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Date: Sun, 2 Sep 2007 22:20:42 -0400 From: "Josef 'Jeff' Sipek" <jsipek@...sunysb.edu> To: akpm@...ux-foundation.org Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, hch@...radead.org, viro@....linux.org.uk, bharata@...ux.vnet.ibm.com, j.blunck@...harburg.de, Erez Zadok <ezk@...sunysb.edu>, "Josef 'Jeff' Sipek" <jsipek@...sunysb.edu> Subject: [PATCH 19/32] Unionfs: partial_lookup update From: Erez Zadok <ezk@...sunysb.edu> Handle new semantics of lookup_backend. Signed-off-by: Erez Zadok <ezk@...sunysb.edu> Signed-off-by: Josef 'Jeff' Sipek <jsipek@...sunysb.edu> --- fs/unionfs/lookup.c | 22 ++++++++++++++++------ 1 files changed, 16 insertions(+), 6 deletions(-) diff --git a/fs/unionfs/lookup.c b/fs/unionfs/lookup.c index e4e8470..d05daa5 100644 --- a/fs/unionfs/lookup.c +++ b/fs/unionfs/lookup.c @@ -425,20 +425,30 @@ out: return ERR_PTR(err); } -/* This is a utility function that fills in a unionfs dentry */ +/* + * This is a utility function that fills in a unionfs dentry. + * + * Returns: 0 (ok), or -ERRNO if an error occurred. + */ int unionfs_partial_lookup(struct dentry *dentry) { struct dentry *tmp; struct nameidata nd = { .flags = 0 }; + int err = -ENOSYS; tmp = unionfs_lookup_backend(dentry, &nd, INTERPOSE_PARTIAL); - if (!tmp) - return 0; - if (IS_ERR(tmp)) - return PTR_ERR(tmp); + if (!tmp) { + err = 0; + goto out; + } + if (IS_ERR(tmp)) { + err = PTR_ERR(tmp); + goto out; + } /* need to change the interface */ BUG_ON(tmp != dentry); - return -ENOSYS; +out: + return err; } /* The dentry cache is just so we have properly sized dentries. */ -- 1.5.2.2.238.g7cbf2f2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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