udf: Remove dead code
Jan Kara [Thu, 16 Jul 2009 15:35:11 +0000 (17:35 +0200)]
Remove code that gets never used.

Signed-off-by: Jan Kara <jack@suse.cz>

fs/udf/directory.c
fs/udf/lowlevel.c

index 1d2c570..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,
@@ -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)
 {
index 1b88fd5..43e24a3 100644 (file)
@@ -36,14 +36,10 @@ unsigned int udf_get_last_session(struct super_block *sb)
        ms_info.addr_format = CDROM_LBA;
        i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long)&ms_info);
 
-#define WE_OBEY_THE_WRITTEN_STANDARDS 1
-
        if (i == 0) {
                udf_debug("XA disk: %s, vol_desc_start=%d\n",
                          (ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba);
-#if WE_OBEY_THE_WRITTEN_STANDARDS
                if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
-#endif
                        vol_desc_start = ms_info.addr.lba;
        } else {
                udf_debug("CDROMMULTISESSION not supported: rc=%d\n", i);