*
* Directory search handling
*
- * Copyright (C) International Business Machines Corp., 2004, 2007
+ * Copyright (C) International Business Machines Corp., 2004, 2008
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
cFYI(1, ("empty cifs private file data"));
return;
}
- if (cf->invalidHandle) {
+ if (cf->invalidHandle)
cFYI(1, ("invalid handle"));
- }
- if (cf->srch_inf.endOfSearch) {
+ if (cf->srch_inf.endOfSearch)
cFYI(1, ("end of search"));
- }
- if (cf->srch_inf.emptyDir) {
+ if (cf->srch_inf.emptyDir)
cFYI(1, ("empty dir"));
- }
}
}
+#else
+static inline void dump_cifs_file_struct(struct file *file, char *label)
+{
+}
#endif /* DEBUG2 */
/* Returns one if new inode created (which therefore needs to be hashed) */
__u32 attr;
__u64 allocation_size;
__u64 end_of_file;
+ umode_t default_mode;
/* save mtime and size */
local_mtime = tmp_inode->i_mtime;
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(
if (atomic_read(&cifsInfo->inUse) == 0) {
tmp_inode->i_uid = cifs_sb->mnt_uid;
tmp_inode->i_gid = cifs_sb->mnt_gid;
- /* set default mode. will override for dirs below */
- tmp_inode->i_mode = cifs_sb->mnt_file_mode;
- } else {
- /* mask off the type bits since it gets set
- below and we do not want to get two type
- bits set */
+ }
+
+ if (attr & ATTR_DIRECTORY)
+ default_mode = cifs_sb->mnt_dir_mode;
+ else
+ default_mode = cifs_sb->mnt_file_mode;
+
+ /* set initial permissions */
+ if ((atomic_read(&cifsInfo->inUse) == 0) ||
+ (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0)
+ tmp_inode->i_mode = default_mode;
+ else {
+ /* just reenable write bits if !ATTR_READONLY */
+ if ((tmp_inode->i_mode & S_IWUGO) == 0 &&
+ (attr & ATTR_READONLY) == 0)
+ tmp_inode->i_mode |= (S_IWUGO & default_mode);
+
tmp_inode->i_mode &= ~S_IFMT;
}
- if (attr & ATTR_DIRECTORY) {
- *pobject_type = DT_DIR;
- /* override default perms since we do not lock dirs */
- 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) &&
- (attr & ATTR_SYSTEM)) {
+ /* clear write bits if ATTR_READONLY is set */
+ if (attr & ATTR_READONLY)
+ tmp_inode->i_mode &= ~S_IWUGO;
+
+ /* set inode type */
+ if ((attr & ATTR_SYSTEM) &&
+ (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) {
if (end_of_file == 0) {
- *pobject_type = DT_FIFO;
tmp_inode->i_mode |= S_IFIFO;
+ *pobject_type = DT_FIFO;
} else {
- /* rather than get the type here, we mark the
- inode as needing revalidate and get the real type
- (blk vs chr vs. symlink) later ie in lookup */
- *pobject_type = DT_REG;
+ /*
+ * trying to get the type can be slow, so just call
+ * this a regular file for now, and mark for reval
+ */
tmp_inode->i_mode |= S_IFREG;
+ *pobject_type = DT_REG;
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; */
} 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? */
+ if (attr & ATTR_DIRECTORY) {
+ tmp_inode->i_mode |= S_IFDIR;
+ *pobject_type = DT_DIR;
+ } else {
+ tmp_inode->i_mode |= S_IFREG;
+ *pobject_type = DT_REG;
+ }
+ }
/* can not fill in nlink here as in qpathinfo version and Unx search */
- if (atomic_read(&cifsInfo->inUse) == 0) {
+ if (atomic_read(&cifsInfo->inUse) == 0)
atomic_set(&cifsInfo->inUse, 1);
- }
spin_lock(&tmp_inode->i_lock);
if (is_size_safe_to_change(cifsInfo, end_of_file)) {
if (file->private_data == NULL)
return -ENOMEM;
cifsFile = file->private_data;
- cifsFile->invalidHandle = TRUE;
- cifsFile->srch_inf.endOfSearch = FALSE;
+ cifsFile->invalidHandle = true;
+ cifsFile->srch_inf.endOfSearch = false;
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
if (cifs_sb == NULL)
full_path = build_path_from_dentry(file->f_path.dentry);
- if (full_path == NULL) {
+ if (full_path == NULL)
return -ENOMEM;
- }
cFYI(1, ("Full path: %s start at: %lld", full_path, file->f_pos));
/* test for Unix extensions */
/* but now check for them on the share/mount not on the SMB session */
/* if (pTcon->ses->capabilities & CAP_UNIX) { */
- if (pTcon->unix_ext) {
+ 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) {
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb));
if (rc == 0)
- cifsFile->invalidHandle = FALSE;
+ cifsFile->invalidHandle = false;
if ((rc == -EOPNOTSUPP) &&
(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) {
cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM;
static char *nxt_dir_entry(char *old_entry, char *end_of_smb, int level)
{
char *new_entry;
- FILE_DIRECTORY_INFO * pDirInfo = (FILE_DIRECTORY_INFO *)old_entry;
+ FILE_DIRECTORY_INFO *pDirInfo = (FILE_DIRECTORY_INFO *)old_entry;
if (level == SMB_FIND_FILE_INFO_STANDARD) {
- FIND_FILE_STANDARD_INFO * pfData;
+ FIND_FILE_STANDARD_INFO *pfData;
pfData = (FIND_FILE_STANDARD_INFO *)pDirInfo;
new_entry = old_entry + sizeof(FIND_FILE_STANDARD_INFO) +
int len = 0;
if (cfile->srch_inf.info_level == SMB_FIND_FILE_UNIX) {
- FILE_UNIX_INFO * pFindData = (FILE_UNIX_INFO *)current_entry;
+ FILE_UNIX_INFO *pFindData = (FILE_UNIX_INFO *)current_entry;
filename = &pFindData->FileName[0];
if (cfile->srch_inf.unicode) {
len = cifs_unicode_bytelen(filename);
len = strnlen(filename, 5);
}
} else if (cfile->srch_inf.info_level == SMB_FIND_FILE_DIRECTORY_INFO) {
- FILE_DIRECTORY_INFO * pFindData =
+ 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 ==
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 ==
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 ==
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) {
- FIND_FILE_STANDARD_INFO * pFindData =
+ FIND_FILE_STANDARD_INFO *pFindData =
(FIND_FILE_STANDARD_INFO *)current_entry;
filename = &pFindData->FileName[0];
len = pFindData->FileNameLength;
. and .. for the root of a drive and for those we need
to start two entries earlier */
-#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)) ||
(index_to_find < first_entry_in_buffer)) {
/* 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.endOfSearch &&
+ !cifsFile->invalidHandle) {
+ cifsFile->invalidHandle = true;
+ CIFSFindClose(xid, pTcon, cifsFile->netfid);
+ }
if (cifsFile->srch_inf.ntwrk_buf_start) {
cFYI(1, ("freeing SMB ff cache buf on search rewind"));
if (cifsFile->srch_inf.smallBuf)
}
while ((index_to_find >= cifsFile->srch_inf.index_of_last_entry) &&
- (rc == 0) && (cifsFile->srch_inf.endOfSearch == FALSE)) {
+ (rc == 0) && !cifsFile->srch_inf.endOfSearch) {
cFYI(1, ("calling findnext2"));
rc = CIFSFindNext(xid, pTcon, cifsFile->netfid,
&cifsFile->srch_inf);
pos_in_buf = index_to_find - first_entry_in_buffer;
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,
cifsFile->srch_inf.info_level);
filename = &pFindData->FileName[0];
len = le32_to_cpu(pFindData->FileNameLength);
} else if (level == SMB_FIND_FILE_INFO_STANDARD) {
- FIND_FILE_STANDARD_INFO * pFindData =
+ FIND_FILE_STANDARD_INFO *pFindData =
(FIND_FILE_STANDARD_INFO *)current_entry;
filename = &pFindData->FileName[0];
/* one byte length, no name conversion */
level = cifsFile->srch_inf.info_level;
if (level == SMB_FIND_FILE_UNIX) {
- FILE_UNIX_INFO * pFindData = (FILE_UNIX_INFO *)current_entry;
+ FILE_UNIX_INFO *pFindData = (FILE_UNIX_INFO *)current_entry;
filename = &pFindData->FileName[0];
if (cifsFile->srch_inf.unicode) {
break;
}
} /* else {
- cifsFile->invalidHandle = TRUE;
+ 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);
projects / linux-2.6 / blobdiff