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[fs/lustre-release.git] / lustre / mds / mds_lib.c
diff --git a/lustre/mds/mds_lib.c b/lustre/mds/mds_lib.c
index 2a68fb5..3244cf6 100644 (file)
--- a/lustre/mds/mds_lib.c
+++ b/lustre/mds/mds_lib.c
@@ -24,7 +24,7 @@
 
 #define DEBUG_SUBSYSTEM S_MDS
 
-#ifdef HAVE_KERNEL_CONFIG_H
+#ifndef AUTOCONF_INCLUDED
 #include <linux/config.h>
 #endif
 #include <linux/module.h>
@@ -34,11 +34,7 @@
 #include <linux/stat.h>
 #include <linux/errno.h>
 #include <linux/version.h>
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-# include <linux/locks.h>   // for wait_on_buffer
-#else
-# include <linux/buffer_head.h>   // for wait_on_buffer
-#endif
+#include <linux/buffer_head.h>   // for wait_on_buffer
 #include <linux/unistd.h>
 
 #include <asm/system.h>
@@ -48,7 +44,9 @@
 #include <linux/stat.h>
 #include <asm/uaccess.h>
 #include <linux/slab.h>
-#include <asm/segment.h>
+#ifdef HAVE_SEGMENT_H
+# include <asm/segment.h>
+#endif
 
 #include <obd_support.h>
 #include <lustre_lib.h>
@@ -78,7 +76,7 @@ void mds_pack_inode2body(struct mds_body *b, struct inode *inode)
         b->mtime = LTIME_S(inode->i_mtime);
         b->ctime = LTIME_S(inode->i_ctime);
         b->mode = inode->i_mode;
-        b->size = inode->i_size;
+        b->size = i_size_read(inode);
         b->blocks = inode->i_blocks;
         b->uid = inode->i_uid;
         b->gid = inode->i_gid;
@@ -90,6 +88,46 @@ void mds_pack_inode2body(struct mds_body *b, struct inode *inode)
         b->suppgid = -1;
 }
 
+static inline unsigned int attr_unpack(__u64 sa_valid) {
+        unsigned int ia_valid = 0;
+
+        if (sa_valid & MDS_ATTR_MODE)
+                ia_valid |= ATTR_MODE;
+        if (sa_valid & MDS_ATTR_UID)
+                ia_valid |= ATTR_UID;
+        if (sa_valid & MDS_ATTR_GID)
+                ia_valid |= ATTR_GID;
+        if (sa_valid & MDS_ATTR_SIZE)
+                ia_valid |= ATTR_SIZE;
+        if (sa_valid & MDS_ATTR_ATIME)
+                ia_valid |= ATTR_ATIME;
+        if (sa_valid & MDS_ATTR_MTIME)
+                ia_valid |= ATTR_MTIME;
+        if (sa_valid & MDS_ATTR_CTIME)
+                ia_valid |= ATTR_CTIME;
+        if (sa_valid & MDS_ATTR_ATIME_SET)
+                ia_valid |= ATTR_ATIME_SET;
+        if (sa_valid & MDS_ATTR_MTIME_SET)
+                ia_valid |= ATTR_MTIME_SET;
+        if (sa_valid & MDS_ATTR_FORCE)
+                ia_valid |= ATTR_FORCE;
+        if (sa_valid & MDS_ATTR_ATTR_FLAG)
+                ia_valid |= ATTR_ATTR_FLAG;
+        if (sa_valid & MDS_ATTR_KILL_SUID)
+                ia_valid |=  ATTR_KILL_SUID;
+        if (sa_valid & MDS_ATTR_KILL_SGID)
+                ia_valid |= ATTR_KILL_SGID;
+        if (sa_valid & MDS_ATTR_CTIME_SET)
+                ia_valid |= ATTR_CTIME_SET;
+        if (sa_valid & MDS_ATTR_FROM_OPEN)
+                ia_valid |= ATTR_FROM_OPEN;
+        if (sa_valid & MDS_ATTR_BLOCKS)
+                ia_valid |= ATTR_BLOCKS;
+        if (sa_valid & MDS_OPEN_OWNEROVERRIDE)
+                ia_valid |= MDS_OPEN_OWNEROVERRIDE;
+        return ia_valid;
+}
+
 /* unpacking */
 static int mds_setattr_unpack(struct ptlrpc_request *req, int offset,
                               struct mds_update_record *r)
@@ -106,10 +144,12 @@ static int mds_setattr_unpack(struct ptlrpc_request *req, int offset,
         r->ur_uc.luc_fsuid = rec->sa_fsuid;
         r->ur_uc.luc_fsgid = rec->sa_fsgid;
         r->ur_uc.luc_cap = rec->sa_cap;
+#if 0
         r->ur_uc.luc_suppgid1 = rec->sa_suppgid;
         r->ur_uc.luc_suppgid2 = -1;
+#endif
         r->ur_fid1 = &rec->sa_fid;
-        attr->ia_valid = rec->sa_valid;
+        attr->ia_valid = attr_unpack(rec->sa_valid);
         attr->ia_mode = rec->sa_mode;
         attr->ia_uid = rec->sa_uid;
         attr->ia_gid = rec->sa_gid;
@@ -119,22 +159,26 @@ static int mds_setattr_unpack(struct ptlrpc_request *req, int offset,
         LTIME_S(attr->ia_ctime) = rec->sa_ctime;
         r->ur_flags = rec->sa_attr_flags;
 
