diff options
Diffstat (limited to 'fs/udf/file.c')
-rw-r--r-- | fs/udf/file.c | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/fs/udf/file.c b/fs/udf/file.c index 7c7a1b39d56..97c71ae7c68 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -45,12 +45,13 @@ static int udf_adinicb_readpage(struct file *file, struct page *page) { struct inode *inode = page->mapping->host; char *kaddr; + struct udf_inode_info *iinfo = UDF_I(inode); BUG_ON(!PageLocked(page)); kaddr = kmap(page); memset(kaddr, 0, PAGE_CACHE_SIZE); - memcpy(kaddr, UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), inode->i_size); + memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr, inode->i_size); flush_dcache_page(page); SetPageUptodate(page); kunmap(page); @@ -59,15 +60,17 @@ static int udf_adinicb_readpage(struct file *file, struct page *page) return 0; } -static int udf_adinicb_writepage(struct page *page, struct writeback_control *wbc) +static int udf_adinicb_writepage(struct page *page, + struct writeback_control *wbc) { struct inode *inode = page->mapping->host; char *kaddr; + struct udf_inode_info *iinfo = UDF_I(inode); BUG_ON(!PageLocked(page)); kaddr = kmap(page); - memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), kaddr, inode->i_size); + memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr, kaddr, inode->i_size); mark_inode_dirty(inode); SetPageUptodate(page); kunmap(page); @@ -84,9 +87,10 @@ static int udf_adinicb_write_end(struct file *file, struct inode *inode = mapping->host; unsigned offset = pos & (PAGE_CACHE_SIZE - 1); char *kaddr; + struct udf_inode_info *iinfo = UDF_I(inode); kaddr = kmap_atomic(page, KM_USER0); - memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, + memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr + offset, kaddr + offset, copied); kunmap_atomic(kaddr, KM_USER0); @@ -109,25 +113,27 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, struct inode *inode = file->f_path.dentry->d_inode; int err, pos; size_t count = iocb->ki_left; + struct udf_inode_info *iinfo = UDF_I(inode); - if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { if (file->f_flags & O_APPEND) pos = inode->i_size; else pos = ppos; - if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + + if (inode->i_sb->s_blocksize < + (udf_file_entry_alloc_offset(inode) + pos + count)) { udf_expand_file_adinicb(inode, pos + count, &err); - if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { udf_debug("udf_expand_adinicb: err=%d\n", err); return err; } } else { if (pos + count > inode->i_size) - UDF_I_LENALLOC(inode) = pos + count; + iinfo->i_lenAlloc = pos + count; else - UDF_I_LENALLOC(inode) = inode->i_size; + iinfo->i_lenAlloc = inode->i_size; } } @@ -191,23 +197,28 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, switch (cmd) { case UDF_GETVOLIDENT: - return copy_to_user((char __user *)arg, - UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0; + if (copy_to_user((char __user *)arg, + UDF_SB(inode->i_sb)->s_volume_ident, 32)) + return -EFAULT; + else + return 0; case UDF_RELOCATE_BLOCKS: if (!capable(CAP_SYS_ADMIN)) return -EACCES; if (get_user(old_block, (long __user *)arg)) return -EFAULT; - if ((result = udf_relocate_blocks(inode->i_sb, - old_block, &new_block)) == 0) + result = udf_relocate_blocks(inode->i_sb, + old_block, &new_block); + if (result == 0) result = put_user(new_block, (long __user *)arg); return result; case UDF_GETEASIZE: - result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg); + result = put_user(UDF_I(inode)->i_lenEAttr, (int __user *)arg); break; case UDF_GETEABLOCK: - result = copy_to_user((char __user *)arg, UDF_I_DATA(inode), - UDF_I_LENEATTR(inode)) ? -EFAULT : 0; + result = copy_to_user((char __user *)arg, + UDF_I(inode)->i_ext.i_data, + UDF_I(inode)->i_lenEAttr) ? -EFAULT : 0; break; } |