X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fcifs%2Freaddir.c;h=0f22def4bdff47e30300dec9bcad5be12cd193d6;hb=b4f1255d6839bd970d5ff20a9c3d73f73c9adaa3;hp=b5b0a2a41befe85734ffc30dc47f68f76bf05790;hpb=12e36b2f41b6cbc67386fcb9c59c32a3e2033905;p=safe%2Fjmp%2Flinux-2.6 diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index b5b0a2a..0f22def 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -2,8 +2,8 @@ * fs/cifs/readdir.c * * Directory search handling - * - * Copyright (C) International Business Machines Corp., 2004, 2005 + * + * Copyright (C) International Business Machines Corp., 2004, 2007 * Author(s): Steve French (sfrench@us.ibm.com) * * This library is free software; you can redistribute it and/or modify @@ -23,7 +23,6 @@ #include #include #include -#include #include "cifspdu.h" #include "cifsglob.h" #include "cifsproto.h" @@ -35,24 +34,23 @@ #ifdef CONFIG_CIFS_DEBUG2 static void dump_cifs_file_struct(struct file *file, char *label) { - struct cifsFileInfo * cf; + struct cifsFileInfo *cf; - if(file) { + if (file) { cf = file->private_data; - if(cf == NULL) { - cFYI(1,("empty cifs private file data")); + if (cf == NULL) { + cFYI(1, ("empty cifs private file data")); return; } - if(cf->invalidHandle) { - cFYI(1,("invalid handle")); + if (cf->invalidHandle) { + cFYI(1, ("invalid handle")); } - if(cf->srch_inf.endOfSearch) { - cFYI(1,("end of search")); + if (cf->srch_inf.endOfSearch) { + cFYI(1, ("end of search")); } - if(cf->srch_inf.emptyDir) { - cFYI(1,("empty dir")); + if (cf->srch_inf.emptyDir) { + cFYI(1, ("empty dir")); } - } } #endif /* DEBUG2 */ @@ -68,36 +66,41 @@ static int construct_dentry(struct qstr *qstring, struct file *file, int rc = 0; cFYI(1, ("For %s", qstring->name)); - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; qstring->hash = full_name_hash(qstring->name, qstring->len); - tmp_dentry = d_lookup(file->f_dentry, qstring); + tmp_dentry = d_lookup(file->f_path.dentry, qstring); if (tmp_dentry) { - cFYI(0, ("existing dentry with inode 0x%p", tmp_dentry->d_inode)); + cFYI(0, ("existing dentry with inode 0x%p", + tmp_dentry->d_inode)); *ptmp_inode = tmp_dentry->d_inode; /* BB overwrite old name? i.e. tmp_dentry->d_name and tmp_dentry->d_name.len??*/ - if(*ptmp_inode == NULL) { - *ptmp_inode = new_inode(file->f_dentry->d_sb); - if(*ptmp_inode == NULL) + if (*ptmp_inode == NULL) { + *ptmp_inode = new_inode(file->f_path.dentry->d_sb); + if (*ptmp_inode == NULL) return rc; rc = 1; } + if (file->f_path.dentry->d_sb->s_flags & MS_NOATIME) + (*ptmp_inode)->i_flags |= S_NOATIME | S_NOCMTIME; } else { - tmp_dentry = d_alloc(file->f_dentry, qstring); - if(tmp_dentry == NULL) { - cERROR(1,("Failed allocating dentry")); + tmp_dentry = d_alloc(file->f_path.dentry, qstring); + if (tmp_dentry == NULL) { + cERROR(1, ("Failed allocating dentry")); *ptmp_inode = NULL; return rc; } - *ptmp_inode = new_inode(file->f_dentry->d_sb); + *ptmp_inode = new_inode(file->f_path.dentry->d_sb); if (pTcon->nocase) tmp_dentry->d_op = &cifs_ci_dentry_ops; else tmp_dentry->d_op = &cifs_dentry_ops; - if(*ptmp_inode == NULL) + if (*ptmp_inode == NULL) return rc; + if (file->f_path.dentry->d_sb->s_flags & MS_NOATIME) + (*ptmp_inode)->i_flags |= S_NOATIME | S_NOCMTIME; rc = 2; } @@ -106,9 +109,9 @@ static int construct_dentry(struct qstr *qstring, struct file *file, return rc; } -static void AdjustForTZ(struct cifsTconInfo * tcon, struct inode * inode) +static void AdjustForTZ(struct cifsTconInfo *tcon, struct inode *inode) { - if((tcon) && (tcon->ses) && (tcon->ses->server)) { + if ((tcon) && (tcon->ses) && (tcon->ses->server)) { inode->i_ctime.tv_sec += tcon->ses->server->timeAdj; inode->i_mtime.tv_sec += tcon->ses->server->timeAdj; inode->i_atime.tv_sec += tcon->ses->server->timeAdj; @@ -118,7 +121,7 @@ static void AdjustForTZ(struct cifsTconInfo * tcon, struct inode * inode) static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, - char * buf, int *pobject_type, int isNewInode) + char *buf, unsigned int *pobject_type, int isNewInode) { loff_t local_size; struct timespec local_mtime; @@ -133,7 +136,7 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, local_mtime = tmp_inode->i_mtime; local_size = tmp_inode->i_size; - if(new_buf_type) { + if (new_buf_type) { FILE_DIRECTORY_INFO *pfindData = (FILE_DIRECTORY_INFO *)buf; attr = le32_to_cpu(pfindData->ExtFileAttributes); @@ -147,7 +150,7 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime)); } else { /* legacy, OS2 and DOS style */ /* struct timespec ts;*/ - FIND_FILE_STANDARD_INFO * pfindData = + FIND_FILE_STANDARD_INFO * pfindData = (FIND_FILE_STANDARD_INFO *)buf; tmp_inode->i_mtime = cnvrtDosUnixTm( @@ -156,9 +159,9 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, tmp_inode->i_atime = cnvrtDosUnixTm( le16_to_cpu(pfindData->LastAccessDate), le16_to_cpu(pfindData->LastAccessTime)); - tmp_inode->i_ctime = cnvrtDosUnixTm( - le16_to_cpu(pfindData->LastWriteDate), - le16_to_cpu(pfindData->LastWriteTime)); + tmp_inode->i_ctime = cnvrtDosUnixTm( + le16_to_cpu(pfindData->LastWriteDate), + le16_to_cpu(pfindData->LastWriteTime)); AdjustForTZ(cifs_sb->tcon, tmp_inode); attr = le16_to_cpu(pfindData->Attributes); allocation_size = le32_to_cpu(pfindData->AllocationSize); @@ -168,11 +171,17 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, /* Linux can not store file creation time unfortunately so ignore it */ cifsInfo->cifsAttrs = attr; - cifsInfo->time = jiffies; +#ifdef CONFIG_CIFS_EXPERIMENTAL + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { + /* get more accurate mode via ACL - so force inode refresh */ + cifsInfo->time = 0; + } else +#endif /* CONFIG_CIFS_EXPERIMENTAL */ + cifsInfo->time = jiffies; /* treat dos attribute of read-only as read-only mode bit e.g. 555? */ /* 2767 perms - indicate mandatory locking */ - /* BB fill in uid and gid here? with help from winbind? + /* BB fill in uid and gid here? with help from winbind? or retrieve from NTFS stream extended attribute */ if (atomic_read(&cifsInfo->inUse) == 0) { tmp_inode->i_uid = cifs_sb->mnt_uid; @@ -189,11 +198,11 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, if (attr & ATTR_DIRECTORY) { *pobject_type = DT_DIR; /* override default perms since we do not lock dirs */ - if(atomic_read(&cifsInfo->inUse) == 0) { + if (atomic_read(&cifsInfo->inUse) == 0) { tmp_inode->i_mode = cifs_sb->mnt_dir_mode; } tmp_inode->i_mode |= S_IFDIR; - } else if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) && + } else if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) && (attr & ATTR_SYSTEM)) { if (end_of_file == 0) { *pobject_type = DT_FIFO; @@ -203,18 +212,22 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, inode as needing revalidate and get the real type (blk vs chr vs. symlink) later ie in lookup */ *pobject_type = DT_REG; - tmp_inode->i_mode |= S_IFREG; - cifsInfo->time = 0; + tmp_inode->i_mode |= S_IFREG; + cifsInfo->time = 0; } /* we no longer mark these because we could not follow them */ /* } else if (attr & ATTR_REPARSE) { - *pobject_type = DT_LNK; - tmp_inode->i_mode |= S_IFLNK; */ + *pobject_type = DT_LNK; + tmp_inode->i_mode |= S_IFLNK; */ } else { *pobject_type = DT_REG; tmp_inode->i_mode |= S_IFREG; if (attr & ATTR_READONLY) tmp_inode->i_mode &= ~(S_IWUGO); + else if ((tmp_inode->i_mode & S_IWUGO) == 0) + /* the ATTR_READONLY flag may have been changed on */ + /* server -- set any w bits allowed by mnt_file_mode */ + tmp_inode->i_mode |= (S_IWUGO & cifs_sb->mnt_file_mode); } /* could add code here - to validate if device or weird share type? */ /* can not fill in nlink here as in qpathinfo version and Unx search */ @@ -222,8 +235,9 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, atomic_set(&cifsInfo->inUse, 1); } - if (is_size_safe_to_change(cifsInfo)) { - /* can not safely change the file size here if the + spin_lock(&tmp_inode->i_lock); + if (is_size_safe_to_change(cifsInfo, end_of_file)) { + /* can not safely change the file size here if the client is writing to it due to potential races */ i_size_write(tmp_inode, end_of_file); @@ -231,6 +245,7 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, /* for this calculation, even though the reported blocksize is larger */ tmp_inode->i_blocks = (512 - 1 + allocation_size) >> 9; } + spin_unlock(&tmp_inode->i_lock); if (allocation_size < end_of_file) cFYI(1, ("May be sparse file, allocation less than file size")); @@ -240,25 +255,24 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, if (S_ISREG(tmp_inode->i_mode)) { cFYI(1, ("File inode")); tmp_inode->i_op = &cifs_file_inode_ops; - if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) { - if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) { + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) tmp_inode->i_fop = &cifs_file_direct_nobrl_ops; else tmp_inode->i_fop = &cifs_file_direct_ops; - - } else if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) + } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) tmp_inode->i_fop = &cifs_file_nobrl_ops; else tmp_inode->i_fop = &cifs_file_ops; - if((cifs_sb->tcon) && (cifs_sb->tcon->ses) && + if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) && (cifs_sb->tcon->ses->server->maxBuf < PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)) tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf; else tmp_inode->i_data.a_ops = &cifs_addr_ops; - if(isNewInode) + if (isNewInode) return; /* No sense invalidating pages for new inode since have not started caching readahead file data yet */ @@ -286,7 +300,7 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type, } static void unix_fill_in_inode(struct inode *tmp_inode, - FILE_UNIX_INFO *pfindData, int *pobject_type, int isNewInode) + FILE_UNIX_INFO *pfindData, unsigned int *pobject_type, int isNewInode) { loff_t local_size; struct timespec local_mtime; @@ -313,8 +327,8 @@ static void unix_fill_in_inode(struct inode *tmp_inode, tmp_inode->i_mode = le64_to_cpu(pfindData->Permissions); /* since we set the inode type below we need to mask off type - to avoid strange results if bits above were corrupt */ - tmp_inode->i_mode &= ~S_IFMT; + to avoid strange results if bits above were corrupt */ + tmp_inode->i_mode &= ~S_IFMT; if (type == UNIX_FILE) { *pobject_type = DT_REG; tmp_inode->i_mode |= S_IFREG; @@ -344,48 +358,56 @@ static void unix_fill_in_inode(struct inode *tmp_inode, /* safest to just call it a file */ *pobject_type = DT_REG; tmp_inode->i_mode |= S_IFREG; - cFYI(1,("unknown inode type %d",type)); + cFYI(1, ("unknown inode type %d", type)); } - tmp_inode->i_uid = le64_to_cpu(pfindData->Uid); - tmp_inode->i_gid = le64_to_cpu(pfindData->Gid); + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) + tmp_inode->i_uid = cifs_sb->mnt_uid; + else + tmp_inode->i_uid = le64_to_cpu(pfindData->Uid); + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) + tmp_inode->i_gid = cifs_sb->mnt_gid; + else + tmp_inode->i_gid = le64_to_cpu(pfindData->Gid); tmp_inode->i_nlink = le64_to_cpu(pfindData->Nlinks); - if (is_size_safe_to_change(cifsInfo)) { - /* can not safely change the file size here if the + spin_lock(&tmp_inode->i_lock); + if (is_size_safe_to_change(cifsInfo, end_of_file)) { + /* can not safely change the file size here if the client is writing to it due to potential races */ - i_size_write(tmp_inode,end_of_file); + i_size_write(tmp_inode, end_of_file); /* 512 bytes (2**9) is the fake blocksize that must be used */ /* for this calculation, not the real blocksize */ tmp_inode->i_blocks = (512 - 1 + num_of_bytes) >> 9; } + spin_unlock(&tmp_inode->i_lock); if (S_ISREG(tmp_inode->i_mode)) { cFYI(1, ("File inode")); tmp_inode->i_op = &cifs_file_inode_ops; - if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) { - if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) { + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) tmp_inode->i_fop = &cifs_file_direct_nobrl_ops; else tmp_inode->i_fop = &cifs_file_direct_ops; - - } else if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) + } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) tmp_inode->i_fop = &cifs_file_nobrl_ops; else tmp_inode->i_fop = &cifs_file_ops; - if((cifs_sb->tcon) && (cifs_sb->tcon->ses) && - (cifs_sb->tcon->ses->server->maxBuf < + if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) && + (cifs_sb->tcon->ses->server->maxBuf < PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)) tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf; else tmp_inode->i_data.a_ops = &cifs_addr_ops; - if(isNewInode) - return; /* No sense invalidating pages for new inode since we - have not started caching readahead file data yet */ + if (isNewInode) + return; /* No sense invalidating pages for new inode + since we have not started caching readahead + file data for it yet */ if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) && (local_size == tmp_inode->i_size)) { @@ -404,7 +426,7 @@ static void unix_fill_in_inode(struct inode *tmp_inode, tmp_inode->i_op = &cifs_symlink_inode_ops; /* tmp_inode->i_fop = *//* do not need to set to anything */ } else { - cFYI(1, ("Special inode")); + cFYI(1, ("Special inode")); init_special_inode(tmp_inode, tmp_inode->i_mode, tmp_inode->i_rdev); } @@ -413,39 +435,33 @@ static void unix_fill_in_inode(struct inode *tmp_inode, static int initiate_cifs_search(const int xid, struct file *file) { int rc = 0; - char * full_path; - struct cifsFileInfo * cifsFile; + char *full_path; + struct cifsFileInfo *cifsFile; struct cifs_sb_info *cifs_sb; struct cifsTconInfo *pTcon; - if(file->private_data == NULL) { - file->private_data = - kmalloc(sizeof(struct cifsFileInfo),GFP_KERNEL); + if (file->private_data == NULL) { + file->private_data = + kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL); } - if(file->private_data == NULL) { + if (file->private_data == NULL) return -ENOMEM; - } else { - memset(file->private_data,0,sizeof(struct cifsFileInfo)); - } cifsFile = file->private_data; cifsFile->invalidHandle = TRUE; cifsFile->srch_inf.endOfSearch = FALSE; - if(file->f_dentry == NULL) - return -ENOENT; - - cifs_sb = CIFS_SB(file->f_dentry->d_sb); - if(cifs_sb == NULL) + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); + if (cifs_sb == NULL) return -EINVAL; pTcon = cifs_sb->tcon; - if(pTcon == NULL) + if (pTcon == NULL) return -EINVAL; - full_path = build_path_from_dentry(file->f_dentry); + full_path = build_path_from_dentry(file->f_path.dentry); - if(full_path == NULL) { + if (full_path == NULL) { return -ENOMEM; } @@ -453,9 +469,11 @@ static int initiate_cifs_search(const int xid, struct file *file) ffirst_retry: /* test for Unix extensions */ - if (pTcon->ses->capabilities & CAP_UNIX) { + /* but now check for them on the share/mount not on the SMB session */ +/* if (pTcon->ses->capabilities & CAP_UNIX) { */ + if (pTcon->unix_ext) { cifsFile->srch_inf.info_level = SMB_FIND_FILE_UNIX; - } else if ((pTcon->ses->capabilities & + } else if ((pTcon->ses->capabilities & (CAP_NT_SMBS | CAP_NT_FIND)) == 0) { cifsFile->srch_inf.info_level = SMB_FIND_FILE_INFO_STANDARD; } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) { @@ -464,13 +482,13 @@ ffirst_retry: cifsFile->srch_inf.info_level = SMB_FIND_FILE_DIRECTORY_INFO; } - rc = CIFSFindFirst(xid, pTcon,full_path,cifs_sb->local_nls, + rc = CIFSFindFirst(xid, pTcon, full_path, cifs_sb->local_nls, &cifsFile->netfid, &cifsFile->srch_inf, - cifs_sb->mnt_cifs_flags & + cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb)); - if(rc == 0) + if (rc == 0) cifsFile->invalidHandle = FALSE; - if((rc == -EOPNOTSUPP) && + if ((rc == -EOPNOTSUPP) && (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) { cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM; goto ffirst_retry; @@ -483,22 +501,22 @@ ffirst_retry: static int cifs_unicode_bytelen(char *str) { int len; - __le16 * ustr = (__le16 *)str; + __le16 *ustr = (__le16 *)str; - for(len=0;len <= PATH_MAX;len++) { - if(ustr[len] == 0) + for (len = 0; len <= PATH_MAX; len++) { + if (ustr[len] == 0) return len << 1; } - cFYI(1,("Unicode string longer than PATH_MAX found")); + cFYI(1, ("Unicode string longer than PATH_MAX found")); return len << 1; } static char *nxt_dir_entry(char *old_entry, char *end_of_smb, int level) { - char * new_entry; + char *new_entry; FILE_DIRECTORY_INFO * pDirInfo = (FILE_DIRECTORY_INFO *)old_entry; - if(level == SMB_FIND_FILE_INFO_STANDARD) { + if (level == SMB_FIND_FILE_INFO_STANDARD) { FIND_FILE_STANDARD_INFO * pfData; pfData = (FIND_FILE_STANDARD_INFO *)pDirInfo; @@ -506,21 +524,21 @@ static char *nxt_dir_entry(char *old_entry, char *end_of_smb, int level) pfData->FileNameLength; } else new_entry = old_entry + le32_to_cpu(pDirInfo->NextEntryOffset); - cFYI(1,("new entry %p old entry %p",new_entry,old_entry)); + cFYI(1, ("new entry %p old entry %p", new_entry, old_entry)); /* validate that new_entry is not past end of SMB */ - if(new_entry >= end_of_smb) { + if (new_entry >= end_of_smb) { cERROR(1, ("search entry %p began after end of SMB %p old entry %p", - new_entry, end_of_smb, old_entry)); + new_entry, end_of_smb, old_entry)); return NULL; - } else if(((level == SMB_FIND_FILE_INFO_STANDARD) && - (new_entry + sizeof(FIND_FILE_STANDARD_INFO) > end_of_smb)) || - ((level != SMB_FIND_FILE_INFO_STANDARD) && + } else if (((level == SMB_FIND_FILE_INFO_STANDARD) && + (new_entry + sizeof(FIND_FILE_STANDARD_INFO) > end_of_smb)) + || ((level != SMB_FIND_FILE_INFO_STANDARD) && (new_entry + sizeof(FILE_DIRECTORY_INFO) > end_of_smb))) { - cERROR(1,("search entry %p extends after end of SMB %p", + cERROR(1, ("search entry %p extends after end of SMB %p", new_entry, end_of_smb)); return NULL; - } else + } else return new_entry; } @@ -531,69 +549,70 @@ static char *nxt_dir_entry(char *old_entry, char *end_of_smb, int level) static int cifs_entry_is_dot(char *current_entry, struct cifsFileInfo *cfile) { int rc = 0; - char * filename = NULL; - int len = 0; + char *filename = NULL; + int len = 0; - if(cfile->srch_inf.info_level == SMB_FIND_FILE_UNIX) { + if (cfile->srch_inf.info_level == SMB_FIND_FILE_UNIX) { FILE_UNIX_INFO * pFindData = (FILE_UNIX_INFO *)current_entry; filename = &pFindData->FileName[0]; - if(cfile->srch_inf.unicode) { + if (cfile->srch_inf.unicode) { len = cifs_unicode_bytelen(filename); } else { /* BB should we make this strnlen of PATH_MAX? */ len = strnlen(filename, 5); } - } else if(cfile->srch_inf.info_level == SMB_FIND_FILE_DIRECTORY_INFO) { - FILE_DIRECTORY_INFO * pFindData = + } else if (cfile->srch_inf.info_level == SMB_FIND_FILE_DIRECTORY_INFO) { + FILE_DIRECTORY_INFO * pFindData = (FILE_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); - } else if(cfile->srch_inf.info_level == + } else if (cfile->srch_inf.info_level == SMB_FIND_FILE_FULL_DIRECTORY_INFO) { - FILE_FULL_DIRECTORY_INFO * pFindData = + FILE_FULL_DIRECTORY_INFO * pFindData = (FILE_FULL_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); - } else if(cfile->srch_inf.info_level == + } else if (cfile->srch_inf.info_level == SMB_FIND_FILE_ID_FULL_DIR_INFO) { - SEARCH_ID_FULL_DIR_INFO * pFindData = + SEARCH_ID_FULL_DIR_INFO * pFindData = (SEARCH_ID_FULL_DIR_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); - } else if(cfile->srch_inf.info_level == + } else if (cfile->srch_inf.info_level == SMB_FIND_FILE_BOTH_DIRECTORY_INFO) { - FILE_BOTH_DIRECTORY_INFO * pFindData = + FILE_BOTH_DIRECTORY_INFO * pFindData = (FILE_BOTH_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); - } else if(cfile->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD) { + } else if (cfile->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD) { FIND_FILE_STANDARD_INFO * pFindData = (FIND_FILE_STANDARD_INFO *)current_entry; filename = &pFindData->FileName[0]; len = pFindData->FileNameLength; } else { - cFYI(1,("Unknown findfirst level %d",cfile->srch_inf.info_level)); + cFYI(1, ("Unknown findfirst level %d", + cfile->srch_inf.info_level)); } - if(filename) { - if(cfile->srch_inf.unicode) { + if (filename) { + if (cfile->srch_inf.unicode) { __le16 *ufilename = (__le16 *)filename; - if(len == 2) { + if (len == 2) { /* check for . */ - if(ufilename[0] == UNICODE_DOT) + if (ufilename[0] == UNICODE_DOT) rc = 1; - } else if(len == 4) { + } else if (len == 4) { /* check for .. */ - if((ufilename[0] == UNICODE_DOT) - &&(ufilename[1] == UNICODE_DOT)) + if ((ufilename[0] == UNICODE_DOT) + && (ufilename[1] == UNICODE_DOT)) rc = 2; } } else /* ASCII */ { - if(len == 1) { - if(filename[0] == '.') + if (len == 1) { + if (filename[0] == '.') rc = 1; - } else if(len == 2) { - if((filename[0] == '.') && (filename[1] == '.')) + } else if (len == 2) { + if ((filename[0] == '.') && (filename[1] == '.')) rc = 2; } } @@ -604,22 +623,12 @@ static int cifs_entry_is_dot(char *current_entry, struct cifsFileInfo *cfile) /* Check if directory that we are searching has changed so we can decide whether we can use the cached search results from the previous search */ -static int is_dir_changed(struct file * file) +static int is_dir_changed(struct file *file) { - struct inode * inode; - struct cifsInodeInfo *cifsInfo; - - if(file->f_dentry == NULL) - return 0; + struct inode *inode = file->f_path.dentry->d_inode; + struct cifsInodeInfo *cifsInfo = CIFS_I(inode); - inode = file->f_dentry->d_inode; - - if(inode == NULL) - return 0; - - cifsInfo = CIFS_I(inode); - - if(cifsInfo->time == 0) + if (cifsInfo->time == 0) return 1; /* directory was changed, perhaps due to unlink */ else return 0; @@ -633,22 +642,22 @@ static int is_dir_changed(struct file * file) /* We start counting in the buffer with entry 2 and increment for every entry (do not increment for . or .. entry) */ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon, - struct file *file, char **ppCurrentEntry, int *num_to_ret) + struct file *file, char **ppCurrentEntry, int *num_to_ret) { int rc = 0; int pos_in_buf = 0; loff_t first_entry_in_buffer; loff_t index_to_find = file->f_pos; - struct cifsFileInfo * cifsFile = file->private_data; + struct cifsFileInfo *cifsFile = file->private_data; /* check if index in the buffer */ - - if((cifsFile == NULL) || (ppCurrentEntry == NULL) || + + if ((cifsFile == NULL) || (ppCurrentEntry == NULL) || (num_to_ret == NULL)) return -ENOENT; - + *ppCurrentEntry = NULL; - first_entry_in_buffer = - cifsFile->srch_inf.index_of_last_entry - + first_entry_in_buffer = + cifsFile->srch_inf.index_of_last_entry - cifsFile->srch_inf.entries_in_buffer; /* if first entry in buf is zero then is first buffer @@ -660,45 +669,46 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon, #ifdef CONFIG_CIFS_DEBUG2 dump_cifs_file_struct(file, "In fce "); #endif - if(((index_to_find < cifsFile->srch_inf.index_of_last_entry) && - is_dir_changed(file)) || + if (((index_to_find < cifsFile->srch_inf.index_of_last_entry) && + is_dir_changed(file)) || (index_to_find < first_entry_in_buffer)) { /* close and restart search */ - cFYI(1,("search backing up - close and restart search")); + cFYI(1, ("search backing up - close and restart search")); cifsFile->invalidHandle = TRUE; CIFSFindClose(xid, pTcon, cifsFile->netfid); kfree(cifsFile->search_resume_name); cifsFile->search_resume_name = NULL; - if(cifsFile->srch_inf.ntwrk_buf_start) { - cFYI(1,("freeing SMB ff cache buf on search rewind")); - if(cifsFile->srch_inf.smallBuf) + if (cifsFile->srch_inf.ntwrk_buf_start) { + cFYI(1, ("freeing SMB ff cache buf on search rewind")); + if (cifsFile->srch_inf.smallBuf) cifs_small_buf_release(cifsFile->srch_inf. ntwrk_buf_start); else cifs_buf_release(cifsFile->srch_inf. ntwrk_buf_start); } - rc = initiate_cifs_search(xid,file); - if(rc) { - cFYI(1,("error %d reinitiating a search on rewind",rc)); + rc = initiate_cifs_search(xid, file); + if (rc) { + cFYI(1, ("error %d reinitiating a search on rewind", + rc)); return rc; } } - while((index_to_find >= cifsFile->srch_inf.index_of_last_entry) && - (rc == 0) && (cifsFile->srch_inf.endOfSearch == FALSE)){ - cFYI(1,("calling findnext2")); - rc = CIFSFindNext(xid,pTcon,cifsFile->netfid, + while ((index_to_find >= cifsFile->srch_inf.index_of_last_entry) && + (rc == 0) && (cifsFile->srch_inf.endOfSearch == FALSE)) { + cFYI(1, ("calling findnext2")); + rc = CIFSFindNext(xid, pTcon, cifsFile->netfid, &cifsFile->srch_inf); - if(rc) + if (rc) return -ENOENT; } - if(index_to_find < cifsFile->srch_inf.index_of_last_entry) { + if (index_to_find < cifsFile->srch_inf.index_of_last_entry) { /* we found the buffer that contains the entry */ /* scan and find it */ int i; - char * current_entry; - char * end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + + char *current_entry; + char *end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + smbCalcSize((struct smb_hdr *) cifsFile->srch_inf.ntwrk_buf_start); @@ -706,28 +716,28 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon, first_entry_in_buffer = cifsFile->srch_inf.index_of_last_entry - cifsFile->srch_inf.entries_in_buffer; pos_in_buf = index_to_find - first_entry_in_buffer; - cFYI(1,("found entry - pos_in_buf %d",pos_in_buf)); + cFYI(1, ("found entry - pos_in_buf %d", pos_in_buf)); - for(i=0;(i<(pos_in_buf)) && (current_entry != NULL);i++) { + for (i=0; (i < (pos_in_buf)) && (current_entry != NULL); i++) { /* go entry by entry figuring out which is first */ - current_entry = nxt_dir_entry(current_entry,end_of_smb, + current_entry = nxt_dir_entry(current_entry, end_of_smb, cifsFile->srch_inf.info_level); } - if((current_entry == NULL) && (i < pos_in_buf)) { + if ((current_entry == NULL) && (i < pos_in_buf)) { /* BB fixme - check if we should flag this error */ - cERROR(1,("reached end of buf searching for pos in buf" + cERROR(1, ("reached end of buf searching for pos in buf" " %d index to find %lld rc %d", - pos_in_buf,index_to_find,rc)); + pos_in_buf, index_to_find, rc)); } rc = 0; *ppCurrentEntry = current_entry; } else { - cFYI(1,("index not in buffer - could not findnext into it")); + cFYI(1, ("index not in buffer - could not findnext into it")); return 0; } - if(pos_in_buf >= cifsFile->srch_inf.entries_in_buffer) { - cFYI(1,("can not return entries pos_in_buf beyond last entry")); + if (pos_in_buf >= cifsFile->srch_inf.entries_in_buffer) { + cFYI(1, ("can not return entries pos_in_buf beyond last")); *num_to_ret = 0; } else *num_to_ret = cifsFile->srch_inf.entries_in_buffer - pos_in_buf; @@ -738,81 +748,81 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon, /* inode num, inode type and filename returned */ static int cifs_get_name_from_search_buf(struct qstr *pqst, char *current_entry, __u16 level, unsigned int unicode, - struct cifs_sb_info * cifs_sb, int max_len, ino_t *pinum) + struct cifs_sb_info *cifs_sb, int max_len, ino_t *pinum) { int rc = 0; unsigned int len = 0; - char * filename; - struct nls_table * nlt = cifs_sb->local_nls; + char *filename; + struct nls_table *nlt = cifs_sb->local_nls; *pinum = 0; - if(level == SMB_FIND_FILE_UNIX) { - FILE_UNIX_INFO * pFindData = (FILE_UNIX_INFO *)current_entry; + if (level == SMB_FIND_FILE_UNIX) { + FILE_UNIX_INFO *pFindData = (FILE_UNIX_INFO *)current_entry; filename = &pFindData->FileName[0]; - if(unicode) { + if (unicode) { len = cifs_unicode_bytelen(filename); } else { /* BB should we make this strnlen of PATH_MAX? */ len = strnlen(filename, PATH_MAX); } - /* BB fixme - hash low and high 32 bits if not 64 bit arch BB fixme */ - if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) + /* BB fixme - hash low and high 32 bits if not 64 bit arch BB */ + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) *pinum = pFindData->UniqueId; - } else if(level == SMB_FIND_FILE_DIRECTORY_INFO) { - FILE_DIRECTORY_INFO * pFindData = + } else if (level == SMB_FIND_FILE_DIRECTORY_INFO) { + FILE_DIRECTORY_INFO *pFindData = (FILE_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); - } else if(level == SMB_FIND_FILE_FULL_DIRECTORY_INFO) { - FILE_FULL_DIRECTORY_INFO * pFindData = + } else if (level == SMB_FIND_FILE_FULL_DIRECTORY_INFO) { + FILE_FULL_DIRECTORY_INFO *pFindData = (FILE_FULL_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); - } else if(level == SMB_FIND_FILE_ID_FULL_DIR_INFO) { - SEARCH_ID_FULL_DIR_INFO * pFindData = + } else if (level == SMB_FIND_FILE_ID_FULL_DIR_INFO) { + SEARCH_ID_FULL_DIR_INFO *pFindData = (SEARCH_ID_FULL_DIR_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); *pinum = pFindData->UniqueId; - } else if(level == SMB_FIND_FILE_BOTH_DIRECTORY_INFO) { - FILE_BOTH_DIRECTORY_INFO * pFindData = + } else if (level == SMB_FIND_FILE_BOTH_DIRECTORY_INFO) { + FILE_BOTH_DIRECTORY_INFO *pFindData = (FILE_BOTH_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); - } else if(level == SMB_FIND_FILE_INFO_STANDARD) { + } else if (level == SMB_FIND_FILE_INFO_STANDARD) { FIND_FILE_STANDARD_INFO * pFindData = (FIND_FILE_STANDARD_INFO *)current_entry; filename = &pFindData->FileName[0]; /* one byte length, no name conversion */ len = (unsigned int)pFindData->FileNameLength; } else { - cFYI(1,("Unknown findfirst level %d",level)); + cFYI(1, ("Unknown findfirst level %d", level)); return -EINVAL; } - if(len > max_len) { - cERROR(1,("bad search response length %d past smb end", len)); + if (len > max_len) { + cERROR(1, ("bad search response length %d past smb end", len)); return -EINVAL; } - if(unicode) { + if (unicode) { /* BB fixme - test with long names */ /* Note converted filename can be longer than in unicode */ - if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR) + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR) pqst->len = cifs_convertUCSpath((char *)pqst->name, (__le16 *)filename, len/2, nlt); else pqst->len = cifs_strfromUCS_le((char *)pqst->name, - (__le16 *)filename,len/2,nlt); + (__le16 *)filename, len/2, nlt); } else { pqst->name = filename; pqst->len = len; } - pqst->hash = full_name_hash(pqst->name,pqst->len); -/* cFYI(1,("filldir on %s",pqst->name)); */ + pqst->hash = full_name_hash(pqst->name, pqst->len); +/* cFYI(1, ("filldir on %s",pqst->name)); */ return rc; } @@ -821,52 +831,50 @@ static int cifs_filldir(char *pfindEntry, struct file *file, { int rc = 0; struct qstr qstring; - struct cifsFileInfo * pCifsF; - unsigned obj_type; + struct cifsFileInfo *pCifsF; + unsigned int obj_type; ino_t inum; - struct cifs_sb_info * cifs_sb; + struct cifs_sb_info *cifs_sb; struct inode *tmp_inode; struct dentry *tmp_dentry; /* get filename and len into qstring */ /* get dentry */ /* decide whether to create and populate ionde */ - if((direntry == NULL) || (file == NULL)) + if ((direntry == NULL) || (file == NULL)) return -EINVAL; pCifsF = file->private_data; - - if((scratch_buf == NULL) || (pfindEntry == NULL) || (pCifsF == NULL)) - return -ENOENT; - if(file->f_dentry == NULL) + if ((scratch_buf == NULL) || (pfindEntry == NULL) || (pCifsF == NULL)) return -ENOENT; - rc = cifs_entry_is_dot(pfindEntry,pCifsF); + rc = cifs_entry_is_dot(pfindEntry, pCifsF); /* skip . and .. since we added them first */ - if(rc != 0) + if (rc != 0) return 0; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); qstring.name = scratch_buf; - rc = cifs_get_name_from_search_buf(&qstring,pfindEntry, + rc = cifs_get_name_from_search_buf(&qstring, pfindEntry, pCifsF->srch_inf.info_level, - pCifsF->srch_inf.unicode,cifs_sb, + pCifsF->srch_inf.unicode, cifs_sb, max_len, &inum /* returned */); - if(rc) + if (rc) return rc; - rc = construct_dentry(&qstring,file,&tmp_inode, &tmp_dentry); - if((tmp_inode == NULL) || (tmp_dentry == NULL)) + rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry); + if ((tmp_inode == NULL) || (tmp_dentry == NULL)) return -ENOMEM; - if(rc) { + if (rc) { /* inode created, we need to hash it with right inode number */ - if(inum != 0) { - /* BB fixme - hash the 2 32 quantities bits together if necessary BB */ + if (inum != 0) { + /* BB fixme - hash the 2 32 quantities bits together if + * necessary BB */ tmp_inode->i_ino = inum; } insert_inode_hash(tmp_inode); @@ -875,27 +883,31 @@ static int cifs_filldir(char *pfindEntry, struct file *file, /* we pass in rc below, indicating whether it is a new inode, so we can figure out whether to invalidate the inode cached data if the file has changed */ - if(pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX) + if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX) unix_fill_in_inode(tmp_inode, (FILE_UNIX_INFO *)pfindEntry, &obj_type, rc); - else if(pCifsF->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD) + else if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD) fill_in_inode(tmp_inode, 0 /* old level 1 buffer type */, pfindEntry, &obj_type, rc); else fill_in_inode(tmp_inode, 1 /* NT */, pfindEntry, &obj_type, rc); - if(rc) /* new inode - needs to be tied to dentry */ { + if (rc) /* new inode - needs to be tied to dentry */ { d_instantiate(tmp_dentry, tmp_inode); - if(rc == 2) + if (rc == 2) d_rehash(tmp_dentry); } - - - rc = filldir(direntry,qstring.name,qstring.len,file->f_pos, - tmp_inode->i_ino,obj_type); - if(rc) { - cFYI(1,("filldir rc = %d",rc)); + + + rc = filldir(direntry, qstring.name, qstring.len, file->f_pos, + tmp_inode->i_ino, obj_type); + if (rc) { + cFYI(1, ("filldir rc = %d", rc)); + /* we can not return filldir errors to the caller + since they are "normal" when the stat blocksize + is too small - we return remapped error instead */ + rc = -EOVERFLOW; } dput(tmp_dentry); @@ -908,57 +920,57 @@ static int cifs_save_resume_key(const char *current_entry, int rc = 0; unsigned int len = 0; __u16 level; - char * filename; + char *filename; - if((cifsFile == NULL) || (current_entry == NULL)) + if ((cifsFile == NULL) || (current_entry == NULL)) return -EINVAL; level = cifsFile->srch_inf.info_level; - if(level == SMB_FIND_FILE_UNIX) { + if (level == SMB_FIND_FILE_UNIX) { FILE_UNIX_INFO * pFindData = (FILE_UNIX_INFO *)current_entry; filename = &pFindData->FileName[0]; - if(cifsFile->srch_inf.unicode) { + if (cifsFile->srch_inf.unicode) { len = cifs_unicode_bytelen(filename); } else { /* BB should we make this strnlen of PATH_MAX? */ len = strnlen(filename, PATH_MAX); } cifsFile->srch_inf.resume_key = pFindData->ResumeKey; - } else if(level == SMB_FIND_FILE_DIRECTORY_INFO) { - FILE_DIRECTORY_INFO * pFindData = + } else if (level == SMB_FIND_FILE_DIRECTORY_INFO) { + FILE_DIRECTORY_INFO *pFindData = (FILE_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); cifsFile->srch_inf.resume_key = pFindData->FileIndex; - } else if(level == SMB_FIND_FILE_FULL_DIRECTORY_INFO) { - FILE_FULL_DIRECTORY_INFO * pFindData = + } else if (level == SMB_FIND_FILE_FULL_DIRECTORY_INFO) { + FILE_FULL_DIRECTORY_INFO *pFindData = (FILE_FULL_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); cifsFile->srch_inf.resume_key = pFindData->FileIndex; - } else if(level == SMB_FIND_FILE_ID_FULL_DIR_INFO) { - SEARCH_ID_FULL_DIR_INFO * pFindData = + } else if (level == SMB_FIND_FILE_ID_FULL_DIR_INFO) { + SEARCH_ID_FULL_DIR_INFO *pFindData = (SEARCH_ID_FULL_DIR_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); cifsFile->srch_inf.resume_key = pFindData->FileIndex; - } else if(level == SMB_FIND_FILE_BOTH_DIRECTORY_INFO) { - FILE_BOTH_DIRECTORY_INFO * pFindData = + } else if (level == SMB_FIND_FILE_BOTH_DIRECTORY_INFO) { + FILE_BOTH_DIRECTORY_INFO *pFindData = (FILE_BOTH_DIRECTORY_INFO *)current_entry; filename = &pFindData->FileName[0]; len = le32_to_cpu(pFindData->FileNameLength); cifsFile->srch_inf.resume_key = pFindData->FileIndex; - } else if(level == SMB_FIND_FILE_INFO_STANDARD) { - FIND_FILE_STANDARD_INFO * pFindData = + } else if (level == SMB_FIND_FILE_INFO_STANDARD) { + FIND_FILE_STANDARD_INFO *pFindData = (FIND_FILE_STANDARD_INFO *)current_entry; filename = &pFindData->FileName[0]; /* one byte length, no name conversion */ len = (unsigned int)pFindData->FileNameLength; cifsFile->srch_inf.resume_key = pFindData->ResumeKey; } else { - cFYI(1,("Unknown findfirst level %d",level)); + cFYI(1, ("Unknown findfirst level %d", level)); return -EINVAL; } cifsFile->srch_inf.resume_name_len = len; @@ -969,32 +981,27 @@ static int cifs_save_resume_key(const char *current_entry, int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) { int rc = 0; - int xid,i; + int xid, i; struct cifs_sb_info *cifs_sb; struct cifsTconInfo *pTcon; struct cifsFileInfo *cifsFile = NULL; - char * current_entry; + char *current_entry; int num_to_fill = 0; - char * tmp_buf = NULL; - char * end_of_smb; + char *tmp_buf = NULL; + char *end_of_smb; int max_len; xid = GetXid(); - if(file->f_dentry == NULL) { - FreeXid(xid); - return -EIO; - } - - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; - if(pTcon == NULL) + if (pTcon == NULL) return -EINVAL; switch ((int) file->f_pos) { case 0: if (filldir(direntry, ".", 1, file->f_pos, - file->f_dentry->d_inode->i_ino, DT_DIR) < 0) { + file->f_path.dentry->d_inode->i_ino, DT_DIR) < 0) { cERROR(1, ("Filldir for current dir failed")); rc = -ENOMEM; break; @@ -1002,34 +1009,34 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) file->f_pos++; case 1: if (filldir(direntry, "..", 2, file->f_pos, - file->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) { + file->f_path.dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) { cERROR(1, ("Filldir for parent dir failed")); rc = -ENOMEM; break; } file->f_pos++; default: - /* 1) If search is active, - is in current search buffer? + /* 1) If search is active, + is in current search buffer? if it before then restart search if after then keep searching till find it */ - if(file->private_data == NULL) { - rc = initiate_cifs_search(xid,file); - cFYI(1,("initiate cifs search rc %d",rc)); - if(rc) { + if (file->private_data == NULL) { + rc = initiate_cifs_search(xid, file); + cFYI(1, ("initiate cifs search rc %d", rc)); + if (rc) { FreeXid(xid); return rc; } } - if(file->private_data == NULL) { + if (file->private_data == NULL) { rc = -EINVAL; FreeXid(xid); return rc; } cifsFile = file->private_data; if (cifsFile->srch_inf.endOfSearch) { - if(cifsFile->srch_inf.emptyDir) { + if (cifsFile->srch_inf.emptyDir) { cFYI(1, ("End of search, empty dir")); rc = 0; break; @@ -1037,23 +1044,23 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) } /* else { cifsFile->invalidHandle = TRUE; CIFSFindClose(xid, pTcon, cifsFile->netfid); - } + } kfree(cifsFile->search_resume_name); cifsFile->search_resume_name = NULL; */ - rc = find_cifs_entry(xid,pTcon, file, - ¤t_entry,&num_to_fill); - if(rc) { - cFYI(1,("fce error %d",rc)); + rc = find_cifs_entry(xid, pTcon, file, + ¤t_entry, &num_to_fill); + if (rc) { + cFYI(1, ("fce error %d", rc)); goto rddir2_exit; } else if (current_entry != NULL) { - cFYI(1,("entry %lld found",file->f_pos)); + cFYI(1, ("entry %lld found", file->f_pos)); } else { - cFYI(1,("could not find entry")); + cFYI(1, ("could not find entry")); goto rddir2_exit; } - cFYI(1,("loop through %d times filling dir for net buf %p", - num_to_fill,cifsFile->srch_inf.ntwrk_buf_start)); + cFYI(1, ("loop through %d times filling dir for net buf %p", + num_to_fill, cifsFile->srch_inf.ntwrk_buf_start)); max_len = smbCalcSize((struct smb_hdr *) cifsFile->srch_inf.ntwrk_buf_start); end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + max_len; @@ -1063,10 +1070,10 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) such multibyte target UTF-8 characters. cifs_unicode.c, which actually does the conversion, has the same limit */ tmp_buf = kmalloc((2 * NAME_MAX) + 4, GFP_KERNEL); - for(i=0;(if_pos++; - if(file->f_pos == + if (file->f_pos == cifsFile->srch_inf.index_of_last_entry) { - cFYI(1,("last entry in buf at pos %lld %s", - file->f_pos,tmp_buf)); - cifs_save_resume_key(current_entry,cifsFile); + cFYI(1, ("last entry in buf at pos %lld %s", + file->f_pos, tmp_buf)); + cifs_save_resume_key(current_entry, cifsFile); break; - } else - current_entry = + } else + current_entry = nxt_dir_entry(current_entry, end_of_smb, cifsFile->srch_inf.info_level); }