Messages in this thread |  | | | Date | Mon, 4 Sep 2006 09:28:47 +0200 (MEST) | | From | Jan Engelhardt <> | | Subject | Re: [PATCH 12/22][RFC] Unionfs: Main module functions |
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>+/* checks if two hidden_dentries have overlapping branches */ >+int is_branch_overlap(struct dentry *dent1, struct dentry *dent2) >+{ >+ struct dentry *dent = NULL; >+ >+ dent = dent1; >+ while ((dent != dent2) && (dent->d_parent != dent)) { >+ dent = dent->d_parent; >+ } >+ if (dent == dent2) { >+ return 1; >+ } >+ >+ dent = dent2; >+ while ((dent != dent1) && (dent->d_parent != dent)) { >+ dent = dent->d_parent; >+ } >+ if (dent == dent1) { >+ return 1; >+ } >+ >+ return 0; >+} -()-{} Also elsewhere.
>+ struct dentry *dent1 = NULL; >+ struct dentry *dent2 = NULL;
Is it necessary to set these to NULL?
>+ for (i = 0; i < branches; i++) { >+ if (hidden_root_info->udi_dentry[i]) >+ dput(hidden_root_info->udi_dentry[i]); >+ }
>+MODULE_AUTHOR("Filesystems and Storage Lab, Stony Brook University" >+ " (http://www.fsl.cs.sunysb.edu/)");
Should probably have at least one human person in the list.
Jan Engelhardt --
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