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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-07-31 18:16:51 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-23 11:13:04 +0200
commit2628b766363aa3791e816a7e5807373ef551c776 (patch)
treeaa8006667673484d5f784a083bdbc8f40894357f
parent[PATCH] reduce the stack footprint of exportfs_decode_fh() (diff)
downloadlinux-2628b766363aa3791e816a7e5807373ef551c776.tar.xz
linux-2628b766363aa3791e816a7e5807373ef551c776.zip
[PATCH] Factor out nfsd_do_readdir() into its own function
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to '')
-rw-r--r--fs/nfsd/vfs.c40
1 files changed, 24 insertions, 16 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index aa1d0d6489a1..14eda20cc291 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1813,6 +1813,29 @@ out:
return err;
}
+static int nfsd_do_readdir(struct file *file, filldir_t func,
+ struct readdir_cd *cdp, loff_t *offsetp)
+{
+ int host_err;
+
+ /*
+ * Read the directory entries. This silly loop is necessary because
+ * readdir() is not guaranteed to fill up the entire buffer, but
+ * may choose to do less.
+ */
+ do {
+ cdp->err = nfserr_eof; /* will be cleared on successful read */
+ host_err = vfs_readdir(file, func, cdp);
+ } while (host_err >=0 && cdp->err == nfs_ok);
+
+ *offsetp = vfs_llseek(file, 0, 1);
+
+ if (host_err)
+ return nfserrno(host_err);
+ else
+ return cdp->err;
+}
+
/*
* Read entries from a directory.
* The NFSv3/4 verifier we ignore for now.
@@ -1822,7 +1845,6 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,
struct readdir_cd *cdp, filldir_t func)
{
__be32 err;
- int host_err;
struct file *file;
loff_t offset = *offsetp;
@@ -1836,21 +1858,7 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,
goto out_close;
}
- /*
- * Read the directory entries. This silly loop is necessary because
- * readdir() is not guaranteed to fill up the entire buffer, but
- * may choose to do less.
- */
-
- do {
- cdp->err = nfserr_eof; /* will be cleared on successful read */
- host_err = vfs_readdir(file, func, cdp);
- } while (host_err >=0 && cdp->err == nfs_ok);
- if (host_err)
- err = nfserrno(host_err);
- else
- err = cdp->err;
- *offsetp = vfs_llseek(file, 0, 1);
+ err = nfsd_do_readdir(file, func, cdp, offsetp);
if (err == nfserr_eof || err == nfserr_toosmall)
err = nfs_ok; /* can still be found in ->err */