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-rw-r--r--fs/cifs/readdir.c77
1 files changed, 38 insertions, 39 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index df40cc5fd13a..770d5a9781c1 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -48,15 +48,15 @@ static void dump_cifs_file_struct(struct file *file, char *label)
48 if (file) { 48 if (file) {
49 cf = file->private_data; 49 cf = file->private_data;
50 if (cf == NULL) { 50 if (cf == NULL) {
51 cFYI(1, "empty cifs private file data"); 51 cifs_dbg(FYI, "empty cifs private file data\n");
52 return; 52 return;
53 } 53 }
54 if (cf->invalidHandle) 54 if (cf->invalidHandle)
55 cFYI(1, "invalid handle"); 55 cifs_dbg(FYI, "invalid handle\n");
56 if (cf->srch_inf.endOfSearch) 56 if (cf->srch_inf.endOfSearch)
57 cFYI(1, "end of search"); 57 cifs_dbg(FYI, "end of search\n");
58 if (cf->srch_inf.emptyDir) 58 if (cf->srch_inf.emptyDir)
59 cFYI(1, "empty dir"); 59 cifs_dbg(FYI, "empty dir\n");
60 } 60 }
61} 61}
62#else 62#else
@@ -80,7 +80,7 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
80 struct super_block *sb = parent->d_inode->i_sb; 80 struct super_block *sb = parent->d_inode->i_sb;
81 struct cifs_sb_info *cifs_sb = CIFS_SB(sb); 81 struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
82 82
83 cFYI(1, "%s: for %s", __func__, name->name); 83 cifs_dbg(FYI, "%s: for %s\n", __func__, name->name);
84 84
85 dentry = d_hash_and_lookup(parent, name); 85 dentry = d_hash_and_lookup(parent, name);
86 if (unlikely(IS_ERR(dentry))) 86 if (unlikely(IS_ERR(dentry)))
@@ -233,7 +233,7 @@ int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb,
233 fid, 233 fid,
234 cifs_sb->local_nls); 234 cifs_sb->local_nls);
235 if (CIFSSMBClose(xid, ptcon, fid)) { 235 if (CIFSSMBClose(xid, ptcon, fid)) {
236 cFYI(1, "Error closing temporary reparsepoint open"); 236 cifs_dbg(FYI, "Error closing temporary reparsepoint open\n");
237 } 237 }
238 } 238 }
239} 239}
@@ -285,7 +285,7 @@ initiate_cifs_search(const unsigned int xid, struct file *file)
285 goto error_exit; 285 goto error_exit;
286 } 286 }
287 287
288 cFYI(1, "Full path: %s start at: %lld", full_path, file->f_pos); 288 cifs_dbg(FYI, "Full path: %s start at: %lld\n", full_path, file->f_pos);
289 289
290ffirst_retry: 290ffirst_retry:
291 /* test for Unix extensions */ 291 /* test for Unix extensions */
@@ -336,7 +336,7 @@ static int cifs_unicode_bytelen(const char *str)
336 if (ustr[len] == 0) 336 if (ustr[len] == 0)
337 return len << 1; 337 return len << 1;
338 } 338 }
339 cFYI(1, "Unicode string longer than PATH_MAX found"); 339 cifs_dbg(FYI, "Unicode string longer than PATH_MAX found\n");
340 return len << 1; 340 return len << 1;
341} 341}
342 342
@@ -353,18 +353,18 @@ static char *nxt_dir_entry(char *old_entry, char *end_of_smb, int level)
353 pfData->FileNameLength; 353 pfData->FileNameLength;
354 } else 354 } else
355 new_entry = old_entry + le32_to_cpu(pDirInfo->NextEntryOffset); 355 new_entry = old_entry + le32_to_cpu(pDirInfo->NextEntryOffset);
