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[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>
This commit is contained in:
David Woodhouse 2008-07-31 17:16:51 +01:00 committed by Al Viro
parent f3f8e17571
commit 2628b76636
1 changed files with 24 additions and 16 deletions
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40
fs/nfsd/vfs.c
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@ -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 */