-        LASSERT_REQSWAB (req, offset + 1);
-        if (lustre_msg_bufcount(req->rq_reqmsg) > offset + 1) {
+        lustre_set_req_swabbed(req, offset + 1);
+        r->ur_eadatalen = lustre_msg_buflen(req->rq_reqmsg, offset + 1);
+        if (r->ur_eadatalen) {
                 r->ur_eadata = lustre_msg_buf(req->rq_reqmsg, offset + 1, 0);
                 if (r->ur_eadata == NULL)
                         RETURN(-EFAULT);
-                r->ur_eadatalen = lustre_msg_buflen(req->rq_reqmsg, offset + 1);
         }
-
-        if (lustre_msg_bufcount(req->rq_reqmsg) > offset + 2) {
+        r->ur_cookielen = lustre_msg_buflen(req->rq_reqmsg, offset + 2);
+        if (r->ur_cookielen) {
                 r->ur_logcookies = lustre_msg_buf(req->rq_reqmsg, offset + 2,0);
                 if (r->ur_eadata == NULL)
                         RETURN (-EFAULT);
-
-                r->ur_cookielen = lustre_msg_buflen(req->rq_reqmsg, offset + 2);
         }
-
+        if (lustre_msg_buflen(req->rq_reqmsg, offset + 3)) {
+                r->ur_dlm = lustre_swab_reqbuf(req, offset + 3,
+                                               sizeof(*r->ur_dlm),
+                                               lustre_swab_ldlm_request); 
+                if (r->ur_dlm == NULL)
+                        RETURN (-EFAULT);
+        }
         RETURN(0);
 }
 
@@ -152,8 +196,10 @@ static int mds_create_unpack(struct ptlrpc_request *req, int offset,
         r->ur_uc.luc_fsuid = rec->cr_fsuid;
         r->ur_uc.luc_fsgid = rec->cr_fsgid;
         r->ur_uc.luc_cap = rec->cr_cap;
+#if 0
         r->ur_uc.luc_suppgid1 = rec->cr_suppgid;
         r->ur_uc.luc_suppgid2 = -1;
+#endif
         r->ur_fid1 = &rec->cr_fid;
         r->ur_fid2 = &rec->cr_replayfid;
         r->ur_mode = rec->cr_mode;
@@ -161,14 +207,15 @@ static int mds_create_unpack(struct ptlrpc_request *req, int offset,
         r->ur_time = rec->cr_time;
         r->ur_flags = rec->cr_flags;
 
-        LASSERT_REQSWAB(req, offset + 1);
+        lustre_set_req_swabbed(req, offset + 1);
         r->ur_name = lustre_msg_string(req->rq_reqmsg, offset + 1, 0);
         if (r->ur_name == NULL)
                 RETURN (-EFAULT);
         r->ur_namelen = lustre_msg_buflen(req->rq_reqmsg, offset + 1);
 
