fs/9p/vfs_inode.c

40  * @v9ses: v9fs session information
45 static u32 unixmode2p9mode(struct v9fs_session_info *v9ses, umode_t mode)
52 	if (v9fs_proto_dotu(v9ses)) {
53 		if (v9ses->nodev == 0) {
76  * @v9ses: v9fs session information
80 static int p9mode2perm(struct v9fs_session_info *v9ses,
87 	if (v9fs_proto_dotu(v9ses)) {
102  * @v9ses: v9fs session information
107 static umode_t p9mode2unixmode(struct v9fs_session_info *v9ses,
114 	res = p9mode2perm(v9ses, stat);
118 	else if ((mode & P9_DMSYMLINK) && (v9fs_proto_dotu(v9ses)))
120 	else if ((mode & P9_DMSOCKET) && (v9fs_proto_dotu(v9ses))
121 		 && (v9ses->nodev == 0))
123 	else if ((mode & P9_DMNAMEDPIPE) && (v9fs_proto_dotu(v9ses))
124 		 && (v9ses->nodev == 0))
126 	else if ((mode & P9_DMDEVICE) && (v9fs_proto_dotu(v9ses))
127 		 && (v9ses->nodev == 0)) {
258 int v9fs_init_inode(struct v9fs_session_info *v9ses,
278 		if (v9fs_proto_dotl(v9ses)) {
280 		} else if (v9fs_proto_dotu(v9ses)) {
291 		if (v9fs_proto_dotl(v9ses)) {
301 		if (!v9fs_proto_dotu(v9ses) && !v9fs_proto_dotl(v9ses)) {
308 		if (v9fs_proto_dotl(v9ses))
316 		if (v9fs_proto_dotl(v9ses))
318 		else if (v9fs_proto_dotu(v9ses))
323 		if (v9fs_proto_dotl(v9ses))
375 	struct v9fs_session_info *v9ses = sb->s_fs_info;
404 	umode = p9mode2unixmode(v9ses, st, &rdev);
405 	retval = v9fs_init_inode(v9ses, inode, &fid->qid, umode, rdev);
475 	struct v9fs_session_info *v9ses;
480 	v9ses = v9fs_inode2v9ses(dir);
488 	if (v9fs_proto_dotl(v9ses))
525  * @v9ses: session information
534 v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
578 		inode = v9fs_get_inode_from_fid(v9ses, fid, dir->i_sb, true);
614 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
615 	u32 perm = unixmode2p9mode(v9ses, mode);
619 	fid = v9fs_create(v9ses, dir, dentry, NULL, perm, P9_ORDWR);
644 	struct v9fs_session_info *v9ses;
648 	v9ses = v9fs_inode2v9ses(dir);
649 	perm = unixmode2p9mode(v9ses, mode | S_IFDIR);
650 	fid = v9fs_create(v9ses, dir, dentry, NULL, perm, P9_OREAD);
677 	struct v9fs_session_info *v9ses;
688 	v9ses = v9fs_inode2v9ses(dir);
707 		inode = v9fs_get_inode_from_fid(v9ses, fid, dir->i_sb, false);
734 	struct v9fs_session_info *v9ses;
753 	v9ses = v9fs_inode2v9ses(dir);
754 	perm = unixmode2p9mode(v9ses, mode);
755 	p9_omode = v9fs_uflags2omode(flags, v9fs_proto_dotu(v9ses));
757 	if ((v9ses->cache & CACHE_WRITEBACK) && (p9_omode & P9_OWRITE)) {
762 	fid = v9fs_create(v9ses, dir, dentry, NULL, perm, p9_omode);
777 	if (v9ses->cache & CACHE_FSCACHE)
782 	v9fs_fid_add_modes(fid, v9ses->flags, v9ses->cache, file->f_flags);
838 	struct v9fs_session_info *v9ses;
850 	v9ses = v9fs_inode2v9ses(old_inode);
875 	down_write(&v9ses->rename_sem);
876 	if (v9fs_proto_dotl(v9ses)) {
895 	wstat.muid = v9ses->uname;
919 	up_write(&v9ses->rename_sem);
944 	struct v9fs_session_info *v9ses;
949 	v9ses = v9fs_dentry2v9ses(dentry);
950 	if (v9ses->cache & (CACHE_META|CACHE_LOOSE)) {
953 	} else if (v9ses->cache & CACHE_WRITEBACK) {
992 	struct v9fs_session_info *v9ses;
1001 	v9ses = v9fs_dentry2v9ses(dentry);
1015 		wstat.mode = unixmode2p9mode(v9ses, iattr->ia_mode);
1026 	if (v9fs_proto_dotu(v9ses)) {
1056 		if (v9ses->cache & CACHE_FSCACHE) {
1085 	struct v9fs_session_info *v9ses = sb->s_fs_info;
1092 	inode->i_uid = v9ses->dfltuid;
1093 	inode->i_gid = v9ses->dfltgid;
1095 	if (v9fs_proto_dotu(v9ses)) {
1100 		if (v9fs_proto_dotu(v9ses)) {
1115 	mode = p9mode2perm(v9ses, stat);
1138 	struct v9fs_session_info *v9ses;
1146 	v9ses = v9fs_dentry2v9ses(dentry);
1147 	if (!v9fs_proto_dotu(v9ses))
1190 	struct v9fs_session_info *v9ses;
1192 	v9ses = v9fs_inode2v9ses(dir);
1193 	if (!v9fs_proto_dotu(v9ses)) {
1198 	fid = v9fs_create(v9ses, dir, dentry, (char *) extension, perm,
1278 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);
1295 	perm = unixmode2p9mode(v9ses, mode);
1306 	struct v9fs_session_info *v9ses;
1309 	v9ses = v9fs_inode2v9ses(inode);
1316 	umode = p9mode2unixmode(v9ses, st, &rdev);
1324 	flags = (v9ses->cache & CACHE_LOOSE) ?