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ncpfs: fix rmdir returns Device or resource busy 

1d2ef59014 caused a regression in ncpfs such that
directories could no longer be removed.  This was because ncp_rmdir checked
to see if a dentry could be unhashed before allowing it to be removed. Since
1d2ef59014 introduced a change that incremented
dentry->d_count causing it to always be greater than 1 unhash would always
fail.  Thus causing the error path in ncp_rmdir to always be taken.  Removing
this error path is safe as unhashing is still accomplished by calls to dput
from vfs_rmdir.

Signed-off-by: Dave Chiluk <chiluk@canonical.com>
Signed-off-by: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Dave Chiluk 2013-05-28 16:06:08 -05:00 committed by Al Viro
parent 4d3797d7e1
commit 698b822363
1 changed files with 0 additions and 9 deletions
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9
fs/ncpfs/dir.c
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@ -1029,15 +1029,6 @@ static int ncp_rmdir(struct inode *dir, struct dentry *dentry)
DPRINTK("ncp_rmdir: removing %s/%s\n",
dentry->d_parent->d_name.name, dentry->d_name.name);
/*
* fail with EBUSY if there are still references to this
* directory.
*/
dentry_unhash(dentry);
error = -EBUSY;
if (!d_unhashed(dentry))
goto out;
len = sizeof(__name);
error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
dentry->d_name.len, !ncp_preserve_case(dir));