#include <linux/buffer_head.h>
#if 0
-static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
+static uint8_t *udf_filead_read(struct inode *dir, uint8_t *tmpad,
uint8_t ad_size, kernel_lb_addr fe_loc,
int *pos, int *offset, struct buffer_head **bh,
int *error)
*error = 0;
- ad = (uint8_t *) (*bh)->b_data + *offset;
+ ad = (uint8_t *)(*bh)->b_data + *offset;
*offset += ad_size;
if (!ad) {
block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
if (!block)
return NULL;
- if (!(*bh = udf_tread(dir->i_sb, block)))
+ *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);
+ 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;
- if (!((*bh) = udf_tread(dir->i_sb, block)))
+ (*bh) = udf_tread(dir->i_sb, block);
+ if (!*bh)
return NULL;
- memcpy((uint8_t *) ad + remainder, (*bh)->b_data,
- ad_size - remainder);
+ 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 fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
struct udf_fileident_bh *fibh,
struct fileIdentDesc *cfi,
struct extent_position *epos,
- kernel_lb_addr * eloc, uint32_t * elen,
- sector_t * offset)
+ kernel_lb_addr *eloc, uint32_t *elen,
+ sector_t *offset)
{
struct fileIdentDesc *fi;
int i, num, block;
struct buffer_head *tmp, *bha[16];
+ struct udf_inode_info *iinfo = UDF_I(dir);
fibh->soffset = fibh->eoffset;
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
- fi = udf_get_fileident(UDF_I_DATA(dir) -
- (UDF_I_EFE(dir) ?
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+ fi = udf_get_fileident(iinfo->i_ext.i_data -
+ (iinfo->i_efe ?
sizeof(struct extendedFileEntry) :
sizeof(struct fileEntry)),
dir->i_sb->s_blocksize,
&(fibh->eoffset));
-
if (!fi)
return NULL;
- *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
+ *nf_pos += fibh->eoffset - fibh->soffset;
- memcpy((uint8_t *) cfi, (uint8_t *) fi,
+ memcpy((uint8_t *)cfi, (uint8_t *)fi,
sizeof(struct fileIdentDesc));
return fi;
if (fibh->eoffset == dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
+ unsigned char blocksize_bits = dir->i_sb->s_blocksize_bits;
if (udf_next_aext(dir, epos, eloc, elen, 1) !=
(EXT_RECORDED_ALLOCATED >> 30))
(*offset)++;
- if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
+ if ((*offset << blocksize_bits) >= *elen)
*offset = 0;
else
epos->offset = lextoffset;
brelse(fibh->sbh);
- if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
+ fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);
+ if (!fibh->sbh)
return NULL;
fibh->soffset = fibh->eoffset = 0;
- if (!
- (*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1)))
- {
- i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
- if (i + *offset >
- (*elen >> dir->i_sb->s_blocksize_bits))
- i = (*elen >> dir->i_sb->s_blocksize_bits) -
- *offset;
+ if (!(*offset & ((16 >> (blocksize_bits - 9)) - 1))) {
+ i = 16 >> (blocksize_bits - 9);
+ 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,
- *offset + i);
+ block = udf_get_lb_pblock(dir->i_sb, *eloc,
+ *offset + i);
tmp = udf_tgetblk(dir->i_sb, block);
- if (tmp && !buffer_uptodate(tmp)
- && !buffer_locked(tmp))
+ if (tmp && !buffer_uptodate(tmp) &&
+ !buffer_locked(tmp))
bha[num++] = tmp;
else
brelse(tmp);
if (!fi)
return NULL;
- *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
+ *nf_pos += fibh->eoffset - fibh->soffset;
if (fibh->eoffset <= dir->i_sb->s_blocksize) {
- memcpy((uint8_t *) cfi, (uint8_t *) fi,
+ memcpy((uint8_t *)cfi, (uint8_t *)fi,
sizeof(struct fileIdentDesc));
} else if (fibh->eoffset > dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
fibh->soffset -= dir->i_sb->s_blocksize;
fibh->eoffset -= dir->i_sb->s_blocksize;
- if (!(fibh->ebh = udf_tread(dir->i_sb, block)))
+ fibh->ebh = udf_tread(dir->i_sb, block);
+ if (!fibh->ebh)
return NULL;
if (sizeof(struct fileIdentDesc) > -fibh->soffset) {
int fi_len;
- memcpy((uint8_t *) cfi, (uint8_t *) fi, -fibh->soffset);
- memcpy((uint8_t *) cfi - fibh->soffset,
+ memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset);
+ memcpy((uint8_t *)cfi - fibh->soffset,
fibh->ebh->b_data,
sizeof(struct fileIdentDesc) + fibh->soffset);
- fi_len =
- (sizeof(struct fileIdentDesc) +
- cfi->lengthFileIdent +
- le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
+ fi_len = (sizeof(struct fileIdentDesc) +
+ cfi->lengthFileIdent +
+ le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
- *nf_pos +=
- ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2);
+ *nf_pos += fi_len - (fibh->eoffset - fibh->soffset);
fibh->eoffset = fibh->soffset + fi_len;
} else {
- memcpy((uint8_t *) cfi, (uint8_t *) fi,
+ memcpy((uint8_t *)cfi, (uint8_t *)fi,
sizeof(struct fileIdentDesc));
}
}
ptr = buffer;
- if ((*offset > 0) && (*offset < bufsize)) {
+ if ((*offset > 0) && (*offset < bufsize))
ptr += *offset;
- }
fi = (struct fileIdentDesc *)ptr;
- if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID) {
+ if (fi->descTag.tagIdent != cpu_to_le16(TAG_IDENT_FID)) {
udf_debug("0x%x != TAG_IDENT_FID\n",
le16_to_cpu(fi->descTag.tagIdent));
udf_debug("offset: %u sizeof: %lu bufsize: %u\n",
bufsize);
return NULL;
}
- if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) {
+ if ((*offset + sizeof(struct fileIdentDesc)) > bufsize)
lengthThisIdent = sizeof(struct fileIdentDesc);
- } else
+ else
lengthThisIdent = sizeof(struct fileIdentDesc) +
- fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse);
+ fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse);
/* we need to figure padding, too! */
padlen = lengthThisIdent % UDF_NAME_PAD;
fe = (struct fileEntry *)buffer;
- if (le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE) {
+ 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);
+ ptr = (uint8_t *)(fe->extendedAttr) +
+ le32_to_cpu(fe->lengthExtendedAttr);
- if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) {
+ if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs)))
ptr += *offset;
- }
- ext = (extent_ad *) ptr;
+ ext = (extent_ad *)ptr;
*offset = *offset + sizeof(extent_ad);
return ext;
}
#endif
-short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset,
+short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, uint32_t *offset,
int inc)
{
short_ad *sa;
return NULL;
}
- if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset))
- return NULL;
- else if ((sa = (short_ad *) ptr)->extLength == 0)
+ if ((*offset + sizeof(short_ad)) > maxoffset)
return NULL;
+ else {
+ sa = (short_ad *)ptr;
+ if (sa->extLength == 0)
+ return NULL;
+ }
if (inc)
*offset += sizeof(short_ad);
return sa;
}
-long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc)
+long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, uint32_t *offset, int inc)
{
long_ad *la;
return NULL;
}
- if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset))
- return NULL;
- else if ((la = (long_ad *) ptr)->extLength == 0)
+ if ((*offset + sizeof(long_ad)) > maxoffset)
return NULL;
+ else {
+ la = (long_ad *)ptr;
+ if (la->extLength == 0)
+ return NULL;
+ }
if (inc)
*offset += sizeof(long_ad);