struct extent_position *);
static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
-/*
- * udf_delete_inode
- *
- * PURPOSE
- * Clean-up before the specified inode is destroyed.
- *
- * DESCRIPTION
- * This routine is called when the kernel destroys an inode structure
- * ie. when iput() finds i_count == 0.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- *
- * Called at the last iput() if i_nlink is zero.
- */
+
void udf_delete_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
eloc.logicalBlockNum = *block;
eloc.partitionReferenceNum =
iinfo->i_location.partitionReferenceNum;
- elen = inode->i_size;
+ elen = inode->i_sb->s_blocksize;
iinfo->i_lenExtents = elen;
epos.bh = NULL;
epos.block = iinfo->i_location;
lock_kernel();
- if (block < 0)
- goto abort_negative;
-
iinfo = UDF_I(inode);
if (block == iinfo->i_next_alloc_block + 1) {
iinfo->i_next_alloc_block++;
abort:
unlock_kernel();
return err;
-
-abort_negative:
- udf_warning(inode->i_sb, "udf_get_block", "block < 0");
- goto abort;
}
static struct buffer_head *udf_getblk(struct inode *inode, long block,
fe = (struct fileEntry *)bh->b_data;
if (fe->icbTag.strategyType == cpu_to_le16(4096)) {
- struct buffer_head *ibh = NULL, *nbh = NULL;
- struct indirectEntry *ie;
+ struct buffer_head *ibh;
ibh = udf_read_ptagged(inode->i_sb, iinfo->i_location, 1,
&ident);
- if (ident == TAG_IDENT_IE) {
- if (ibh) {
- kernel_lb_addr loc;
- ie = (struct indirectEntry *)ibh->b_data;
-
- loc = lelb_to_cpu(ie->indirectICB.extLocation);
-
- if (ie->indirectICB.extLength &&
- (nbh = udf_read_ptagged(inode->i_sb, loc, 0,
- &ident))) {
- if (ident == TAG_IDENT_FE ||
- ident == TAG_IDENT_EFE) {
- memcpy(&iinfo->i_location,
- &loc,
- sizeof(kernel_lb_addr));
- brelse(bh);
- brelse(ibh);
- brelse(nbh);
- __udf_read_inode(inode);
- return;
- } else {
- brelse(nbh);
- brelse(ibh);
- }
- } else {
+ if (ident == TAG_IDENT_IE && ibh) {
+ struct buffer_head *nbh = NULL;
+ kernel_lb_addr loc;
+ struct indirectEntry *ie;
+
+ ie = (struct indirectEntry *)ibh->b_data;
+ loc = lelb_to_cpu(ie->indirectICB.extLocation);
+
+ if (ie->indirectICB.extLength &&
+ (nbh = udf_read_ptagged(inode->i_sb, loc, 0,
+ &ident))) {
+ if (ident == TAG_IDENT_FE ||
+ ident == TAG_IDENT_EFE) {
+ memcpy(&iinfo->i_location,
+ &loc,
+ sizeof(kernel_lb_addr));
+ brelse(bh);
brelse(ibh);
+ brelse(nbh);
+ __udf_read_inode(inode);
+ return;
}
+ brelse(nbh);
}
- } else {
- brelse(ibh);
}
+ brelse(ibh);
} else if (fe->icbTag.strategyType != cpu_to_le16(4)) {
printk(KERN_ERR "udf: unsupported strategy type: %d\n",
le16_to_cpu(fe->icbTag.strategyType));
{
struct fileEntry *fe;
struct extendedFileEntry *efe;
- time_t convtime;
- long convtime_usec;
int offset;
struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
struct udf_inode_info *iinfo = UDF_I(inode);
inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
(inode->i_sb->s_blocksize_bits - 9);
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->accessTime))) {
- inode->i_atime.tv_sec = convtime;
- inode->i_atime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_atime, fe->accessTime))
inode->i_atime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->modificationTime))) {
- inode->i_mtime.tv_sec = convtime;
- inode->i_mtime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_mtime,
+ fe->modificationTime))
inode->i_mtime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->attrTime))) {
- inode->i_ctime.tv_sec = convtime;
- inode->i_ctime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_ctime, fe->attrTime))
inode->i_ctime = sbi->s_record_time;
- }
iinfo->i_unique = le64_to_cpu(fe->uniqueID);
iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr);
inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
(inode->i_sb->s_blocksize_bits - 9);
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->accessTime))) {
- inode->i_atime.tv_sec = convtime;
- inode->i_atime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_atime, efe->accessTime))
inode->i_atime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->modificationTime))) {
- inode->i_mtime.tv_sec = convtime;
- inode->i_mtime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_mtime,
+ efe->modificationTime))
inode->i_mtime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->createTime))) {
- iinfo->i_crtime.tv_sec = convtime;
- iinfo->i_crtime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&iinfo->i_crtime, efe->createTime))
iinfo->i_crtime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->attrTime))) {
- inode->i_ctime.tv_sec = convtime;
- inode->i_ctime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_ctime, efe->attrTime))
inode->i_ctime = sbi->s_record_time;
- }
iinfo->i_unique = le64_to_cpu(efe->uniqueID);
iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr);
return mode;
}
-/*
- * udf_write_inode
- *
- * PURPOSE
- * Write out the specified inode.
