diff options
Diffstat (limited to 'fs/udf/misc.c')
| -rw-r--r-- | fs/udf/misc.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/fs/udf/misc.c b/fs/udf/misc.c index 2af4470..a1d6da0 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -51,17 +51,18 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, uint8_t *ea = NULL, *ad = NULL; int offset; uint16_t crclen; + struct udf_inode_info *iinfo = UDF_I(inode); - ea = UDF_I(inode)->i_ext.i_data; - if (UDF_I(inode)->i_lenEAttr) { - ad = UDF_I(inode)->i_ext.i_data + UDF_I(inode)->i_lenEAttr; + ea = iinfo->i_ext.i_data; + if (iinfo->i_lenEAttr) { + ad = iinfo->i_ext.i_data + iinfo->i_lenEAttr; } else { ad = ea; size += sizeof(struct extendedAttrHeaderDesc); } offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) - - UDF_I(inode)->i_lenAlloc; + iinfo->i_lenAlloc; /* TODO - Check for FreeEASpace */ @@ -69,21 +70,21 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, struct extendedAttrHeaderDesc *eahd; eahd = (struct extendedAttrHeaderDesc *)ea; - if (UDF_I(inode)->i_lenAlloc) - memmove(&ad[size], ad, UDF_I(inode)->i_lenAlloc); + if (iinfo->i_lenAlloc) + memmove(&ad[size], ad, iinfo->i_lenAlloc); - if (UDF_I(inode)->i_lenEAttr) { + if (iinfo->i_lenEAttr) { /* check checksum/crc */ if (eahd->descTag.tagIdent != cpu_to_le16(TAG_IDENT_EAHD) || le32_to_cpu(eahd->descTag.tagLocation) != - UDF_I(inode)->i_location.logicalBlockNum) + iinfo->i_location.logicalBlockNum) return NULL; } else { struct udf_sb_info *sbi = UDF_SB(inode->i_sb); size -= sizeof(struct extendedAttrHeaderDesc); - UDF_I(inode)->i_lenEAttr += + iinfo->i_lenEAttr += sizeof(struct extendedAttrHeaderDesc); eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD); if (sbi->s_udfrev >= 0x0200) @@ -93,15 +94,15 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, eahd->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number); eahd->descTag.tagLocation = cpu_to_le32( - UDF_I(inode)->i_location.logicalBlockNum); + iinfo->i_location.logicalBlockNum); eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF); eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF); } - offset = UDF_I(inode)->i_lenEAttr; + offset = iinfo->i_lenEAttr; if (type < 2048) { if (le32_to_cpu(eahd->appAttrLocation) < - UDF_I(inode)->i_lenEAttr) { + iinfo->i_lenEAttr) { uint32_t aal = le32_to_cpu(eahd->appAttrLocation); memmove(&ea[offset - aal + size], @@ -111,7 +112,7 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, cpu_to_le32(aal + size); } if (le32_to_cpu(eahd->impAttrLocation) < - UDF_I(inode)->i_lenEAttr) { + iinfo->i_lenEAttr) { uint32_t ial = le32_to_cpu(eahd->impAttrLocation); memmove(&ea[offset - ial + size], @@ -122,7 +123,7 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, } } else if (type < 65536) { if (le32_to_cpu(eahd->appAttrLocation) < - UDF_I(inode)->i_lenEAttr) { + iinfo->i_lenEAttr) { uint32_t aal = le32_to_cpu(eahd->appAttrLocation); memmove(&ea[offset - aal + size], @@ -138,7 +139,7 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd + sizeof(tag), crclen, 0)); eahd->descTag.tagChecksum = udf_tag_checksum(&eahd->descTag); - UDF_I(inode)->i_lenEAttr += size; + iinfo->i_lenEAttr += size; return (struct genericFormat *)&ea[offset]; } if (loc & 0x02) @@ -153,10 +154,11 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type, struct genericFormat *gaf; uint8_t *ea = NULL; uint32_t offset; + struct udf_inode_info *iinfo = UDF_I(inode); - ea = UDF_I(inode)->i_ext.i_data; + ea = iinfo->i_ext.i_data; - if (UDF_I(inode)->i_lenEAttr) { + if (iinfo->i_lenEAttr) { struct extendedAttrHeaderDesc *eahd; eahd = (struct extendedAttrHeaderDesc *)ea; @@ -164,7 +166,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type, if (eahd->descTag.tagIdent != cpu_to_le16(TAG_IDENT_EAHD) || le32_to_cpu(eahd->descTag.tagLocation) != - UDF_I(inode)->i_location.logicalBlockNum) + iinfo->i_location.logicalBlockNum) return NULL; if (type < 2048) @@ -174,7 +176,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type, else offset = le32_to_cpu(eahd->appAttrLocation); - while (offset < UDF_I(inode)->i_lenEAttr) { + while (offset < iinfo->i_lenEAttr) { gaf = (struct genericFormat *)&ea[offset]; if (le32_to_cpu(gaf->attrType) == type && gaf->attrSubtype == subtype) |