diff options
| -rw-r--r-- | fs/udf/truncate.c | 56 |
1 files changed, 23 insertions, 33 deletions
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index cde328f..65e19b4 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -179,6 +179,24 @@ void udf_discard_prealloc(struct inode *inode) brelse(epos.bh); } +static void udf_update_alloc_ext_desc(struct inode *inode, + struct extent_position *epos, + u32 lenalloc) +{ + struct super_block *sb = inode->i_sb; + struct udf_sb_info *sbi = UDF_SB(sb); + + struct allocExtDesc *aed = (struct allocExtDesc *) (epos->bh->b_data); + int len = sizeof(struct allocExtDesc); + + aed->lengthAllocDescs = cpu_to_le32(lenalloc); + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || sbi->s_udfrev >= 0x0201) + len += lenalloc; + + udf_update_tag(epos->bh->b_data, len); + mark_buffer_dirty_inode(epos->bh, inode); +} + void udf_truncate_extents(struct inode *inode) { struct extent_position epos; @@ -186,7 +204,6 @@ void udf_truncate_extents(struct inode *inode) uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc; int8_t etype; struct super_block *sb = inode->i_sb; - struct udf_sb_info *sbi = UDF_SB(sb); sector_t first_block = inode->i_size >> sb->s_blocksize_bits, offset; loff_t byte_offset; int adsize; @@ -229,24 +246,9 @@ void udf_truncate_extents(struct inode *inode) } else if (!epos.bh) { iinfo->i_lenAlloc = lenalloc; mark_inode_dirty(inode); - } else { - struct allocExtDesc *aed = - (struct allocExtDesc *) - (epos.bh->b_data); - int len = sizeof(struct allocExtDesc); - - aed->lengthAllocDescs = - cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(sb, - UDF_FLAG_STRICT) || - sbi->s_udfrev >= 0x0201) - len += lenalloc; - - udf_update_tag(epos.bh->b_data, - len); - mark_buffer_dirty_inode( - epos.bh, inode); - } + } else + udf_update_alloc_ext_desc(inode, + &epos, lenalloc); brelse(epos.bh); epos.offset = sizeof(struct allocExtDesc); epos.block = eloc; @@ -272,20 +274,8 @@ void udf_truncate_extents(struct inode *inode) } else if (!epos.bh) { iinfo->i_lenAlloc = lenalloc; mark_inode_dirty(inode); - } else { - struct allocExtDesc *aed = - (struct allocExtDesc *)(epos.bh->b_data); - aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || - sbi->s_udfrev >= 0x0201) - udf_update_tag(epos.bh->b_data, - lenalloc + - sizeof(struct allocExtDesc)); - else - udf_update_tag(epos.bh->b_data, - sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(epos.bh, inode); - } + } else + udf_update_alloc_ext_desc(inode, &epos, lenalloc); } else if (inode->i_size) { if (byte_offset) { kernel_long_ad extent; |