aboutsummaryrefslogtreecommitdiffstats
path: root/fs/nfsd/nfs4state.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-29 14:21:12 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-29 14:21:12 -0400
commita74d70b63f1a0230831bcca3145d85ae016f9d4c (patch)
tree24392a2843b19e81a1a38d88b34e772bd688502b /fs/nfsd/nfs4state.c
parentb11b06d90a41766c2d31f0acb8a87aa0f2a7188f (diff)
parentc47d832bc0155153920e507f075647519bad09a2 (diff)
Merge branch 'for-2.6.40' of git://linux-nfs.org/~bfields/linux
* 'for-2.6.40' of git://linux-nfs.org/~bfields/linux: (22 commits) nfsd: make local functions static NFSD: Remove unused variable from nfsd4_decode_bind_conn_to_session() NFSD: Check status from nfsd4_map_bcts_dir() NFSD: Remove setting unused variable in nfsd_vfs_read() nfsd41: error out on repeated RECLAIM_COMPLETE nfsd41: compare request's opcnt with session's maxops at nfsd4_sequence nfsd v4.1 lOCKT clientid field must be ignored nfsd41: add flag checking for create_session nfsd41: make sure nfs server process OPEN with EXCLUSIVE4_1 correctly nfsd4: fix wrongsec handling for PUTFH + op cases nfsd4: make fh_verify responsibility of nfsd_lookup_dentry caller nfsd4: introduce OPDESC helper nfsd4: allow fh_verify caller to skip pseudoflavor checks nfsd: distinguish functions of NFSD_MAY_* flags svcrpc: complete svsk processing on cb receive failure svcrpc: take advantage of tcp autotuning SUNRPC: Don't wait for full record to receive tcp data svcrpc: copy cb reply instead of pages svcrpc: close connection if client sends short packet svcrpc: note network-order types in svc_process_calldir ...
Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r--fs/nfsd/nfs4state.c42
1 files changed, 33 insertions, 9 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4cf04e11c66c..e98f3c2e9492 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1519,6 +1519,9 @@ nfsd4_create_session(struct svc_rqst *rqstp,
1519 bool confirm_me = false; 1519 bool confirm_me = false;
1520 int status = 0; 1520 int status = 0;
1521 1521
1522 if (cr_ses->flags & ~SESSION4_FLAG_MASK_A)
1523 return nfserr_inval;
1524
1522 nfs4_lock_state(); 1525 nfs4_lock_state();
1523 unconf = find_unconfirmed_client(&cr_ses->clientid); 1526 unconf = find_unconfirmed_client(&cr_ses->clientid);
1524 conf = find_confirmed_client(&cr_ses->clientid); 1527 conf = find_confirmed_client(&cr_ses->clientid);
@@ -1637,8 +1640,9 @@ __be32 nfsd4_bind_conn_to_session(struct svc_rqst *rqstp,
1637 return nfserr_badsession; 1640 return nfserr_badsession;
1638 1641
1639 status = nfsd4_map_bcts_dir(&bcts->dir); 1642 status = nfsd4_map_bcts_dir(&bcts->dir);
1640 nfsd4_new_conn(rqstp, cstate->session, bcts->dir); 1643 if (!status)
1641 return nfs_ok; 1644 nfsd4_new_conn(rqstp, cstate->session, bcts->dir);
1645 return status;
1642} 1646}
1643 1647
1644static bool nfsd4_compound_in_session(struct nfsd4_session *session, struct nfs4_sessionid *sid) 1648static bool nfsd4_compound_in_session(struct nfsd4_session *session, struct nfs4_sessionid *sid)
@@ -1725,6 +1729,13 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi
1725 return; 1729 return;
1726} 1730}
1727 1731
1732static bool nfsd4_session_too_many_ops(struct svc_rqst *rqstp, struct nfsd4_session *session)
