summaryrefslogtreecommitdiff
path: root/fs/udf/directory.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/udf/directory.c')
-rw-r--r--fs/udf/directory.c207
1 files changed, 99 insertions, 108 deletions
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 198caa33027a..8adc77c1d579 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -19,10 +19,10 @@
#include <linux/buffer_head.h>
#if 0
-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)
+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)
{
int loffset = *offset;
int block;
@@ -31,31 +31,27 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
*error = 0;
- ad = (uint8_t *)(*bh)->b_data + *offset;
+ ad = (uint8_t *) (*bh)->b_data + *offset;
*offset += ad_size;
- if (!ad)
- {
+ if (!ad) {
brelse(*bh);
*error = 1;
return NULL;
}
- if (*offset == dir->i_sb->s_blocksize)
- {
+ if (*offset == dir->i_sb->s_blocksize) {
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)))
return NULL;
- }
- else if (*offset > dir->i_sb->s_blocksize)
- {
+ } 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);
@@ -64,56 +60,56 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
if (!((*bh) = udf_tread(dir->i_sb, block)))
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 udf_fileident_bh *fibh,
- struct fileIdentDesc *cfi,
- struct extent_position *epos,
- kernel_lb_addr *eloc, uint32_t *elen,
- sector_t *offset)
+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)
{
struct fileIdentDesc *fi;
int i, num, block;
- struct buffer_head * tmp, * bha[16];
+ struct buffer_head *tmp, *bha[16];
fibh->soffset = fibh->eoffset;
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fi = udf_get_fileident(UDF_I_DATA(dir) -
- (UDF_I_EFE(dir) ?
- sizeof(struct extendedFileEntry) :
- sizeof(struct fileEntry)),
- dir->i_sb->s_blocksize, &(fibh->eoffset));
+ (UDF_I_EFE(dir) ?
+ sizeof(struct extendedFileEntry) :
+ sizeof(struct fileEntry)),
+ dir->i_sb->s_blocksize,
+ &(fibh->eoffset));
if (!fi)
return NULL;
*nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
- memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
+ memcpy((uint8_t *) cfi, (uint8_t *) fi,
+ sizeof(struct fileIdentDesc));
return fi;
}
- if (fibh->eoffset == dir->i_sb->s_blocksize)
- {
+ if (fibh->eoffset == dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
if (udf_next_aext(dir, epos, eloc, elen, 1) !=
- (EXT_RECORDED_ALLOCATED >> 30))
+ (EXT_RECORDED_ALLOCATED >> 30))
return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
- (*offset) ++;
+ (*offset)++;
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
@@ -125,57 +121,57 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos,
return NULL;
fibh->soffset = fibh->eoffset = 0;
- if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9))-1)))
+ 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;
- for (num=0; i>0; i--)
- {
- block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset+i);
+ if (i + *offset >
+ (*elen >> dir->i_sb->s_blocksize_bits))
+ i = (*elen >> dir->i_sb->s_blocksize_bits) -
+ *offset;
+ for (num = 0; i > 0; 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 (num)
- {
+ if (num) {
ll_rw_block(READA, num, bha);
- for (i=0; i<num; i++)
+ for (i = 0; i < num; i++)
brelse(bha[i]);
}
}
- }
- else if (fibh->sbh != fibh->ebh)
- {
+ } else if (fibh->sbh != fibh->ebh) {
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
fi = udf_get_fileident(fibh->sbh->b_data, dir->i_sb->s_blocksize,
- &(fibh->eoffset));
+ &(fibh->eoffset));
if (!fi)
return NULL;
*nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
- if (fibh->eoffset <= dir->i_sb->s_blocksize)
- {
- memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
- }
- else if (fibh->eoffset > dir->i_sb->s_blocksize)
- {
+ if (fibh->eoffset <= dir->i_sb->s_blocksize) {
+ memcpy((uint8_t *) cfi, (uint8_t *) fi,
+ sizeof(struct fileIdentDesc));
+ } else if (fibh->eoffset > dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
