coda: allow removal of busy directories
A directory without children may still be busy when it is the cwd for some
process. We can safely remove such a directory because the VFS prevents
further operations. Also we don't need to call d_delete as it is already
called in vfs_rmdir.
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 56a3b76..01f55f4 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -391,28 +391,23 @@
{
const char *name = de->d_name.name;
int len = de->d_name.len;
- int error;
+ int error;
lock_kernel();
coda_vfs_stat.rmdir++;
- if (!d_unhashed(de)) {
- unlock_kernel();
- return -EBUSY;
- }
error = venus_rmdir(dir->i_sb, coda_i2f(dir), name, len);
+ if (!error) {
+ /* VFS may delete the child */
+ if (de->d_inode)
+ de->d_inode->i_nlink = 0;
- if ( error ) {
- unlock_kernel();
- return error;
+ /* fix the link count of the parent */
+ coda_dir_drop_nlink(dir);
+ coda_dir_update_mtime(dir);
}
-
- coda_dir_drop_nlink(dir);
- coda_dir_update_mtime(dir);
- drop_nlink(de->d_inode);
- d_delete(de);
unlock_kernel();
- return 0;
+ return error;
}
/* rename */