diff options
Diffstat (limited to 'fs/bfs/file.c')
| -rw-r--r-- | fs/bfs/file.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/fs/bfs/file.c b/fs/bfs/file.c index 88b9a3ff44e..e7f88ace1a2 100644 --- a/fs/bfs/file.c +++ b/fs/bfs/file.c @@ -23,10 +23,10 @@ const struct file_operations bfs_file_operations = { .llseek = generic_file_llseek, - .read = do_sync_read, - .aio_read = generic_file_aio_read, - .write = do_sync_write, - .aio_write = generic_file_aio_write, + .read = new_sync_read, + .read_iter = generic_file_read_iter, + .write = new_sync_write, + .write_iter = generic_file_write_iter, .mmap = generic_file_mmap, .splice_read = generic_file_splice_read, }; @@ -70,7 +70,6 @@ static int bfs_get_block(struct inode *inode, sector_t block, struct super_block *sb = inode->i_sb; struct bfs_sb_info *info = BFS_SB(sb); struct bfs_inode_info *bi = BFS_I(inode); - struct buffer_head *sbh = info->si_sbh; phys = bi->i_sblock + block; if (!create) { @@ -112,7 +111,6 @@ static int bfs_get_block(struct inode *inode, sector_t block, info->si_freeb -= phys - bi->i_eblock; info->si_lf_eblk = bi->i_eblock = phys; mark_inode_dirty(inode); - mark_buffer_dirty(sbh); err = 0; goto out; } @@ -147,7 +145,6 @@ static int bfs_get_block(struct inode *inode, sector_t block, */ info->si_freeb -= bi->i_eblock - bi->i_sblock + 1 - inode->i_blocks; mark_inode_dirty(inode); - mark_buffer_dirty(sbh); map_bh(bh_result, sb, phys); out: mutex_unlock(&info->bfs_lock); @@ -164,13 +161,26 @@ static int bfs_readpage(struct file *file, struct page *page) return block_read_full_page(page, bfs_get_block); } +static void bfs_write_failed(struct address_space *mapping, loff_t to) +{ + struct inode *inode = mapping->host; + + if (to > inode->i_size) + truncate_pagecache(inode, inode->i_size); +} + static int bfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { - *pagep = NULL; - return block_write_begin(file, mapping, pos, len, flags, - pagep, fsdata, bfs_get_block); + int ret; + + ret = block_write_begin(mapping, pos, len, flags, pagep, + bfs_get_block); + if (unlikely(ret)) + bfs_write_failed(mapping, pos + len); + + return ret; } static sector_t bfs_bmap(struct address_space *mapping, sector_t block) @@ -181,7 +191,6 @@ static sector_t bfs_bmap(struct address_space *mapping, sector_t block) const struct address_space_operations bfs_aops = { .readpage = bfs_readpage, .writepage = bfs_writepage, - .sync_page = block_sync_page, .write_begin = bfs_write_begin, .write_end = generic_write_end, .bmap = bfs_bmap, |