1733{
1734 struct nfsd4_compoundargs *args = rqstp->rq_argp;
1735
1736 return args->opcnt > session->se_fchannel.maxops;
1737}
1738
1728__be32 1739__be32
1729nfsd4_sequence(struct svc_rqst *rqstp, 1740nfsd4_sequence(struct svc_rqst *rqstp,
1730 struct nfsd4_compound_state *cstate, 1741 struct nfsd4_compound_state *cstate,
@@ -1753,6 +1764,10 @@ nfsd4_sequence(struct svc_rqst *rqstp,
1753 if (!session) 1764 if (!session)
1754 goto out; 1765 goto out;
1755 1766
1767 status = nfserr_too_many_ops;
1768 if (nfsd4_session_too_many_ops(rqstp, session))
1769 goto out;
1770
1756 status = nfserr_badslot; 1771 status = nfserr_badslot;
1757 if (seq->slotid >= session->se_fchannel.maxreqs) 1772 if (seq->slotid >= session->se_fchannel.maxreqs)
1758 goto out; 1773 goto out;
@@ -1808,6 +1823,8 @@ out:
1808__be32 1823__be32
1809nfsd4_reclaim_complete(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_reclaim_complete *rc) 1824nfsd4_reclaim_complete(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_reclaim_complete *rc)
1810{ 1825{
1826 int status = 0;
1827
1811 if (rc->rca_one_fs) { 1828 if (rc->rca_one_fs) {
1812 if (!cstate->current_fh.fh_dentry) 1829 if (!cstate->current_fh.fh_dentry)
1813 return nfserr_nofilehandle; 1830 return nfserr_nofilehandle;
@@ -1817,9 +1834,14 @@ nfsd4_reclaim_complete(struct svc_rqst *rqstp, struct nfsd4_compound_state *csta
1817 */ 1834 */
1818 return nfs_ok; 1835 return nfs_ok;
1819 } 1836 }
1837
1820 nfs4_lock_state(); 1838 nfs4_lock_state();
1821 if (is_client_expired(cstate->session->se_client)) { 1839 status = nfserr_complete_already;
1822 nfs4_unlock_state(); 1840 if (cstate->session->se_client->cl_firststate)
1841 goto out;
1842
1843 status = nfserr_stale_clientid;
1844 if (is_client_expired(cstate->session->se_client))
1823 /* 1845 /*
1824 * The following error isn't really legal. 1846 * The following error isn't really legal.
1825 * But we only get here if the client just explicitly 1847 * But we only get here if the client just explicitly
@@ -1827,11 +1849,13 @@ nfsd4_reclaim_complete(struct svc_rqst *rqstp, struct nfsd4_compound_state *csta
1827 * error it gets back on an operation for the dead 1849 * error it gets back on an operation for the dead
1828 * client. 1850 * client.
1829 */ 1851 */
1830 return nfserr_stale_clientid; 1852 goto out;
1831 } 1853
1854 status = nfs_ok;
1832 nfsd4_create_clid_dir(cstate->session->se_client); 1855 nfsd4_create_clid_dir(cstate->session->se_client);
1856out:
1833 nfs4_unlock_state(); 1857 nfs4_unlock_state();
1834 return nfs_ok; 1858 return status;
1835} 1859}
1836 1860
1837__be32 1861__be32
@@ -2462,7 +2486,7 @@ find_delegation_file(struct nfs4_file *fp, stateid_t *stid)
2462 return NULL; 2486 return NULL;
2463} 2487}
2464 2488
2465int share_access_to_flags(u32 share_access) 2489static int share_access_to_flags(u32 share_access)
2466{ 2490{
2467 share_access &= ~NFS4_SHARE_WANT_MASK; 2491 share_access &= ~NFS4_SHARE_WANT_MASK;
2468 2492
@@ -2882,7 +2906,7 @@ out:
2882 return status; 2906 return status;
2883} 2907}
2884 2908
2885struct lock_manager nfsd4_manager = { 2909static struct lock_manager nfsd4_manager = {
2886}; 2910};
2887 2911
2888static void 2912static void