- *
- * DESCRIPTION
- * This routine is called whenever an inode is synced.
- * Currently this routine is just a placeholder.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
-
int udf_write_inode(struct inode *inode, int sync)
{
int ret;
uint32_t udfperms;
uint16_t icbflags;
uint16_t crclen;
- kernel_timestamp cpu_time;
int err = 0;
struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
(inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
(blocksize_bits - 9));
- if (udf_time_to_stamp(&cpu_time, inode->i_atime))
- fe->accessTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_mtime))
- fe->modificationTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_ctime))
- fe->attrTime = cpu_to_lets(cpu_time);
+ udf_time_to_disk_stamp(&fe->accessTime, inode->i_atime);
+ udf_time_to_disk_stamp(&fe->modificationTime, inode->i_mtime);
+ udf_time_to_disk_stamp(&fe->attrTime, inode->i_ctime);
memset(&(fe->impIdent), 0, sizeof(regid));
strcpy(fe->impIdent.ident, UDF_ID_DEVELOPER);
fe->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
iinfo->i_crtime.tv_nsec > inode->i_ctime.tv_nsec))
iinfo->i_crtime = inode->i_ctime;
- if (udf_time_to_stamp(&cpu_time, inode->i_atime))
- efe->accessTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_mtime))
- efe->modificationTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, iinfo->i_crtime))
- efe->createTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_ctime))
- efe->attrTime = cpu_to_lets(cpu_time);
+ udf_time_to_disk_stamp(&efe->accessTime, inode->i_atime);
+ udf_time_to_disk_stamp(&efe->modificationTime, inode->i_mtime);
+ udf_time_to_disk_stamp(&efe->createTime, iinfo->i_crtime);
+ udf_time_to_disk_stamp(&efe->attrTime, inode->i_ctime);
memset(&(efe->impIdent), 0, sizeof(regid));
strcpy(efe->impIdent.ident, UDF_ID_DEVELOPER);
if (epos->bh) {
aed = (struct allocExtDesc *)epos->bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(
- aed->lengthAllocDescs) + adsize);
+ le32_add_cpu(&aed->lengthAllocDescs, adsize);
} else {
iinfo->i_lenAlloc += adsize;
mark_inode_dirty(inode);
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)epos->bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) +
- adsize);
+ le32_add_cpu(&aed->lengthAllocDescs, adsize);
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
udf_update_tag(epos->bh->b_data,
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
- (2 * adsize));
+ le32_add_cpu(&aed->lengthAllocDescs, -(2 * adsize));
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
udf_update_tag(oepos.bh->b_data,
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
- adsize);
+ le32_add_cpu(&aed->lengthAllocDescs, -adsize);
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
udf_update_tag(oepos.bh->b_data,
int8_t etype;
struct udf_inode_info *iinfo;
- if (block < 0) {
- printk(KERN_ERR "udf: inode_bmap: block < 0\n");
- return -1;
- }
-
iinfo = UDF_I(inode);
pos->offset = 0;
pos->block = iinfo->i_location;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff