int __ext4_handle_dirty_metadata(const char *where, unsigned int line, handle_t *handle, struct inode *inode, struct buffer_head *bh) { int err = 0; might_sleep(); set_buffer_meta(bh); set_buffer_prio(bh); if (ext4_handle_valid(handle)) { err = jbd2_journal_dirty_metadata(handle, bh); /* Errors can only happen if there is a bug */ if (WARN_ON_ONCE(err)) { ext4_journal_abort_handle(where, line, __func__, bh, handle, err); if (inode == NULL) { pr_err("EXT4: jbd2_journal_dirty_metadata " "failed: handle type %u started at " "line %u, credits %u/%u, errcode %d", handle->h_type, handle->h_line_no, handle->h_requested_credits, handle->h_buffer_credits, err); return err; } ext4_error_inode(inode, where, line, bh->b_blocknr, "journal_dirty_metadata failed: " "handle type %u started at line %u, " "credits %u/%u, errcode %d", handle->h_type, handle->h_line_no, handle->h_requested_credits, handle->h_buffer_credits, err); } } else { if (inode) mark_buffer_dirty_inode(bh, inode); else mark_buffer_dirty(bh); if (inode && inode_needs_sync(inode)) { sync_dirty_buffer(bh); if (buffer_req(bh) && !buffer_uptodate(bh)) { struct ext4_super_block *es; es = EXT4_SB(inode->i_sb)->s_es; es->s_last_error_block = cpu_to_le64(bh->b_blocknr); ext4_error_inode(inode, where, line, bh->b_blocknr, "IO error syncing itable block"); err = -EIO; } } } return err; }
int __ext4_handle_dirty_metadata(const char *where, unsigned int line, handle_t *handle, struct inode *inode, struct buffer_head *bh) { int err = 0; might_sleep(); set_buffer_meta(bh); set_buffer_prio(bh); if (ext4_handle_valid(handle)) { err = jbd2_journal_dirty_metadata(handle, bh); /* Errors can only happen if there is a bug */ if (WARN_ON_ONCE(err)) { ext4_journal_abort_handle(where, line, __func__, bh, handle, err); } } else { if (inode) mark_buffer_dirty_inode(bh, inode); else mark_buffer_dirty(bh); if (inode && inode_needs_sync(inode)) { sync_dirty_buffer(bh); if (buffer_req(bh) && !buffer_uptodate(bh)) { struct ext4_super_block *es; es = EXT4_SB(inode->i_sb)->s_es; es->s_last_error_block = cpu_to_le64(bh->b_blocknr); ext4_error_inode(inode, where, line, bh->b_blocknr, "IO error syncing itable block"); err = -EIO; } } } return err; }