356 cFYI(1, "new entry %p old entry %p", new_entry, old_entry); 356 cifs_dbg(FYI, "new entry %p old entry %p\n", new_entry, old_entry);
357 /* validate that new_entry is not past end of SMB */ 357 /* validate that new_entry is not past end of SMB */
358 if (new_entry >= end_of_smb) { 358 if (new_entry >= end_of_smb) {
359 cERROR(1, "search entry %p began after end of SMB %p old entry %p", 359 cifs_dbg(VFS, "search entry %p began after end of SMB %p old entry %p\n",
360 new_entry, end_of_smb, old_entry); 360 new_entry, end_of_smb, old_entry);
361 return NULL; 361 return NULL;
362 } else if (((level == SMB_FIND_FILE_INFO_STANDARD) && 362 } else if (((level == SMB_FIND_FILE_INFO_STANDARD) &&
363 (new_entry + sizeof(FIND_FILE_STANDARD_INFO) > end_of_smb)) 363 (new_entry + sizeof(FIND_FILE_STANDARD_INFO) > end_of_smb))
364 || ((level != SMB_FIND_FILE_INFO_STANDARD) && 364 || ((level != SMB_FIND_FILE_INFO_STANDARD) &&
365 (new_entry + sizeof(FILE_DIRECTORY_INFO) > end_of_smb))) { 365 (new_entry + sizeof(FILE_DIRECTORY_INFO) > end_of_smb))) {
366 cERROR(1, "search entry %p extends after end of SMB %p", 366 cifs_dbg(VFS, "search entry %p extends after end of SMB %p\n",
367 new_entry, end_of_smb); 367 new_entry, end_of_smb);
368 return NULL; 368 return NULL;
369 } else 369 } else
370 return new_entry; 370 return new_entry;
@@ -457,7 +457,7 @@ static int cifs_fill_dirent(struct cifs_dirent *de, const void *info,
457 cifs_fill_dirent_std(de, info); 457 cifs_fill_dirent_std(de, info);
458 break; 458 break;
459 default: 459 default:
460 cFYI(1, "Unknown findfirst level %d", level); 460 cifs_dbg(FYI, "Unknown findfirst level %d\n", level);
461 return -EINVAL; 461 return -EINVAL;
462 } 462 }
463 463
@@ -572,7 +572,7 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon,
572 if (((index_to_find < cfile->srch_inf.index_of_last_entry) && 572 if (((index_to_find < cfile->srch_inf.index_of_last_entry) &&
573 is_dir_changed(file)) || (index_to_find < first_entry_in_buffer)) { 573 is_dir_changed(file)) || (index_to_find < first_entry_in_buffer)) {
574 /* close and restart search */ 574 /* close and restart search */
575 cFYI(1, "search backing up - close and restart search"); 575 cifs_dbg(FYI, "search backing up - close and restart search\n");
576 spin_lock(&cifs_file_list_lock); 576 spin_lock(&cifs_file_list_lock);
577 if (!cfile->srch_inf.endOfSearch && !cfile->invalidHandle) { 577 if (!cfile->srch_inf.endOfSearch && !cfile->invalidHandle) {
578 cfile->invalidHandle = true; 578 cfile->invalidHandle = true;
@@ -582,7 +582,7 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon,
582 } else 582 } else
583 spin_unlock(&cifs_file_list_lock); 583 spin_unlock(&cifs_file_list_lock);
584 if (cfile->srch_inf.ntwrk_buf_start) { 584 if (cfile->srch_inf.ntwrk_buf_start) {
585 cFYI(1, "freeing SMB ff cache buf on search rewind"); 585 cifs_dbg(FYI, "freeing SMB ff cache buf on search rewind\n");
586 if (cfile->srch_inf.smallBuf) 586 if (cfile->srch_inf.smallBuf)
587 cifs_small_buf_release(cfile->srch_inf. 587 cifs_small_buf_release(cfile->srch_inf.
