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Viewing changes to ubuntu/aufs/dinfo.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
ubuntu/aufs/dinfo.c
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        return d;
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}
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/*
 
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 * extended version of au_h_dptr().
 
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 * returns a hashed and positive h_dentry in bindex, NULL, or error.
 
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 */
 
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struct dentry *au_h_d_alias(struct dentry *dentry, aufs_bindex_t bindex)
 
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{
 
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        struct dentry *h_dentry;
 
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        struct inode *inode, *h_inode;
 
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        inode = dentry->d_inode;
 
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        AuDebugOn(!inode);
 
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        h_dentry = NULL;
 
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        if (au_dbstart(dentry) <= bindex
 
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            && bindex <= au_dbend(dentry))
 
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                h_dentry = au_h_dptr(dentry, bindex);
 
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        if (h_dentry && !au_d_hashed_positive(h_dentry)) {
 
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                dget(h_dentry);
 
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                goto out; /* success */
 
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        }
 
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        AuDebugOn(bindex < au_ibstart(inode));
 
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        AuDebugOn(au_ibend(inode) < bindex);
 
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        h_inode = au_h_iptr(inode, bindex);
 
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        h_dentry = d_find_alias(h_inode);
 
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        if (h_dentry) {
 
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                if (!IS_ERR(h_dentry)) {
 
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                        if (!au_d_hashed_positive(h_dentry))
 
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                                goto out; /* success */
 
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                        dput(h_dentry);
 
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                } else
 
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                        goto out;
 
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        }
 
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        if (au_opt_test(au_mntflags(dentry->d_sb), PLINK)) {
 
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                h_dentry = au_plink_lkup(inode, bindex);
 
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                AuDebugOn(!h_dentry);
 
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                if (!IS_ERR(h_dentry)) {
 
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                        if (!au_d_hashed_positive(h_dentry))
 
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                                goto out; /* success */
 
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                        dput(h_dentry);
 
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                        h_dentry = NULL;
 
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                }
 
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        }
 
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out:
 
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        AuDbgDentry(h_dentry);
 
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        return h_dentry;
 
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}
 
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aufs_bindex_t au_dbtail(struct dentry *dentry)
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{
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        aufs_bindex_t bend, bwh;