-        LASSERT_REQSWAB(req, offset + 2);
-        if (lustre_msg_bufcount(req->rq_reqmsg) > offset + 2) {
+        lustre_set_req_swabbed(req, offset + 2);
+        r->ur_tgtlen = lustre_msg_buflen(req->rq_reqmsg, offset + 2);
+        if (r->ur_tgtlen) {
                 /* NB for now, we only seem to pass NULL terminated symlink
                  * target strings here.  If this ever changes, we'll have
                  * to stop checking for a buffer filled completely with a
@@ -179,7 +226,13 @@ static int mds_create_unpack(struct ptlrpc_request *req, int offset,
                 r->ur_tgt = lustre_msg_string(req->rq_reqmsg, offset + 2, 0);
                 if (r->ur_tgt == NULL)
                         RETURN (-EFAULT);
-                r->ur_tgtlen = lustre_msg_buflen(req->rq_reqmsg, offset + 2);
+        }
+        if (lustre_msg_buflen(req->rq_reqmsg, offset + 3)) {
+                r->ur_dlm = lustre_swab_reqbuf(req, offset + 3,
+                                               sizeof(*r->ur_dlm),
+                                               lustre_swab_ldlm_request); 
+                if (r->ur_dlm == NULL)
+                        RETURN (-EFAULT);
         }
         RETURN(0);
 }
@@ -198,17 +251,26 @@ static int mds_link_unpack(struct ptlrpc_request *req, int offset,
         r->ur_uc.luc_fsuid = rec->lk_fsuid;
         r->ur_uc.luc_fsgid = rec->lk_fsgid;
         r->ur_uc.luc_cap = rec->lk_cap;
+#if 0
         r->ur_uc.luc_suppgid1 = rec->lk_suppgid1;
         r->ur_uc.luc_suppgid2 = rec->lk_suppgid2;
+#endif
         r->ur_fid1 = &rec->lk_fid1;
         r->ur_fid2 = &rec->lk_fid2;
         r->ur_time = rec->lk_time;
 
-        LASSERT_REQSWAB(req, offset + 1);
+        lustre_set_req_swabbed(req, offset + 1);
         r->ur_name = lustre_msg_string(req->rq_reqmsg, offset + 1, 0);
         if (r->ur_name == NULL)
                 RETURN (-EFAULT);
         r->ur_namelen = lustre_msg_buflen(req->rq_reqmsg, offset + 1);
+        if (lustre_msg_buflen(req->rq_reqmsg, offset + 2)) {
+                r->ur_dlm = lustre_swab_reqbuf(req, offset + 2,
+                                               sizeof(*r->ur_dlm),
+                                               lustre_swab_ldlm_request); 
+                if (r->ur_dlm == NULL)
+                        RETURN (-EFAULT);
+        }
         RETURN(0);
 }
 
@@ -226,18 +288,28 @@ static int mds_unlink_unpack(struct ptlrpc_request *req, int offset,
         r->ur_uc.luc_fsuid = rec->ul_fsuid;
         r->ur_uc.luc_fsgid = rec->ul_fsgid;
         r->ur_uc.luc_cap = rec->ul_cap;
+#if 0
         r->ur_uc.luc_suppgid1 = rec->ul_suppgid;
         r->ur_uc.luc_suppgid2 = -1;
+#endif
         r->ur_mode = rec->ul_mode;
         r->ur_fid1 = &rec->ul_fid1;
         r->ur_fid2 = &rec->ul_fid2;
         r->ur_time = rec->ul_time;
 
-        LASSERT_REQSWAB(req, offset + 1);
+        lustre_set_req_swabbed(req, offset + 1);
         r->ur_name = lustre_msg_string(req->rq_reqmsg, offset + 1, 0);
         if (r->ur_name == NULL)
                 RETURN(-EFAULT);
         r->ur_namelen = lustre_msg_buflen(req->rq_reqmsg, offset + 1);
+        
+        if (lustre_msg_buflen(req->rq_reqmsg, offset + 2)) {
+                r->ur_dlm = lustre_swab_reqbuf(req, offset + 2,
+                                               sizeof(*r->ur_dlm),
+                                               lustre_swab_ldlm_request); 
+                if (r->ur_dlm == NULL)
+                        RETURN (-EFAULT);
+        }
         RETURN(0);
 }
 
@@ -255,23 +327,32 @@ static int mds_rename_unpack(struct ptlrpc_request *req, int offset,
         r->ur_uc.luc_fsuid = rec->rn_fsuid;
         r->ur_uc.luc_fsgid = rec->rn_fsgid;
         r->ur_uc.luc_cap = rec->rn_cap;
+#if 0
         r->ur_uc.luc_suppgid1 = rec->rn_suppgid1;
         r->ur_uc.luc_suppgid2 = rec->rn_suppgid2;
+#endif
         r->ur_fid1 = &rec->rn_fid1;
         r->ur_fid2 = &rec->rn_fid2;
         r->ur_time = rec->rn_time;
 
