the last remnants of ->d_fsdata use out 

[spotted while going through ->d_fsdata handling around d_splice_alias();
don't really care which tree that goes through]

The only thing even looking at ->d_fsdata in there (since 2012)
had been kfree(dentry->d_fsdata) in btrfs_dentry_delete().  Which,
incidentally, is all btrfs_dentry_delete() does.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Al Viro 2018-05-13 19:03:18 +01:00 committed by David Sterba
parent 75cb857d26
commit 7a1b1e7028
1 changed files with 0 additions and 6 deletions
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6
fs/btrfs/inode.c
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@ -6045,11 +6045,6 @@ static int btrfs_dentry_delete(const struct dentry *dentry)
return 0;
}
static void btrfs_dentry_release(struct dentry *dentry)
{
kfree(dentry->d_fsdata);
}
static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
unsigned int flags)
{
@ -10844,5 +10839,4 @@ static const struct inode_operations btrfs_symlink_inode_operations = {
const struct dentry_operations btrfs_dentry_operations = {
.d_delete = btrfs_dentry_delete,
.d_release = btrfs_dentry_release,
};