ARM: 6165/1: trap overflows on highmem pages from kmap_atomic when debugging
[safe/jmp/linux-2.6] / fs / udf / directory.c
index 0ab251d..2ffdb67 100644 (file)
 #include <linux/string.h>
 #include <linux/buffer_head.h>
 
-#if 0
-static uint8_t *udf_filead_read(struct inode *dir, uint8_t *tmpad,
-                               uint8_t ad_size, struct kernel_lb_addr fe_loc,
-                               int *pos, int *offset, struct buffer_head **bh,
-                               int *error)
-{
-       int loffset = *offset;
-       int block;
-       uint8_t *ad;
-       int remainder;
-
-       *error = 0;
-
-       ad = (uint8_t *)(*bh)->b_data + *offset;
-       *offset += ad_size;
-
-       if (!ad) {
-               brelse(*bh);
-               *error = 1;
-               return NULL;
-       }
-
-       if (*offset == dir->i_sb->s_blocksize) {
-               brelse(*bh);
-               block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
-               if (!block)
-                       return NULL;
-               *bh = udf_tread(dir->i_sb, block);
-               if (!*bh)
-                       return NULL;
-       } else if (*offset > dir->i_sb->s_blocksize) {
-               ad = tmpad;
-
-               remainder = dir->i_sb->s_blocksize - loffset;
-               memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder);
-
-               brelse(*bh);
-               block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
-               if (!block)
-                       return NULL;
-               (*bh) = udf_tread(dir->i_sb, block);
-               if (!*bh)
-                       return NULL;
-
-               memcpy((uint8_t *)ad + remainder, (*bh)->b_data,
-                       ad_size - remainder);
-               *offset = ad_size - remainder;
-       }
-
-       return ad;
-}
-#endif
-
 struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
                                         struct udf_fileident_bh *fibh,
                                         struct fileIdentDesc *cfi,
@@ -111,7 +58,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
                    (EXT_RECORDED_ALLOCATED >> 30))
                        return NULL;
 
-               block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
+               block = udf_get_lb_pblock(dir->i_sb, eloc, *offset);
 
                (*offset)++;
 
@@ -131,7 +78,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
                        if (i + *offset > (*elen >> blocksize_bits))
                                i = (*elen >> blocksize_bits)-*offset;
                        for (num = 0; i > 0; i--) {
-                               block = udf_get_lb_pblock(dir->i_sb, *eloc,
+                               block = udf_get_lb_pblock(dir->i_sb, eloc,
                                                          *offset + i);
                                tmp = udf_tgetblk(dir->i_sb, block);
                                if (tmp && !buffer_uptodate(tmp) &&
@@ -169,7 +116,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
                    (EXT_RECORDED_ALLOCATED >> 30))
                        return NULL;
 
-               block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
+               block = udf_get_lb_pblock(dir->i_sb, eloc, *offset);
 
                (*offset)++;
 
@@ -248,39 +195,6 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
        return fi;
 }
 
-#if 0
-static struct extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
-{
-       struct extent_ad *ext;
-       struct fileEntry *fe;
-       uint8_t *ptr;
-
-       if ((!buffer) || (!offset)) {
-               printk(KERN_ERR "udf: udf_get_fileextent() invalidparms\n");
-               return NULL;
-       }
-
-       fe = (struct fileEntry *)buffer;
-
-       if (fe->descTag.tagIdent != cpu_to_le16(TAG_IDENT_FE)) {
-               udf_debug("0x%x != TAG_IDENT_FE\n",
-                         le16_to_cpu(fe->descTag.tagIdent));
-               return NULL;
-       }
-
-       ptr = (uint8_t *)(fe->extendedAttr) +
-               le32_to_cpu(fe->lengthExtendedAttr);
-
-       if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs)))
-               ptr += *offset;
-
-       ext = (struct extent_ad *)ptr;
-
-       *offset = *offset + sizeof(struct extent_ad);
-       return ext;
-}
-#endif
-
 struct short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, uint32_t *offset,
                              int inc)
 {