if (udf_next_aext(dir, epos, eloc, elen, 1) !=
- (EXT_RECORDED_ALLOCATED >> 30))
+ (EXT_RECORDED_ALLOCATED >> 30))
return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
- (*offset) ++;
+ (*offset)++;
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
@@ -188,62 +184,62 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos,
if (!(fibh->ebh = udf_tread(dir->i_sb, block)))
return NULL;
- if (sizeof(struct fileIdentDesc) > - fibh->soffset)
- {
+ if (sizeof(struct fileIdentDesc) > -fibh->soffset) {
int fi_len;
- memcpy((uint8_t *)cfi, (uint8_t *)fi, - fibh->soffset);
- memcpy((uint8_t *)cfi - fibh->soffset, fibh->ebh->b_data,
- sizeof(struct fileIdentDesc) + 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)) >> 2);
fibh->eoffset = fibh->soffset + fi_len;
- }
- else
- {
- memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
+ } else {
+ memcpy((uint8_t *) cfi, (uint8_t *) fi,
+ sizeof(struct fileIdentDesc));
}
}
return fi;
}
-struct fileIdentDesc *
-udf_get_fileident(void * buffer, int bufsize, int * offset)
+struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
{
struct fileIdentDesc *fi;
int lengthThisIdent;
- uint8_t * ptr;
+ uint8_t *ptr;
int padlen;
- if ( (!buffer) || (!offset) ) {
- udf_debug("invalidparms\n, buffer=%p, offset=%p\n", buffer, offset);
+ if ((!buffer) || (!offset)) {
+ udf_debug("invalidparms\n, buffer=%p, offset=%p\n", buffer,
+ offset);
return NULL;
}
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)
- {
+ fi = (struct fileIdentDesc *)ptr;
+ if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID) {
udf_debug("0x%x != TAG_IDENT_FID\n",
- le16_to_cpu(fi->descTag.tagIdent));
+ le16_to_cpu(fi->descTag.tagIdent));
udf_debug("offset: %u sizeof: %lu bufsize: %u\n",
- *offset, (unsigned long)sizeof(struct fileIdentDesc), bufsize);
+ *offset, (unsigned long)sizeof(struct fileIdentDesc),
+ 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;
@@ -255,56 +251,53 @@ udf_get_fileident(void * buffer, int bufsize, int * offset)
}
#if 0
-static extent_ad *
-udf_get_fileextent(void * buffer, int bufsize, int * offset)
+static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
{
- extent_ad * ext;
+ extent_ad *ext;
struct fileEntry *fe;
- uint8_t * ptr;
+ uint8_t *ptr;
- if ( (!buffer) || (!offset) )
- {
+ if ((!buffer) || (!offset)) {
printk(KERN_ERR "udf: udf_get_fileextent() invalidparms\n");
return NULL;
}
fe = (struct fileEntry *)buffer;
- if ( le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE )
- {
+ if (le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE) {
udf_debug("0x%x != TAG_IDENT_FE\n",
- le16_to_cpu(fe->descTag.tagIdent));
+ 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, int inc)
+short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset,
+ int inc)
{
short_ad *sa;
- if ( (!ptr) || (!offset) )
- {
+ if ((!ptr) || (!offset)) {
printk(KERN_ERR "udf: udf_get_fileshortad() invalidparms\n");
return NULL;
}
- if ( (*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset) )
+ if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset))
return NULL;
- else if ((sa = (short_ad *)ptr)->extLength == 0)
+ else if ((sa = (short_ad *) ptr)->extLength == 0)
return NULL;
if (inc)
@@ -312,20 +305,18 @@ udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, int inc)
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, int *offset, int inc)
{
long_ad *la;
- if ( (!ptr) || (!offset) )
- {
+ if ((!ptr) || (!offset)) {
printk(KERN_ERR "udf: udf_get_filelongad() invalidparms\n");
return NULL;
}
- if ( (*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset) )
+ if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset))
return NULL;
- else if ((la = (long_ad *)ptr)->extLength == 0)
+ else if ((la = (long_ad *) ptr)->extLength == 0)
return NULL;
if (inc)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 17:48:09 +0000