588 ntwrk_buf_start); 588 ntwrk_buf_start);
@@ -593,7 +593,7 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon,
593 } 593 }
594 rc = initiate_cifs_search(xid, file); 594 rc = initiate_cifs_search(xid, file);
595 if (rc) { 595 if (rc) {
596 cFYI(1, "error %d reinitiating a search on rewind", 596 cifs_dbg(FYI, "error %d reinitiating a search on rewind\n",
597 rc); 597 rc);
598 return rc; 598 return rc;
599 } 599 }
@@ -608,7 +608,7 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon,
608 608
609 while ((index_to_find >= cfile->srch_inf.index_of_last_entry) && 609 while ((index_to_find >= cfile->srch_inf.index_of_last_entry) &&
610 (rc == 0) && !cfile->srch_inf.endOfSearch) { 610 (rc == 0) && !cfile->srch_inf.endOfSearch) {
611 cFYI(1, "calling findnext2"); 611 cifs_dbg(FYI, "calling findnext2\n");
612 rc = server->ops->query_dir_next(xid, tcon, &cfile->fid, 612 rc = server->ops->query_dir_next(xid, tcon, &cfile->fid,
613 search_flags, 613 search_flags,
614 &cfile->srch_inf); 614 &cfile->srch_inf);
@@ -631,7 +631,7 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon,
631 first_entry_in_buffer = cfile->srch_inf.index_of_last_entry 631 first_entry_in_buffer = cfile->srch_inf.index_of_last_entry
632 - cfile->srch_inf.entries_in_buffer; 632 - cfile->srch_inf.entries_in_buffer;
633 pos_in_buf = index_to_find - first_entry_in_buffer; 633 pos_in_buf = index_to_find - first_entry_in_buffer;
634 cFYI(1, "found entry - pos_in_buf %d", pos_in_buf); 634 cifs_dbg(FYI, "found entry - pos_in_buf %d\n", pos_in_buf);
635 635
636 for (i = 0; (i < (pos_in_buf)) && (cur_ent != NULL); i++) { 636 for (i = 0; (i < (pos_in_buf)) && (cur_ent != NULL); i++) {
637 /* go entry by entry figuring out which is first */ 637 /* go entry by entry figuring out which is first */
@@ -640,19 +640,18 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon,
640 } 640 }
641 if ((cur_ent == NULL) && (i < pos_in_buf)) { 641 if ((cur_ent == NULL) && (i < pos_in_buf)) {
642 /* BB fixme - check if we should flag this error */ 642 /* BB fixme - check if we should flag this error */
643 cERROR(1, "reached end of buf searching for pos in buf" 643 cifs_dbg(VFS, "reached end of buf searching for pos in buf %d index to find %lld rc %d\n",
644 " %d index to find %lld rc %d", pos_in_buf, 644 pos_in_buf, index_to_find, rc);
645 index_to_find, rc);
646 } 645 }
647 rc = 0; 646 rc = 0;
648 *current_entry = cur_ent; 647 *current_entry = cur_ent;
649 } else { 648 } else {
650 cFYI(1, "index not in buffer - could not findnext into it"); 649 cifs_dbg(FYI, "index not in buffer - could not findnext into it\n");
651 return 0; 650 return 0;
652 } 651 }
653 652
654 if (pos_in_buf >= cfile->srch_inf.entries_in_buffer) { 653 if (pos_in_buf >= cfile->srch_inf.entries_in_buffer) {
655 cFYI(1, "can not return entries pos_in_buf beyond last"); 654 cifs_dbg(FYI, "can not return entries pos_in_buf beyond last\n");
656 *num_to_ret = 0; 655 *num_to_ret = 0;
657 } else 656 } else
658 *num_to_ret = cfile->srch_inf.entries_in_buffer - pos_in_buf; 657 *num_to_ret = cfile->srch_inf.entries_in_buffer - pos_in_buf;
@@ -678,8 +677,8 @@ static int cifs_filldir(char *find_entry, struct file *file, filldir_t filldir,
678 return rc; 677 return rc;
679 678
680 if (de.namelen > max_len) { 679 if (de.namelen > max_len) {
681 cERROR(1, "bad search response length %zd past smb end", 680 cifs_dbg(VFS, "bad search response length %zd past smb end\n",
682 de.namelen); 681 de.namelen);
683 return -EINVAL; 682 return -EINVAL;
684 } 683 }
685 684
@@ -768,7 +767,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
768 */ 767 */
769 if (file->private_data == NULL) { 768 if (file->private_data == NULL) {
770 rc = initiate_cifs_search(xid, file); 769 rc = initiate_cifs_search(xid, file);
771 cFYI(1, "initiate cifs search rc %d", rc); 770 cifs_dbg(FYI, "initiate cifs search rc %d\n", rc);
