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fix switch_names() breakage in short-to-short case 

We want ->name.len to match the resulting name on *both*
source and target

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2008-11-03 15:03:50 -05:00
parent 7df5fa06de
commit dc711ca35f
1 changed files with 3 additions and 2 deletions
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5
fs/dcache.c
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@ -1616,8 +1616,11 @@ static void switch_names(struct dentry *dentry, struct dentry *target)
*/
memcpy(dentry->d_iname, target->d_name.name,
target->d_name.len + 1);
dentry->d_name.len = target->d_name.len;
return;
}
}
do_switch(dentry->d_name.len, target->d_name.len);
}
/*
@ -1677,7 +1680,6 @@ already_unhashed:
/* Switch the names.. */
switch_names(dentry, target);
do_switch(dentry->d_name.len, target->d_name.len);
do_switch(dentry->d_name.hash, target->d_name.hash);
/* ... and switch the parents */
@ -1787,7 +1789,6 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
struct dentry *dparent, *aparent;
switch_names(dentry, anon);
do_switch(dentry->d_name.len, anon->d_name.len);
do_switch(dentry->d_name.hash, anon->d_name.hash);
dparent = dentry->d_parent;