-        LASSERT_REQSWAB (req, offset + 1);
+        lustre_set_req_swabbed(req, offset + 1);
         r->ur_name = lustre_msg_string(req->rq_reqmsg, offset + 1, 0);
         if (r->ur_name == NULL)
                 RETURN(-EFAULT);
         r->ur_namelen = lustre_msg_buflen(req->rq_reqmsg, offset + 1);
 
-        LASSERT_REQSWAB (req, offset + 2);
+        lustre_set_req_swabbed(req, offset + 2);
         r->ur_tgt = lustre_msg_string(req->rq_reqmsg, offset + 2, 0);
         if (r->ur_tgt == NULL)
                 RETURN(-EFAULT);
         r->ur_tgtlen = lustre_msg_buflen(req->rq_reqmsg, offset + 2);
+        if (lustre_msg_buflen(req->rq_reqmsg, offset + 3)) {
+                r->ur_dlm = lustre_swab_reqbuf(req, offset + 3,
+                                               sizeof(*r->ur_dlm),
+                                               lustre_swab_ldlm_request); 
+                if (r->ur_dlm == NULL)
+                        RETURN (-EFAULT);
+        }
         RETURN(0);
 }
 
@@ -289,8 +370,10 @@ static int mds_open_unpack(struct ptlrpc_request *req, int offset,
         r->ur_uc.luc_fsuid = rec->cr_fsuid;
         r->ur_uc.luc_fsgid = rec->cr_fsgid;
         r->ur_uc.luc_cap = rec->cr_cap;
+#if 0
         r->ur_uc.luc_suppgid1 = rec->cr_suppgid;
         r->ur_uc.luc_suppgid2 = -1;
+#endif
         r->ur_fid1 = &rec->cr_fid;
         r->ur_fid2 = &rec->cr_replayfid;
         r->ur_mode = rec->cr_mode;
@@ -298,18 +381,18 @@ static int mds_open_unpack(struct ptlrpc_request *req, int offset,
         r->ur_time = rec->cr_time;
         r->ur_flags = rec->cr_flags;
 
-        LASSERT_REQSWAB(req, offset + 1);
+        lustre_set_req_swabbed(req, offset + 1);
         r->ur_name = lustre_msg_string(req->rq_reqmsg, offset + 1, 0);
         if (r->ur_name == NULL)
                 RETURN(-EFAULT);
         r->ur_namelen = lustre_msg_buflen(req->rq_reqmsg, offset + 1);
 
-        LASSERT_REQSWAB(req, offset + 2);
-        if (lustre_msg_bufcount(req->rq_reqmsg) > offset + 2) {
+        lustre_set_req_swabbed(req, offset + 2);
+        r->ur_eadatalen = lustre_msg_buflen(req->rq_reqmsg, offset + 2);
+        if (r->ur_eadatalen) {
                 r->ur_eadata = lustre_msg_buf(req->rq_reqmsg, offset + 2, 0);
                 if (r->ur_eadata == NULL)
                         RETURN (-EFAULT);
-                r->ur_eadatalen = lustre_msg_buflen(req->rq_reqmsg, offset + 2);
         }
         RETURN(0);
 }
@@ -360,8 +443,10 @@ int mds_init_ucred(struct lvfs_ucred *ucred, struct ptlrpc_request *req,
 {
         struct mds_body *body = lustre_msg_buf(req->rq_reqmsg, offset,
                                                sizeof(*body));
+#if 0
         struct mds_obd *mds = mds_req2mds(req);
         int rc;
+#endif
 
         LASSERT(body != NULL); /* previously verified & swabbed by caller */
 
@@ -378,6 +463,7 @@ int mds_init_ucred(struct lvfs_ucred *ucred, struct ptlrpc_request *req,
                 ucred->luc_cap = body->capability;
         }
 
+#if 0
         ucred->luc_uce = upcall_cache_get_entry(mds->mds_group_hash,
                                                 ucred->luc_fsuid,
                                                 ucred->luc_fsgid, 1,
@@ -392,11 +478,14 @@ int mds_init_ucred(struct lvfs_ucred *ucred, struct ptlrpc_request *req,
         if (ucred->luc_uce)
                 ucred->luc_fsgid = ucred->luc_uce->ue_primary;
 #endif
+#endif
 
         return 0;
 }
 
 void mds_exit_ucred(struct lvfs_ucred *ucred, struct mds_obd *mds)
 {
+#if 0
         upcall_cache_put_entry(mds->mds_group_hash, ucred->luc_uce);
+#endif
 }
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