772 if (rc) 771 if (rc)
773 goto rddir2_exit; 772 goto rddir2_exit;
774 } 773 }
@@ -777,7 +776,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
777 case 0: 776 case 0:
778 if (filldir(direntry, ".", 1, file->f_pos, 777 if (filldir(direntry, ".", 1, file->f_pos,
779 file_inode(file)->i_ino, DT_DIR) < 0) { 778 file_inode(file)->i_ino, DT_DIR) < 0) {
780 cERROR(1, "Filldir for current dir failed"); 779 cifs_dbg(VFS, "Filldir for current dir failed\n");
781 rc = -ENOMEM; 780 rc = -ENOMEM;
782 break; 781 break;
783 } 782 }
@@ -785,7 +784,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
785 case 1: 784 case 1:
786 if (filldir(direntry, "..", 2, file->f_pos, 785 if (filldir(direntry, "..", 2, file->f_pos,
787 parent_ino(file->f_path.dentry), DT_DIR) < 0) { 786 parent_ino(file->f_path.dentry), DT_DIR) < 0) {
788 cERROR(1, "Filldir for parent dir failed"); 787 cifs_dbg(VFS, "Filldir for parent dir failed\n");
789 rc = -ENOMEM; 788 rc = -ENOMEM;
790 break; 789 break;
791 } 790 }
@@ -804,7 +803,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
804 cifsFile = file->private_data; 803 cifsFile = file->private_data;
805 if (cifsFile->srch_inf.endOfSearch) { 804 if (cifsFile->srch_inf.endOfSearch) {
806 if (cifsFile->srch_inf.emptyDir) { 805 if (cifsFile->srch_inf.emptyDir) {
807 cFYI(1, "End of search, empty dir"); 806 cifs_dbg(FYI, "End of search, empty dir\n");
808 rc = 0; 807 rc = 0;
809 break; 808 break;
810 } 809 }
@@ -817,16 +816,16 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
817 rc = find_cifs_entry(xid, tcon, file, &current_entry, 816 rc = find_cifs_entry(xid, tcon, file, &current_entry,
818 &num_to_fill); 817 &num_to_fill);
819 if (rc) { 818 if (rc) {
820 cFYI(1, "fce error %d", rc); 819 cifs_dbg(FYI, "fce error %d\n", rc);
821 goto rddir2_exit; 820 goto rddir2_exit;
822 } else if (current_entry != NULL) { 821 } else if (current_entry != NULL) {
823 cFYI(1, "entry %lld found", file->f_pos); 822 cifs_dbg(FYI, "entry %lld found\n", file->f_pos);
824 } else { 823 } else {
825 cFYI(1, "could not find entry"); 824 cifs_dbg(FYI, "could not find entry\n");
826 goto rddir2_exit; 825 goto rddir2_exit;
827 } 826 }
828 cFYI(1, "loop through %d times filling dir for net buf %p", 827 cifs_dbg(FYI, "loop through %d times filling dir for net buf %p\n",
829 num_to_fill, cifsFile->srch_inf.ntwrk_buf_start); 828 num_to_fill, cifsFile->srch_inf.ntwrk_buf_start);
830 max_len = tcon->ses->server->ops->calc_smb_size( 829 max_len = tcon->ses->server->ops->calc_smb_size(
831 cifsFile->srch_inf.ntwrk_buf_start); 830 cifsFile->srch_inf.ntwrk_buf_start);
832 end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + max_len; 831 end_of_smb = cifsFile->srch_inf.ntwrk_buf_start + max_len;
@@ -840,8 +839,8 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
840 for (i = 0; (i < num_to_fill) && (rc == 0); i++) { 839 for (i = 0; (i < num_to_fill) && (rc == 0); i++) {
841 if (current_entry == NULL) { 840 if (current_entry == NULL) {
842 /* evaluate whether this case is an error */ 841 /* evaluate whether this case is an error */
843 cERROR(1, "past SMB end, num to fill %d i %d", 842 cifs_dbg(VFS, "past SMB end, num to fill %d i %d\n",
844 num_to_fill, i); 843 num_to_fill, i);
845 break; 844 break;
846 } 845 }
847 /* 846 /*
@@ -858,8 +857,8 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
858 file->f_pos++; 857 file->f_pos++;
859 if (file->f_pos == 858 if (file->f_pos ==
860 cifsFile->srch_inf.index_of_last_entry) { 859 cifsFile->srch_inf.index_of_last_entry) {
861 cFYI(1, "last entry in buf at pos %lld %s", 860 cifs_dbg(FYI, "last entry in buf at pos %lld %s\n",
862 file->f_pos, tmp_buf); 861 file->f_pos, tmp_buf);
863 cifs_save_resume_key(current_entry, cifsFile); 862 cifs_save_resume_key(current_entry, cifsFile);
864 break; 863 break;
865 } else 864 } else