Convert udf to new aops. Also seem to have fixed pagecache corruption in udf_adinicb_commit_write -- page was marked uptodate when it is not. Also, fixed the silly setup where prepare_write was doing a kmap to be used in commit_write: just do kmap_atomic in write_end. Use libfs helpers to make this easier.
Cc: [EMAIL PROTECTED] Cc: Linux Filesystems <linux-fsdevel@vger.kernel.org> Signed-off-by: Nick Piggin <[EMAIL PROTECTED]> fs/udf/file.c | 32 +++++++++++++------------------- fs/udf/inode.c | 11 +++++++---- 2 files changed, 20 insertions(+), 23 deletions(-) Index: linux-2.6/fs/udf/file.c =================================================================== --- linux-2.6.orig/fs/udf/file.c +++ linux-2.6/fs/udf/file.c @@ -74,34 +74,28 @@ static int udf_adinicb_writepage(struct return 0; } -static int udf_adinicb_prepare_write(struct file *file, struct page *page, unsigned offset, unsigned to) +static int udf_adinicb_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { - kmap(page); - return 0; -} - -static int udf_adinicb_commit_write(struct file *file, struct page *page, unsigned offset, unsigned to) -{ - struct inode *inode = page->mapping->host; - char *kaddr = page_address(page); + struct inode *inode = mapping->host; + unsigned offset = pos & (PAGE_CACHE_SIZE - 1); + char *kaddr; + kaddr = kmap_atomic(page, KM_USER0); memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, - kaddr + offset, to - offset); - mark_inode_dirty(inode); - SetPageUptodate(page); - kunmap(page); - /* only one page here */ - if (to > inode->i_size) - inode->i_size = to; - return 0; + kaddr + offset, copied); + kunmap_atomic(kaddr, KM_USER0); + + return simple_write_end(file, mapping, pos, len, copied, page, fsdata); } const struct address_space_operations udf_adinicb_aops = { .readpage = udf_adinicb_readpage, .writepage = udf_adinicb_writepage, .sync_page = block_sync_page, - .prepare_write = udf_adinicb_prepare_write, - .commit_write = udf_adinicb_commit_write, + .write_begin = simple_write_begin, + .write_end = udf_adinicb_write_end, }; static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, Index: linux-2.6/fs/udf/inode.c =================================================================== --- linux-2.6.orig/fs/udf/inode.c +++ linux-2.6/fs/udf/inode.c @@ -123,9 +123,12 @@ static int udf_readpage(struct file *fil return block_read_full_page(page, udf_get_block); } -static int udf_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) +static int udf_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page, from, to, udf_get_block); + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + udf_get_block); } static sector_t udf_bmap(struct address_space *mapping, sector_t block) @@ -137,8 +140,8 @@ const struct address_space_operations ud .readpage = udf_readpage, .writepage = udf_writepage, .sync_page = block_sync_page, - .prepare_write = udf_prepare_write, - .commit_write = generic_commit_write, + .write_begin = udf_write_begin, + .write_end = generic_write_end, .bmap = udf_bmap, }; -- - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html