提交 9de90b76 编写于 作者: M marcin.slusarz@gmail.com 提交者: Jan Kara

udf: simple cleanup of truncate.c

- remove one indentation level by little code reorganization
- convert "if (smth) BUG();" to "BUG_ON(smth);"
Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: NJan Kara <jack@suse.cz>
上级 c8ed837d
......@@ -223,34 +223,29 @@ void udf_truncate_extents(struct inode *inode)
if (indirect_ext_len) {
/* We managed to free all extents in the
* indirect extent - free it too */
if (!epos.bh)
BUG();
BUG_ON(!epos.bh);
udf_free_blocks(sb, inode, epos.block,
0, indirect_ext_len);
} else if (!epos.bh) {
iinfo->i_lenAlloc = lenalloc;
mark_inode_dirty(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);
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;
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);
}
udf_update_tag(epos.bh->b_data,
len);
mark_buffer_dirty_inode(
epos.bh, inode);
}
brelse(epos.bh);
epos.offset = sizeof(struct allocExtDesc);
......@@ -271,28 +266,25 @@ void udf_truncate_extents(struct inode *inode)
}
if (indirect_ext_len) {
if (!epos.bh)
BUG();
BUG_ON(!epos.bh);
udf_free_blocks(sb, inode, epos.block, 0,
indirect_ext_len);
} else if (!epos.bh) {
iinfo->i_lenAlloc = lenalloc;
mark_inode_dirty(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);
}
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 if (inode->i_size) {
if (byte_offset) {
......
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