X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=fs%2Fcifs%2Fdir.c;h=7c0a8128364546111322b4a89caef9009a276980;hb=5e090ed7af10729a396a25df43d69a236e789736;hp=781025be48bc47581c7484e8d55948914d588848;hpb=4a553e1450827acb1b4bcaa5a0ae079209d16038;p=cascardo%2Flinux.git diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 781025be48bc..7c0a81283645 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -160,17 +160,18 @@ check_name(struct dentry *direntry) static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, struct tcon_link *tlink, unsigned oflags, umode_t mode, - __u32 *oplock, __u16 *fileHandle, int *created) + __u32 *oplock, struct cifs_fid *fid, int *created) { int rc = -ENOENT; int create_options = CREATE_NOT_DIR; - int desiredAccess; + int desired_access; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct cifs_tcon *tcon = tlink_tcon(tlink); char *full_path = NULL; FILE_ALL_INFO *buf = NULL; struct inode *newinode = NULL; int disposition; + struct TCP_Server_Info *server = tcon->ses->server; *oplock = 0; if (tcon->ses->server->oplocks) @@ -185,8 +186,8 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, if (tcon->unix_ext && cap_unix(tcon->ses) && !tcon->broken_posix_open && (CIFS_UNIX_POSIX_PATH_OPS_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability))) { - rc = cifs_posix_open(full_path, &newinode, - inode->i_sb, mode, oflags, oplock, fileHandle, xid); + rc = cifs_posix_open(full_path, &newinode, inode->i_sb, mode, + oflags, oplock, &fid->netfid, xid); switch (rc) { case 0: if (newinode == NULL) { @@ -202,7 +203,7 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, * close it and proceed as if it were a normal * lookup. */ - CIFSSMBClose(xid, tcon, *fileHandle); + CIFSSMBClose(xid, tcon, fid->netfid); goto cifs_create_get_file_info; } /* success, no need to query */ @@ -244,11 +245,11 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, */ } - desiredAccess = 0; + desired_access = 0; if (OPEN_FMODE(oflags) & FMODE_READ) - desiredAccess |= GENERIC_READ; /* is this too little? */ + desired_access |= GENERIC_READ; /* is this too little? */ if (OPEN_FMODE(oflags) & FMODE_WRITE) - desiredAccess |= GENERIC_WRITE; + desired_access |= GENERIC_WRITE; disposition = FILE_OVERWRITE_IF; if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) @@ -260,8 +261,15 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, else cFYI(1, "Create flag not set in create function"); - /* BB add processing to set equivalent of mode - e.g. via CreateX with - ACLs */ + /* + * BB add processing to set equivalent of mode - e.g. via CreateX with + * ACLs + */ + + if (!server->ops->open) { + rc = -ENOSYS; + goto out; + } buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); if (buf == NULL) { @@ -279,28 +287,18 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; - if (tcon->ses->capabilities & CAP_NT_SMBS) - rc = CIFSSMBOpen(xid, tcon, full_path, disposition, - desiredAccess, create_options, - fileHandle, oplock, buf, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - else - rc = -EIO; /* no NT SMB support fall into legacy open below */ - - if (rc == -EIO) { - /* old server, retry the open legacy style */ - rc = SMBLegacyOpen(xid, tcon, full_path, disposition, - desiredAccess, create_options, - fileHandle, oplock, buf, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - } + rc = server->ops->open(xid, tcon, full_path, disposition, + desired_access, create_options, fid, oplock, + buf, cifs_sb); if (rc) { cFYI(1, "cifs_create returned 0x%x", rc); goto out; } - /* If Open reported that we actually created a file - then we now have to set the mode if possible */ + /* + * If Open reported that we actually created a file then we now have to + * set the mode if possible. + */ if ((tcon->unix_ext) && (*oplock & CIFS_CREATE_ACTION)) { struct cifs_unix_set_info_args args = { .mode = mode, @@ -321,11 +319,13 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, args.uid = NO_CHANGE_64; args.gid = NO_CHANGE_64; } - CIFSSMBUnixSetFileInfo(xid, tcon, &args, *fileHandle, - current->tgid); + CIFSSMBUnixSetFileInfo(xid, tcon, &args, fid->netfid, + current->tgid); } else { - /* BB implement mode setting via Windows security - descriptors e.g. */ + /* + * BB implement mode setting via Windows security + * descriptors e.g. + */ /* CIFSSMBWinSetPerms(xid,tcon,path,mode,-1,-1,nls);*/ /* Could set r/o dos attribute if mode & 0222 == 0 */ @@ -334,12 +334,14 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, cifs_create_get_file_info: /* server might mask mode so we have to query for it */ if (tcon->unix_ext) - rc = cifs_get_inode_info_unix(&newinode, full_path, - inode->i_sb, xid); + rc = cifs_get_inode_info_unix(&newinode, full_path, inode->i_sb, + xid); else { - rc = cifs_get_inode_info(&newinode, full_path, buf, - inode->i_sb, xid, fileHandle); + rc = cifs_get_inode_info(&newinode, full_path, buf, inode->i_sb, + xid, &fid->netfid); if (newinode) { + if (server->ops->set_lease_key) + server->ops->set_lease_key(newinode, fid); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) newinode->i_mode = mode; if ((*oplock & CIFS_CREATE_ACTION) && @@ -356,7 +358,8 @@ cifs_create_get_file_info: cifs_create_set_dentry: if (rc != 0) { cFYI(1, "Create worked, get_inode_info failed rc = %d", rc); - CIFSSMBClose(xid, tcon, *fileHandle); + if (server->ops->close) + server->ops->close(xid, tcon, fid); goto out; } d_drop(direntry); @@ -377,11 +380,14 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, unsigned int xid; struct tcon_link *tlink; struct cifs_tcon *tcon; - __u16 fileHandle; + struct TCP_Server_Info *server; + struct cifs_fid fid; + struct cifs_pending_open open; __u32 oplock; - struct cifsFileInfo *pfile_info; + struct cifsFileInfo *file_info; - /* Posix open is only called (at lookup time) for file create now. For + /* + * Posix open is only called (at lookup time) for file create now. For * opens (rather than creates), because we do not know if it is a file * or directory yet, and current Samba no longer allows us to do posix * open on dirs, we could end up wasting an open call on what turns out @@ -413,22 +419,34 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, goto out_free_xid; tcon = tlink_tcon(tlink); + server = tcon->ses->server; + + if (server->ops->new_lease_key) + server->ops->new_lease_key(&fid); + + cifs_add_pending_open(&fid, tlink, &open); rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, - &oplock, &fileHandle, opened); + &oplock, &fid, opened); - if (rc) + if (rc) { + cifs_del_pending_open(&open); goto out; + } rc = finish_open(file, direntry, generic_file_open, opened); if (rc) { - CIFSSMBClose(xid, tcon, fileHandle); + if (server->ops->close) + server->ops->close(xid, tcon, &fid); + cifs_del_pending_open(&open); goto out; } - pfile_info = cifs_new_fileinfo(fileHandle, file, tlink, oplock); - if (pfile_info == NULL) { - CIFSSMBClose(xid, tcon, fileHandle); + file_info = cifs_new_fileinfo(&fid, file, tlink, oplock); + if (file_info == NULL) { + if (server->ops->close) + server->ops->close(xid, tcon, &fid); + cifs_del_pending_open(&open); rc = -ENOMEM; } @@ -453,7 +471,9 @@ int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, */ unsigned oflags = O_EXCL | O_CREAT | O_RDWR; struct tcon_link *tlink; - __u16 fileHandle; + struct cifs_tcon *tcon; + struct TCP_Server_Info *server; + struct cifs_fid fid; __u32 oplock; int created = FILE_CREATED; @@ -465,10 +485,16 @@ int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, if (IS_ERR(tlink)) goto out_free_xid; + tcon = tlink_tcon(tlink); + server = tcon->ses->server; + + if (server->ops->new_lease_key) + server->ops->new_lease_key(&fid); + rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, - &oplock, &fileHandle, &created); - if (!rc) - CIFSSMBClose(xid, tlink_tcon(tlink), fileHandle); + &oplock, &fid, &created); + if (!rc && server->ops->close) + server->ops->close(xid, tcon, &fid); cifs_put_tlink(tlink); out_free_xid: