* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/fs.h>
+#include <linux/pagemap.h>
#include <linux/stat.h>
#include <linux/smp_lock.h>
#include "cifspdu.h"
#include "cifs_fs_sb.h"
#include "cifsfs.h"
-/* BB fixme - add debug wrappers around this function to disable it fixme BB */
-/* static void dump_cifs_file_struct(struct file *file, char *label)
+#ifdef CONFIG_CIFS_DEBUG2
+static void dump_cifs_file_struct(struct file *file, char *label)
{
struct cifsFileInfo * cf;
}
}
-} */
+}
+#endif /* DEBUG2 */
/* Returns one if new inode created (which therefore needs to be hashed) */
/* Might check in the future if inode number changed so we can rehash inode */
else
tmp_inode->i_fop = &cifs_file_ops;
- tmp_inode->i_data.a_ops = &cifs_addr_ops;
if((cifs_sb->tcon) && (cifs_sb->tcon->ses) &&
(cifs_sb->tcon->ses->server->maxBuf <
- 4096 + MAX_CIFS_HDR_SIZE))
- tmp_inode->i_data.a_ops->readpages = NULL;
+ 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 have not started caching readahead file
else
tmp_inode->i_fop = &cifs_file_ops;
- tmp_inode->i_data.a_ops = &cifs_addr_ops;
if((cifs_sb->tcon) && (cifs_sb->tcon->ses) &&
(cifs_sb->tcon->ses->server->maxBuf <
- 4096 + MAX_CIFS_HDR_SIZE))
- tmp_inode->i_data.a_ops->readpages = NULL;
+ 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
if(pTcon == NULL)
return -EINVAL;
- mutex_lock(&file->f_dentry->d_sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(file->f_dentry);
- mutex_unlock(&file->f_dentry->d_sb->s_vfs_rename_mutex);
if(full_path == NULL) {
return -ENOMEM;
first_entry_in_buffer =
cifsFile->srch_inf.index_of_last_entry -
cifsFile->srch_inf.entries_in_buffer;
-/* dump_cifs_file_struct(file, "In fce ");*/
+
+ /* if first entry in buf is zero then is first buffer
+ in search response data which means it is likely . and ..
+ will be in this buffer, although some servers do not return
+ . 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)) {
cifsFile->search_resume_name = NULL;
if(cifsFile->srch_inf.ntwrk_buf_start) {
cFYI(1,("freeing SMB ff cache buf on search rewind"));
- cifs_buf_release(cifsFile->srch_inf.ntwrk_buf_start);
+ 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) {
char * end_of_smb = cifsFile->srch_inf.ntwrk_buf_start +
smbCalcSize((struct smb_hdr *)
cifsFile->srch_inf.ntwrk_buf_start);
+
+ current_entry = cifsFile->srch_inf.srch_entries_start;
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));
- current_entry = cifsFile->srch_inf.srch_entries_start;
for(i=0;(i<(pos_in_buf)) && (current_entry != NULL);i++) {
/* go entry by entry figuring out which is first */
- /* if( . or ..)
- skip */
- rc = cifs_entry_is_dot(current_entry,cifsFile);
- if(rc == 1) /* is . or .. so skip */ {
- cFYI(1,("Entry is .")); /* BB removeme BB */
- /* continue; */
- } else if (rc == 2 ) {
- cFYI(1,("Entry is ..")); /* BB removeme BB */
- /* continue; */
- }
current_entry = nxt_dir_entry(current_entry,end_of_smb);
}
if((current_entry == NULL) && (i < pos_in_buf)) {
if(file->f_dentry == NULL)
return -ENOENT;
+ rc = cifs_entry_is_dot(pfindEntry,pCifsF);
+ /* skip . and .. since we added them first */
+ if(rc != 0)
+ return 0;
+
cifs_sb = CIFS_SB(file->f_dentry->d_sb);
qstring.name = scratch_buf;
switch ((int) file->f_pos) {
case 0:
- /*if (filldir(direntry, ".", 1, file->f_pos,
+ if (filldir(direntry, ".", 1, file->f_pos,
file->f_dentry->d_inode->i_ino, DT_DIR) < 0) {
- cERROR(1, ("Filldir for current dir failed "));
+ cERROR(1, ("Filldir for current dir failed"));
rc = -ENOMEM;
break;
}
- file->f_pos++; */
+ file->f_pos++;
case 1:
- /* if (filldir(direntry, "..", 2, file->f_pos,
+ if (filldir(direntry, "..", 2, file->f_pos,
file->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) {
- cERROR(1, ("Filldir for parent dir failed "));
+ cERROR(1, ("Filldir for parent dir failed"));
rc = -ENOMEM;
break;
}
- file->f_pos++; */
- case 2:
+ file->f_pos++;
+ default:
/* 1) If search is active,
is in current search buffer?
if it before then restart search
return rc;
}
}
- default:
if(file->private_data == NULL) {
rc = -EINVAL;
FreeXid(xid);
kfree(cifsFile->search_resume_name);
cifsFile->search_resume_name = NULL; */
- /* BB account for . and .. in f_pos as special case */
-
rc = find_cifs_entry(xid,pTcon, file,
¤t_entry,&num_to_fill);
if(rc) {
num_to_fill, i));
break;
}
-
+ /* if buggy server returns . and .. late do
+ we want to check for that here? */
rc = cifs_filldir(current_entry, file,
filldir, direntry,tmp_buf);
file->f_pos++;
- if(file->f_pos == cifsFile->srch_inf.index_of_last_entry) {
+ 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)); /* BB removeme BB */
+ file->f_pos,tmp_buf));
cifs_save_resume_key(current_entry,cifsFile);
break;
} else
projects / linux-2.6 / blobdiff